Langdock vs. Perplexity: data protection per plan
Langdock (3 plans) and Perplexity (5 plans) side by side: DPA, training on inputs, hosting and data retention per plan, based on the providers’ public documents. Without rating.
Last updated: (latest review date of the tools shown)
At a glance
Each value is listed with the plans it applies to. Pick a tier to see only plans of that tier; if plans are chosen in the plan comparison below, the table shows exactly those.
All plans: each value is listed with the plans it applies to.
| Feature | Langdock | Perplexity |
|---|---|---|
| Provider based in | Langdock GmbH, Greifswalder Str. 212, 10405 Berlin, Germany | San Francisco, CA, USA: Perplexity AI, Inc., 2261 Market Street, Ste. 14441, San Francisco, CA 94114 |
| Plans recorded | 3 | 5 |
| Hosting | EU option: all 3 plans | not documented: all 5 plans |
| Training on inputs | no: all 3 plans | opt-out available: Free, Pro, Maxno: Enterprise Pro, Enterprise Max |
| DPA | yes: all 3 plans | no: Free, Pro, Maxyes: Enterprise Pro, Enterprise Max |
| As of | 18 Oct 2026 | 18 Oct 2026 |
Plans compared
Comparing: Langdock Trial vs. Perplexity Enterprise Pro
| Feature | LangdockTrial (7 days, free of charge) | PerplexityEnterprise Pro |
|---|---|---|
| yes | yes | |
| Details: DPA available | yes (public DPA, Version 2.1; according to the admin documentation 'part of our Terms of Service and automatically applies once you start using Langdock'; DORA addendum and professional secrecy addendum additionally listed in the Trust Center) Provider’s DPA | yes (DPA forms part of the Enterprise Terms by reference, section 5.1) Provider’s DPA |
| no | no | |
| Details: Training on inputs | Terms of use (version 2.1) section 9 (Customer Content): 'Langdock does not use Customer Content to develop, train or improve AI Models'; model providers are also contractually prohibited from using customer content. Security page: 'Customer data is never used to train or improve AI models'. Privacy policy (version 2.0) section 2g: 'Your data is not used for training AI models'. The documentation does not differentiate by plan. | Enterprise Terms section 1.3.3: Perplexity does not use Customer Content for training, retraining or fine-tuning and does not authorise third parties to do so either; DPA: "Personal Data will not be used for training of Perplexity's large language models." Help Center: zero data retention and zero training agreements with AI providers (OpenAI, Anthropic and others). |
| differs by plan | EU option | not publicly documented |
| Details: Data residency | Terms of use: customer data is held on servers in the EU (hosting in Frankfurt, EU Data Boundary activated for Azure). Customers can choose between models with processing and storage exclusively in the EU and models with 'global deployment' (inference also outside the EU); according to the terms and conditions, data at rest remains in the EU even with global models. Security page: multi-tenant SaaS on Microsoft Azure in the EU (default). | not publicly documented (Trust Center trust.perplexity.ai JS-rendered; Help Center pages on hosting 403) |
| list available | list available | |
| Details: List published |
|
|
| differs by plan | Admin documentation | Uploaded files: 7 days |
| Details: Data retention | Admin documentation (Workspace Settings, 'Data Retention'): admins define how long chats are stored ('7 days, 1 month, 3 months, 12 months, forever'); conversations not used within the selected period are deleted daily, 'including uploaded documents', irreversibly. A default value is not stated. DPA section 11: deletion of customer data no later than 30 days after the end of the contract, unless there is a statutory retention obligation; export possible during the term. Privacy policy: user account and associated data deleted on request or no later than 30 days after the end of the contract. Workflow runs: 30 days of data retention according to the pricing page. | Uploaded files: 7 days; Enterprise Pro from 50 seats or Enterprise Max: configurable session retention. DPA: deletion or return of personal data within 30 days of contract end; input stored until deleted by the user or at the latest 30 days after the end of the Services. |
| differs by plan | 0 EUR… (further prices in the details) | several tiers |
| Details: Price | 0 EUR for 7 days; 5 EUR AI model credit; no credit card required (pricing page, as of 2026-10-18) | USD 40 per seat/month or USD 400 per seat/year (Help Center, Last modified 2026-10-08, q14); pricing page, Enterprise tab: USD 34 per seat/month "when billed annually" (q3); for eligible educational institutions and non-profits USD 30 per seat/month or USD 300 per seat/year (q15). No indication whether VAT is included (as of 2026-10-18) |
| yes | yes | |
| Details: AI features included | yes (chat, agents; Workflows Starter with 2,500 runs/month included; Workflows Business, Governance and API as add-on packages) | yes (incl. Perplexity Computer) |
| 8 sources | 10 sources | |
| Details: Sources with retrieval date |
|
|
Contract / DPA
- Langdock Trialyes
- Perplexity Enterprise Proyes
- Langdock Trial
yes (public DPA, Version 2.1; according to the admin documentation 'part of our Terms of Service and automatically applies once you start using Langdock'; DORA addendum and professional secrecy addendum additionally listed in the Trust Center)
Provider’s DPAPerplexity Enterprise Proyes (DPA forms part of the Enterprise Terms by reference, section 5.1)
Provider’s DPA
Training
- Langdock Trialno
- Perplexity Enterprise Prono
- Langdock Trial
Terms of use (version 2.1) section 9 (Customer Content): 'Langdock does not use Customer Content to develop, train or improve AI Models'; model providers are also contractually prohibited from using customer content. Security page: 'Customer data is never used to train or improve AI models'. Privacy policy (version 2.0) section 2g: 'Your data is not used for training AI models'. The documentation does not differentiate by plan.
Perplexity Enterprise ProEnterprise Terms section 1.3.3: Perplexity does not use Customer Content for training, retraining or fine-tuning and does not authorise third parties to do so either; DPA: "Personal Data will not be used for training of Perplexity's large language models." Help Center: zero data retention and zero training agreements with AI providers (OpenAI, Anthropic and others).
Hosting
- differs by plan
- Langdock TrialEU option
- Perplexity Enterprise Pronot publicly documented
- Langdock Trial
Terms of use: customer data is held on servers in the EU (hosting in Frankfurt, EU Data Boundary activated for Azure). Customers can choose between models with processing and storage exclusively in the EU and models with 'global deployment' (inference also outside the EU); according to the terms and conditions, data at rest remains in the EU even with global models. Security page: multi-tenant SaaS on Microsoft Azure in the EU (default).
Perplexity Enterprise Pronot publicly documented (Trust Center trust.perplexity.ai JS-rendered; Help Center pages on hosting 403)
Sub-processors
- Langdock Triallist available
- Perplexity Enterprise Prolist available
- Langdock Trial
- Microsoft Ireland Operations Limited (Ireland): cloud infrastructure, platform hosting, AI models via Azure; processing in the EU
- Amazon Web Services EMEA SARL (Luxembourg): AI models via AWS, temporary sandboxes; processing in the EU
- Google Cloud EMEA Limited (Ireland): AI models via GCP, temporary sandboxes; processing in the EU
- OpenAI Ireland Limited (Ireland): AI models via OpenAI; processing in the EU
- Mistral AI SAS (France): AI models via Mistral; processing in the EU; Zero Data Retention activated (Trust Center update 2026-09-16)
- Functional Software Inc. (Sentry, USA): error logging; processing in the EU, transfer via DPF/SCCs
- Cloudflare Inc. (USA): protection against malicious traffic; processing in the EU, transfer via DPF/SCCs
- Only for actively selected models with 'global deployment': Microsoft (Azure; storage in the EU, inference also outside the EU incl. USA), AWS and Google Cloud (worldwide incl. USA), OpenAI Ireland (worldwide incl. USA, SCCs)
Perplexity Enterprise Pro- Model providers according to "Third-Party Models" (as of 2025-11-25): OpenAI (incl. Microsoft Azure OpenAI Service), Anthropic (incl. Google Vertex AI and AWS Bedrock), Meta (basis for Sonar, operated by Perplexity itself), xAI, Google (Gemini, Veo)
- full sub-processor list only in the Trust Center (trust.perplexity.ai, a JavaScript application; according to the Help Center the "sub-processor list" is also there, q16), not retrievable
Retention
- differs by plan
- Langdock TrialAdmin documentation
- Perplexity Enterprise ProUploaded files: 7 days
- Langdock TrialAdmin documentation (Workspace Settings, 'Data Retention'): admins define how long chats are stored ('7 days, 1 month, 3 months, 12 months, forever'); conversations not used within the selected period are deleted daily, 'including uploaded documents', irreversibly. A default value is not stated. DPA section 11: deletion of customer data no later than 30 days after the end of the contract, unless there is a statutory retention obligation; export possible during the term. Privacy policy: user account and associated data deleted on request or no later than 30 days after the end of the contract. Workflow runs: 30 days of data retention according to the pricing page.Perplexity Enterprise ProUploaded files: 7 days; Enterprise Pro from 50 seats or Enterprise Max: configurable session retention. DPA: deletion or return of personal data within 30 days of contract end; input stored until deleted by the user or at the latest 30 days after the end of the Services.
Price
- differs by plan
- Langdock Trial0 EUR… (further prices in the details)
- Perplexity Enterprise Proseveral tiers
- Langdock Trial
0 EUR for 7 days; 5 EUR AI model credit; no credit card required (pricing page, as of 2026-10-18)
Perplexity Enterprise ProUSD 40 per seat/month or USD 400 per seat/year (Help Center, Last modified 2026-10-08, q14); pricing page, Enterprise tab: USD 34 per seat/month "when billed annually" (q3); for eligible educational institutions and non-profits USD 30 per seat/month or USD 300 per seat/year (q15). No indication whether VAT is included (as of 2026-10-18)
- Langdock Trialyes
- Perplexity Enterprise Proyes
- Langdock Trial
yes (chat, agents; Workflows Starter with 2,500 runs/month included; Workflows Business, Governance and API as add-on packages)
Perplexity Enterprise Proyes (incl. Perplexity Computer)
Evidence
- Langdock Trial8 sources
- Perplexity Enterprise Pro10 sources
- Langdock Trial
- PricingPricing page, retrieved 18 Oct 2026
- SecurityTrust Center, retrieved 18 Oct 2026
- Data Processing Agreement (Version 2.1)DPA, retrieved 18 Oct 2026
- Terms of Use (Version 2.1)Terms and conditions, retrieved 18 Oct 2026
- Privacy Policy (Version 2.0)Privacy notice, retrieved 18 Oct 2026
- Langdock Trust Center (incl. Subprocessors, update 2026-09-16)Trust Center, retrieved 18 Oct 2026
- Langdock Docs – Workspace Settings (Data Retention)Documentation, retrieved 18 Oct 2026
- Langdock Docs – Useful Links (Legal & Compliance)Documentation, retrieved 18 Oct 2026
Perplexity Enterprise Pro- Data Collection at Perplexity (Help Center, Last modified 2026-08-31)Documentation, retrieved 18 Oct 2026
- Data retention and privacy for Enterprise organizationsDocumentation, retrieved 14 Oct 2026
- What is Enterprise Pro?Documentation, retrieved 18 Oct 2026
- Perplexity Data Processing Addendum (Last Updated 2026-08-13)DPA, retrieved 18 Oct 2026
- Perplexity Enterprise Terms and Conditions (Last Updated 2026-08-03)Terms and conditions, retrieved 18 Oct 2026
- Third-Party Models (Last updated 2025-11-25)Sub-processor list, retrieved 14 Oct 2026
- How long does Perplexity retain my search history, profile data, and personal information?Documentation, retrieved 14 Oct 2026
- Enterprise pricing and billing FAQ (Help Center, Last modified 2026-10-08)Pricing page, retrieved 18 Oct 2026
- Which Perplexity subscription plan is right for you? (Help Center, Last modified 2026-10-08)Documentation, retrieved 18 Oct 2026
- Getting started with FedRAMP 20x Secure Configuration (Help Center, Last modified 2026-10-13)Documentation, retrieved 18 Oct 2026
| Feature | Langdock | Perplexity |
|---|---|---|
| differs by tool | yesall 3 plans |
|
| Details: DPA available |
|
|
| differs by tool | noall 3 plans |
|
| Details: Training on inputs |
|
|
| differs by tool | EU optionall 3 plans | not publicly documentedall 5 plans |
| Details: Data residency |
|
|
| list availableall 3 plans | list availableall 5 plans | |
| Details: List published |
|
|
| differs by tool | Admin documentationall 3 plans |
|
| Details: Data retention |
|
|
| differs by tool |
|
|
| Details: Price |
|
|
| yesall 3 plans | yesall 5 plans | |
| Details: AI features included |
|
|
| 9 sources | 13 sources | |
| Details: Sources with retrieval date |
|
|
Contract / DPA
- differs by tool
- Langdockyesall 3 plans
- Perplexity
- noFree, Pro, Max
- yesEnterprise Pro, Enterprise Max
- Langdock
- Trial (7 days, free of charge)
yes (public DPA, Version 2.1; according to the admin documentation 'part of our Terms of Service and automatically applies once you start using Langdock'; DORA addendum and professional secrecy addendum additionally listed in the Trust Center)
Provider’s DPA - Business (Chat & Agents)
yes (public DPA, Version 2.1; according to the admin documentation 'part of our Terms of Service and automatically applies once you start using Langdock'; DORA addendum and professional secrecy addendum additionally listed in the Trust Center)
Provider’s DPA - Enterprise
yes (public DPA, Version 2.1; according to the admin documentation 'part of our Terms of Service and automatically applies once you start using Langdock'; DORA addendum and professional secrecy addendum additionally listed in the Trust Center)
Provider’s DPA
Perplexity- Free
no (according to its wording, the DPA applies only to business customers whose contract refers to it; consumer use under the Privacy Notice)
- Pro
no (according to its wording, the DPA applies only to business customers whose contract refers to it; consumer use under the Privacy Notice)
- Max
no (according to its wording, the DPA applies only to business customers whose contract refers to it; consumer use under the Privacy Notice)
- Enterprise Pro
yes (DPA forms part of the Enterprise Terms by reference, section 5.1)
Provider’s DPA - Enterprise Max
yes (DPA forms part of the Enterprise Terms by reference, section 5.1)
Provider’s DPA
- Trial (7 days, free of charge)
Training
- differs by tool
- Langdocknoall 3 plans
- Perplexity
- opt-out availableFree, Pro, Max
- noEnterprise Pro, Enterprise Max
- Langdock
- Trial (7 days, free of charge)
Terms of use (version 2.1) section 9 (Customer Content): 'Langdock does not use Customer Content to develop, train or improve AI Models'; model providers are also contractually prohibited from using customer content. Security page: 'Customer data is never used to train or improve AI models'. Privacy policy (version 2.0) section 2g: 'Your data is not used for training AI models'. The documentation does not differentiate by plan.
- Business (Chat & Agents)
Terms of use (version 2.1) section 9 (Customer Content): 'Langdock does not use Customer Content to develop, train or improve AI Models'; model providers are also contractually prohibited from using customer content. Security page: 'Customer data is never used to train or improve AI models'. Privacy policy (version 2.0) section 2g: 'Your data is not used for training AI models'. The documentation does not differentiate by plan.
- Enterprise
Terms of use (version 2.1) section 9 (Customer Content): 'Langdock does not use Customer Content to develop, train or improve AI Models'; model providers are also contractually prohibited from using customer content. Security page: 'Customer data is never used to train or improve AI models'. Privacy policy (version 2.0) section 2g: 'Your data is not used for training AI models'. The documentation does not differentiate by plan.
Perplexity- Free
"AI data retention" enabled by default; opt-out in Account Settings > Preferences. "Opt-outs only apply to data collected after the opt-out date." Training data already collected cannot be deleted (Help Center). According to the Help Center, this applies expressly to Free, Pro and Max: "For Free, Perplexity Pro and Perplexity Max users, AI Data Retention is enabled by default." (q1)
- Pro
"AI data retention" enabled by default; opt-out in Account Settings > Preferences. "Opt-outs only apply to data collected after the opt-out date." Training data already collected cannot be deleted (Help Center). According to the Help Center, this applies expressly to Free, Pro and Max: "For Free, Perplexity Pro and Perplexity Max users, AI Data Retention is enabled by default." (q1)
- Max
"AI data retention" enabled by default; opt-out in Account Settings > Preferences. "Opt-outs only apply to data collected after the opt-out date." Training data already collected cannot be deleted (Help Center). According to the Help Center, this applies expressly to Free, Pro and Max: "For Free, Perplexity Pro and Perplexity Max users, AI Data Retention is enabled by default." (q1)
- Enterprise Pro
Enterprise Terms section 1.3.3: Perplexity does not use Customer Content for training, retraining or fine-tuning and does not authorise third parties to do so either; DPA: "Personal Data will not be used for training of Perplexity's large language models." Help Center: zero data retention and zero training agreements with AI providers (OpenAI, Anthropic and others).
- Enterprise Max
As Enterprise Pro (Enterprise Terms section 1.3.3, DPA).
- Trial (7 days, free of charge)
Hosting
- differs by tool
- LangdockEU optionall 3 plans
- Perplexitynot publicly documentedall 5 plans
- Langdock
- Trial (7 days, free of charge)
Terms of use: customer data is held on servers in the EU (hosting in Frankfurt, EU Data Boundary activated for Azure). Customers can choose between models with processing and storage exclusively in the EU and models with 'global deployment' (inference also outside the EU); according to the terms and conditions, data at rest remains in the EU even with global models. Security page: multi-tenant SaaS on Microsoft Azure in the EU (default).
- Business (Chat & Agents)
Terms of use: customer data is held on servers in the EU (hosting in Frankfurt, EU Data Boundary activated for Azure). Customers can choose between models with processing and storage exclusively in the EU and models with 'global deployment' (inference also outside the EU); according to the terms and conditions, data at rest remains in the EU even with global models. Security page: multi-tenant SaaS on Microsoft Azure in the EU (default).
- Enterprise
Terms of use: customer data is held on servers in the EU (hosting in Frankfurt, EU Data Boundary activated for Azure). Customers can choose between models with processing and storage exclusively in the EU and models with 'global deployment' (inference also outside the EU); according to the terms and conditions, data at rest remains in the EU even with global models. Security page: multi-tenant SaaS on Microsoft Azure in the EU (default). Enterprise: single-tenant SaaS (from 2,000 seats), own cloud ('Bring your own cloud') and on-premises via Helm charts (each from 5,000 seats) according to the security page.
Perplexity- Free
not publicly documented (Trust Center trust.perplexity.ai JS-rendered; Help Center pages on hosting 403)
- Pro
not publicly documented (Trust Center trust.perplexity.ai JS-rendered; Help Center pages on hosting 403)
- Max
not publicly documented (Trust Center trust.perplexity.ai JS-rendered; Help Center pages on hosting 403)
- Enterprise Pro
not publicly documented (Trust Center trust.perplexity.ai JS-rendered; Help Center pages on hosting 403)
- Enterprise Max
not publicly documented (Trust Center trust.perplexity.ai JS-rendered; Help Center pages on hosting 403)
- Trial (7 days, free of charge)
Sub-processors
- Langdocklist availableall 3 plans
- Perplexitylist availableall 5 plans
- Langdock
- Trial (7 days, free of charge)
- Microsoft Ireland Operations Limited (Ireland): cloud infrastructure, platform hosting, AI models via Azure; processing in the EU
- Amazon Web Services EMEA SARL (Luxembourg): AI models via AWS, temporary sandboxes; processing in the EU
- Google Cloud EMEA Limited (Ireland): AI models via GCP, temporary sandboxes; processing in the EU
- OpenAI Ireland Limited (Ireland): AI models via OpenAI; processing in the EU
- Mistral AI SAS (France): AI models via Mistral; processing in the EU; Zero Data Retention activated (Trust Center update 2026-09-16)
- Functional Software Inc. (Sentry, USA): error logging; processing in the EU, transfer via DPF/SCCs
- Cloudflare Inc. (USA): protection against malicious traffic; processing in the EU, transfer via DPF/SCCs
- Only for actively selected models with 'global deployment': Microsoft (Azure; storage in the EU, inference also outside the EU incl. USA), AWS and Google Cloud (worldwide incl. USA), OpenAI Ireland (worldwide incl. USA, SCCs)
- Business (Chat & Agents)
- Microsoft Ireland Operations Limited (Ireland): cloud infrastructure, platform hosting, AI models via Azure; processing in the EU
- Amazon Web Services EMEA SARL (Luxembourg): AI models via AWS, temporary sandboxes; processing in the EU
- Google Cloud EMEA Limited (Ireland): AI models via GCP, temporary sandboxes; processing in the EU
- OpenAI Ireland Limited (Ireland): AI models via OpenAI; processing in the EU
- Mistral AI SAS (France): AI models via Mistral; processing in the EU; Zero Data Retention activated (Trust Center update 2026-09-16)
- Functional Software Inc. (Sentry, USA): error logging; processing in the EU, transfer via DPF/SCCs
- Cloudflare Inc. (USA): protection against malicious traffic; processing in the EU, transfer via DPF/SCCs
- Only for actively selected models with 'global deployment': Microsoft (Azure; storage in the EU, inference also outside the EU incl. USA), AWS and Google Cloud (worldwide incl. USA), OpenAI Ireland (worldwide incl. USA, SCCs)
- Enterprise
- Microsoft Ireland Operations Limited (Ireland): cloud infrastructure, platform hosting, AI models via Azure; processing in the EU
- Amazon Web Services EMEA SARL (Luxembourg): AI models via AWS, temporary sandboxes; processing in the EU
- Google Cloud EMEA Limited (Ireland): AI models via GCP, temporary sandboxes; processing in the EU
- OpenAI Ireland Limited (Ireland): AI models via OpenAI; processing in the EU
- Mistral AI SAS (France): AI models via Mistral; processing in the EU; Zero Data Retention activated (Trust Center update 2026-09-16)
- Functional Software Inc. (Sentry, USA): error logging; processing in the EU, transfer via DPF/SCCs
- Cloudflare Inc. (USA): protection against malicious traffic; processing in the EU, transfer via DPF/SCCs
- Only for actively selected models with 'global deployment': Microsoft (Azure; storage in the EU, inference also outside the EU incl. USA), AWS and Google Cloud (worldwide incl. USA), OpenAI Ireland (worldwide incl. USA, SCCs)
Perplexity- Free
- Model providers according to "Third-Party Models" (as of 2025-11-25): OpenAI (incl. Microsoft Azure OpenAI Service), Anthropic (incl. Google Vertex AI and AWS Bedrock), Meta (basis for Sonar, operated by Perplexity itself), xAI, Google (Gemini, Veo)
- full sub-processor list only in the Trust Center (trust.perplexity.ai, a JavaScript application; according to the Help Center the "sub-processor list" is also there, q16), not retrievable
- Pro
- Model providers according to "Third-Party Models" (as of 2025-11-25): OpenAI (incl. Microsoft Azure OpenAI Service), Anthropic (incl. Google Vertex AI and AWS Bedrock), Meta (basis for Sonar, operated by Perplexity itself), xAI, Google (Gemini, Veo)
- full sub-processor list only in the Trust Center (trust.perplexity.ai, a JavaScript application; according to the Help Center the "sub-processor list" is also there, q16), not retrievable
- Max
- Model providers according to "Third-Party Models" (as of 2025-11-25): OpenAI (incl. Microsoft Azure OpenAI Service), Anthropic (incl. Google Vertex AI and AWS Bedrock), Meta (basis for Sonar, operated by Perplexity itself), xAI, Google (Gemini, Veo)
- full sub-processor list only in the Trust Center (trust.perplexity.ai, a JavaScript application; according to the Help Center the "sub-processor list" is also there, q16), not retrievable
- Enterprise Pro
- Model providers according to "Third-Party Models" (as of 2025-11-25): OpenAI (incl. Microsoft Azure OpenAI Service), Anthropic (incl. Google Vertex AI and AWS Bedrock), Meta (basis for Sonar, operated by Perplexity itself), xAI, Google (Gemini, Veo)
- full sub-processor list only in the Trust Center (trust.perplexity.ai, a JavaScript application; according to the Help Center the "sub-processor list" is also there, q16), not retrievable
- Enterprise Max
- Model providers according to "Third-Party Models" (as of 2025-11-25): OpenAI (incl. Microsoft Azure OpenAI Service), Anthropic (incl. Google Vertex AI and AWS Bedrock), Meta (basis for Sonar, operated by Perplexity itself), xAI, Google (Gemini, Veo)
- full sub-processor list only in the Trust Center (trust.perplexity.ai, a JavaScript application; according to the Help Center the "sub-processor list" is also there, q16), not retrievable
- Trial (7 days, free of charge)
Retention
- differs by tool
- LangdockAdmin documentationall 3 plans
- Perplexity
- Consumer accounts: "We retain your…Free, Pro, Max
- Uploaded files: 7 daysEnterprise Pro, Enterprise Max
- Langdock
- Trial (7 days, free of charge)Admin documentation (Workspace Settings, 'Data Retention'): admins define how long chats are stored ('7 days, 1 month, 3 months, 12 months, forever'); conversations not used within the selected period are deleted daily, 'including uploaded documents', irreversibly. A default value is not stated. DPA section 11: deletion of customer data no later than 30 days after the end of the contract, unless there is a statutory retention obligation; export possible during the term. Privacy policy: user account and associated data deleted on request or no later than 30 days after the end of the contract. Workflow runs: 30 days of data retention according to the pricing page.
- Business (Chat & Agents)Admin documentation (Workspace Settings, 'Data Retention'): admins define how long chats are stored ('7 days, 1 month, 3 months, 12 months, forever'); conversations not used within the selected period are deleted daily, 'including uploaded documents', irreversibly. A default value is not stated. DPA section 11: deletion of customer data no later than 30 days after the end of the contract, unless there is a statutory retention obligation; export possible during the term. Privacy policy: user account and associated data deleted on request or no later than 30 days after the end of the contract. Workflow runs: 30 days of data retention according to the pricing page.
- EnterpriseAdmin documentation (Workspace Settings, 'Data Retention'): admins define how long chats are stored ('7 days, 1 month, 3 months, 12 months, forever'); conversations not used within the selected period are deleted daily, 'including uploaded documents', irreversibly. A default value is not stated. DPA section 11: deletion of customer data no later than 30 days after the end of the contract, unless there is a statutory retention obligation; export possible during the term. Privacy policy: user account and associated data deleted on request or no later than 30 days after the end of the contract. Workflow runs: 30 days of data retention according to the pricing page.
Perplexity- FreeConsumer accounts: "We retain your personal information as long as your account is active"; after account deletion, removal within 30 days (Help Center). Training opt-out applies only to data from the opt-out date.
- ProConsumer accounts: "We retain your personal information as long as your account is active"; after account deletion, removal within 30 days (Help Center). Training opt-out applies only to data from the opt-out date.
- MaxConsumer accounts: "We retain your personal information as long as your account is active"; after account deletion, removal within 30 days (Help Center). Training opt-out applies only to data from the opt-out date.
- Enterprise ProUploaded files: 7 days; Enterprise Pro from 50 seats or Enterprise Max: configurable session retention. DPA: deletion or return of personal data within 30 days of contract end; input stored until deleted by the user or at the latest 30 days after the end of the Services.
- Enterprise MaxUploaded files: 7 days; Enterprise Pro from 50 seats or Enterprise Max: configurable session retention. DPA: deletion or return of personal data within 30 days of contract end; input stored until deleted by the user or at the latest 30 days after the end of the Services.
Price
- differs by tool
- Langdock
- 0 EUR… (further prices in the details)Trial (7 days, free of charge)
- Pricing pageBusiness (Chat & Agents)
- customEnterprise
- Perplexity
- 0 USD/moFree
- 17 USD/mo… (further prices in the details)Pro
- 167 USD/moMax
- several tiersEnterprise Pro
- 325 USD/user/mo… (further prices in the details)Enterprise Max
- Langdock
- Trial (7 days, free of charge)
0 EUR for 7 days; 5 EUR AI model credit; no credit card required (pricing page, as of 2026-10-18)
- Business (Chat & Agents)
Pricing page (as of 2026-10-18, AI Models Included, prices excl. VAT per user/month): Standard seat EUR 29.00 with monthly or EUR 23.20 with annual billing for the first 50 seats; tiers for further seats EUR 24/19/16 (monthly) or EUR 19.20/15.20/12.80 (annual). Business Max seat ('5x more usage than Standard seat') EUR 119.00 monthly or EUR 99.00 annually. Business up to 1,000 users. Add-on packages: Workflows Starter (2,500 runs/month) included in Chat & Agents; Workflows Business (40,000 runs) EUR 539 monthly or EUR 449 annually per workspace/month, higher volumes 'Custom'; Governance EUR 3.50 monthly or EUR 2.80 annually per user/month, free of charge until 2027-01-01; API by token (all excl. VAT). The pricing page calculates the displayed seat price dynamically according to the number of users, billing type and 'AI Models Included/Not included'; values apply to the default display (AI Models Included).
- Enterprise
Custom ('Custom', 'Flexible pricing. Contact us.'); from 1,000+ users; according to the admin documentation, dedicated deployment (on-premise/private cloud) from 5,000 users (pricing page and admin documentation 'Pricing', as of 2026-10-18)
Perplexity- Free
USD 0/month (as of 2026-10-14)
- Pro
USD 17/month with annual payment (pricing page, as of 2026-10-18); a monthly price is shown neither on the pricing page nor in the Help Center article "What is Perplexity Pro?" (check on 2026-10-07: USD 20/month)
- Max
USD 167/month with annual payment (pricing page, as of 2026-10-18); according to the Help Center "$200/monthly or $2000/annually", annual billing only in the web app (q13)
- Enterprise Pro
USD 40 per seat/month or USD 400 per seat/year (Help Center, Last modified 2026-10-08, q14); pricing page, Enterprise tab: USD 34 per seat/month "when billed annually" (q3); for eligible educational institutions and non-profits USD 30 per seat/month or USD 300 per seat/year (q15). No indication whether VAT is included (as of 2026-10-18)
- Enterprise Max
USD 325 per seat/month or USD 3,250 per seat/year (Help Center, Last modified 2026-10-08, q14); pricing page, Enterprise tab: USD 271 per seat/month "when billed annually" (q3). No indication whether VAT is included; additional security and governance features "Custom pricing" according to the pricing page (as of 2026-10-18)
- Trial (7 days, free of charge)
- Langdockyesall 3 plans
- Perplexityyesall 5 plans
- Langdock
- Trial (7 days, free of charge)
yes (chat, agents; Workflows Starter with 2,500 runs/month included; Workflows Business, Governance and API as add-on packages)
- Business (Chat & Agents)
yes (chat, agents; Workflows Starter with 2,500 runs/month included; Workflows Business, Governance and API as add-on packages)
- Enterprise
yes (chat, agents; Workflows Starter with 2,500 runs/month included; Workflows Business, Governance and API as add-on packages); dedicated deployment available
Perplexity- Free
yes (limited: search, basic models, limited weekly usage)
- Pro
yes
- Max
yes
- Enterprise Pro
yes (incl. Perplexity Computer)
- Enterprise Max
yes (highest model and usage tier)
- Trial (7 days, free of charge)
Evidence
- Langdock9 sources
- Perplexity13 sources
- Langdock
- PricingPricing page, retrieved 18 Oct 2026
- SecurityTrust Center, retrieved 18 Oct 2026
- Data Processing Agreement (Version 2.1)DPA, retrieved 18 Oct 2026
- Terms of Use (Version 2.1)Terms and conditions, retrieved 18 Oct 2026
- Privacy Policy (Version 2.0)Privacy notice, retrieved 18 Oct 2026
- Langdock Trust Center (incl. Subprocessors, update 2026-09-16)Trust Center, retrieved 18 Oct 2026
- Langdock Docs – Workspace Settings (Data Retention)Documentation, retrieved 18 Oct 2026
- Langdock Docs – Useful Links (Legal & Compliance)Documentation, retrieved 18 Oct 2026
- Langdock Docs – PricingPricing page, retrieved 18 Oct 2026
Perplexity- Data Collection at Perplexity (Help Center, Last modified 2026-08-31)Documentation, retrieved 18 Oct 2026
- Perplexity Privacy Notice (Last updated 2026-07-08)Privacy notice, retrieved 18 Oct 2026
- Perplexity Pricing (Pro/Max annual prices; Enterprise tab without price)Pricing page, retrieved 18 Oct 2026
- Data retention and privacy for Enterprise organizationsDocumentation, retrieved 14 Oct 2026
- What is Enterprise Pro?Documentation, retrieved 18 Oct 2026
- Perplexity Data Processing Addendum (Last Updated 2026-08-13)DPA, retrieved 18 Oct 2026
- Perplexity Enterprise Terms and Conditions (Last Updated 2026-08-03)Terms and conditions, retrieved 18 Oct 2026
- Third-Party Models (Last updated 2025-11-25)Sub-processor list, retrieved 14 Oct 2026
- How long does Perplexity retain my search history, profile data, and personal information?Documentation, retrieved 14 Oct 2026
- Perplexity Max (Help Center, Last modified 2026-09-14)Documentation, retrieved 18 Oct 2026
- Enterprise pricing and billing FAQ (Help Center, Last modified 2026-10-08)Pricing page, retrieved 18 Oct 2026
- Which Perplexity subscription plan is right for you? (Help Center, Last modified 2026-10-08)Documentation, retrieved 18 Oct 2026
- Getting started with FedRAMP 20x Secure Configuration (Help Center, Last modified 2026-10-13)Documentation, retrieved 18 Oct 2026
not documentedmeans: not publicly documented, not verifiable in any provider source. It does not mean “no”.
No guarantee of accuracy, not legal advice. Each entry is valid as of the date shown. Open points are listed on the detail pages.
More comparisons
Langdock compared with
Individual pages: Langdock, Perplexity. All tools in the category: AI assistants & search.