Notion AI vs. Slack AI: data protection per plan
Notion AI (4 plans) and Slack AI (4 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 | Notion AI | Slack AI |
|---|---|---|
| Provider based in | Notion Labs, Inc., 685 Market St., San Francisco, CA 94105, USA | San Francisco, CA, USA |
| Plans recorded | 4 | 4 |
| Hosting | US only: Free, Plus, BusinessEU option: Enterprise | US only: Free, Promixed: Business+, Enterprise+ |
| Training on inputs | no: all 4 plans | no: all 4 plans |
| DPA | not documented: Freeyes: Plus, Business, Enterprise | yes: all 4 plans |
| As of | 18 Oct 2026 | 18 Oct 2026 |
Plans compared
Comparing: Notion AI Plus vs. Slack AI Pro
| Feature | Notion AIPlus | Slack AIPro |
|---|---|---|
| yes | yes | |
| Details: DPA available | yes: The DPA (version effective from 2026-08-14) forms part of the Master Subscription Agreement (q8). According to the Personal Use Terms, the MSA applies only to use on behalf of an organisation or under a Plus, Business or Enterprise plan (q10). Provider’s DPA | yes (the Slack DPA page links, as "Data Processing Addendum Form", to the Salesforce Data Processing Addendum, Revision August 2026, pre-signed among others for Slack Technologies, LLC and Slack Technologies Limited; the customer signs it and sends it to Salesforce by email) Provider’s DPA |
| no | no | |
| Details: Training on inputs | Documentation does not differentiate by plan (see Free). Plus: Trial of Notion AI / limited free AI responses. | Documentation does not differentiate by plan: "Customer data is never used to train third-party LLMs." and "Your Customer Data (like messages and files) is never used to train any LLMs." |
| US only | US only | |
| Details: Data residency | Data Residency only for Enterprise; default: USA. | No choice of data region in Free/Pro: „If you’re using the free version of Slack or the Pro plan, you’ll need to upgrade to the Business+ plan first.“ According to Slack, data residency is only available in Business+ and Enterprise; without it, data is located in the USA („Existing user data will continue to reside in the United States“). |
| list available | list available | |
| Details: List published |
|
|
| differs by plan | Non-Enterprise: LLM providers at most 30… | Summaries and search answers ephemeral |
| Details: Data retention | Non-Enterprise: LLM providers at most 30 days; embeddings 60 days after deletion. | Summaries and search answers ephemeral (not stored); recaps stored for 90 days; LLMs "do not retain information once the request has been processed"; AI content saved in conversations/canvases follows the organisation's retention settings. |
| differs by plan | 9.50 EUR/user/mo… (further prices in the details) | 8.25 EUR/user/mo… (further prices in the details) |
| Details: Price | EUR 9.50 per member/month with annual billing (preselected on the pricing page: "annual billing" (translated label); as of 2026-10-18). With monthly billing (toggle "monthly billing" (translated label)), EUR 11.50 per member/month. No indication whether incl. VAT; AI only as a trial | EUR 8.25 per user/month with monthly payment or EUR 6.75 with annual payment (as of 2026-10-14, pricing page additionally names a 50 % discount for 3 months) |
| differs by plan | no | yes |
| Details: AI features included | no (only limited free trial responses) | yes (limited: summaries, huddle notes, automatic search filters; Slackbot only as a limited preview/trial) |
| 7 sources | 10 sources | |
| Details: Sources with retrieval date |
|
|
Contract / DPA
- Notion AI Plusyes
- Slack AI Proyes
- Notion AI Plus
yes: The DPA (version effective from 2026-08-14) forms part of the Master Subscription Agreement (q8). According to the Personal Use Terms, the MSA applies only to use on behalf of an organisation or under a Plus, Business or Enterprise plan (q10).
Provider’s DPASlack AI Proyes (the Slack DPA page links, as "Data Processing Addendum Form", to the Salesforce Data Processing Addendum, Revision August 2026, pre-signed among others for Slack Technologies, LLC and Slack Technologies Limited; the customer signs it and sends it to Salesforce by email)
Provider’s DPA
Training
- Notion AI Plusno
- Slack AI Prono
- Notion AI Plus
Documentation does not differentiate by plan (see Free). Plus: Trial of Notion AI / limited free AI responses.
Slack AI ProDocumentation does not differentiate by plan: "Customer data is never used to train third-party LLMs." and "Your Customer Data (like messages and files) is never used to train any LLMs."
Hosting
- Notion AI PlusUS only
- Slack AI ProUS only
- Notion AI Plus
Data Residency only for Enterprise; default: USA.
Slack AI ProNo choice of data region in Free/Pro: „If you’re using the free version of Slack or the Pro plan, you’ll need to upgrade to the Business+ plan first.“ According to Slack, data residency is only available in Business+ and Enterprise; without it, data is located in the USA („Existing user data will continue to reside in the United States“).
Sub-processors
- Notion AI Pluslist available
- Slack AI Prolist available
- Notion AI Plus
- Anthropic (AI agents, hosting of LLMs and embeddings, abuse prevention; Global)
- OpenAI (hosting LLMs/embeddings, abuse prevention; Global)
- Google LLC (hosting LLMs/embeddings, abuse prevention; Global)
- X.AI LLC (hosting LLMs/embeddings; USA, UK)
- Fireworks, Baseten Labs, Modal Labs (hosting LLMs/embeddings; Global)
- Cerebras Systems Inc. (hosting LLMs/embeddings; USA)
- Turbopuffer (vector database for embeddings; USA, Germany, Korea, Japan)
- Exa, Parallel Web Systems (web search; USA), Browserbase (web access for AI agents; USA, Spain), Vercel (code execution/agent actions; USA), Anysource/Runlayer (MCP security; USA)
- AssemblyAI (transcription; USA), DeepL (translation; USA)
- AWS (hosting and storage; USA, EU, Korea, Japan); further infrastructure, support and business sub-processors as per the list (q7, page states "Last updated": 2026-09-21)
Slack AI Pro- Amazon Web Services, Inc. (hosting incl. Slack AI, selectable data region incl. Germany, France, Sweden, Switzerland, UK; Amazon Chime for huddles; Amazon Transcribe for huddle/clip transcripts; CloudFront CDN)
- Microsoft Corporation (Microsoft Azure; "Provider of generative artificial intelligence services", location USA)
- SuSea, Inc. (dba You.com; web search for Slackbot, only if enabled by the customer; USA)
- Google LLC (hosting of email notifications; in the PDF layout a further line "Provider of generative artificial intelligence services" appears next to it, attribution unclear)
- Zendesk, Inc. (support tools; USA)
Retention
- differs by plan
- Notion AI PlusNon-Enterprise: LLM providers at most 30…
- Slack AI ProSummaries and search answers ephemeral
- Notion AI PlusNon-Enterprise: LLM providers at most 30 days; embeddings 60 days after deletion.Slack AI ProSummaries and search answers ephemeral (not stored); recaps stored for 90 days; LLMs "do not retain information once the request has been processed"; AI content saved in conversations/canvases follows the organisation's retention settings.
Price
- differs by plan
- Notion AI Plus9.50 EUR/user/mo… (further prices in the details)
- Slack AI Pro8.25 EUR/user/mo… (further prices in the details)
- Notion AI Plus
EUR 9.50 per member/month with annual billing (preselected on the pricing page: "annual billing" (translated label); as of 2026-10-18). With monthly billing (toggle "monthly billing" (translated label)), EUR 11.50 per member/month. No indication whether incl. VAT; AI only as a trial
Slack AI ProEUR 8.25 per user/month with monthly payment or EUR 6.75 with annual payment (as of 2026-10-14, pricing page additionally names a 50 % discount for 3 months)
- differs by plan
- Notion AI Plusno
- Slack AI Proyes
- Notion AI Plus
no (only limited free trial responses)
Slack AI Proyes (limited: summaries, huddle notes, automatic search filters; Slackbot only as a limited preview/trial)
Evidence
- Notion AI Plus7 sources
- Slack AI Pro10 sources
- Notion AI Plus
- Notion AI security & privacy practicesDocumentation, retrieved 14 Oct 2026
- Notion PricingPricing page, retrieved 18 Oct 2026
- Notion AI (Help Center)Documentation, retrieved 7 Oct 2026
- Notion's List of SubprocessorsSub-processor list, retrieved 18 Oct 2026
- Notion Data Processing Addendum (effective from 2026-08-14)DPA, retrieved 18 Oct 2026
- Notion Personal Use Terms of ServiceTerms and conditions, retrieved 18 Oct 2026
- Notion Privacy Policy (Last Updated: September 29, 2025)Privacy notice, retrieved 18 Oct 2026
Slack AI Pro- Security for AI features in SlackDocumentation, retrieved 18 Oct 2026
- Guide to AI features in SlackDocumentation, retrieved 18 Oct 2026
- Slack PricingPricing page, retrieved 18 Oct 2026
- Updates to feature availability and pricing for Slack plansDocumentation, retrieved 14 Oct 2026
- Slack Privacy Policy (Effective 2023-07-05)Privacy notice, retrieved 18 Oct 2026
- Salesforce Infrastructure and Sub-processors (Published 2026-10-02), section SlackSub-processor list, retrieved 14 Oct 2026
- Slack Help Center: Data residency for SlackHelp article, retrieved 18 Oct 2026
- Salesforce Data Processing Addendum (Revision August 2026), linked from the Slack DPA pageDPA, retrieved 18 Oct 2026
- Slack artificial intelligence, machine learning, and data usageDocumentation, retrieved 18 Oct 2026
- Slack AI PrinciplesDocumentation, retrieved 18 Oct 2026
| Feature | Notion AI | Slack AI |
|---|---|---|
| differs by tool |
| yesall 4 plans |
| Details: DPA available |
|
|
| noall 4 plans | noall 4 plans | |
| Details: Training on inputs |
|
|
| differs by tool |
|
|
| Details: Data residency |
|
|
| list availableall 4 plans | list availableall 4 plans | |
| Details: List published |
|
|
| differs by tool |
| Summaries and search answers ephemeralall 4 plans |
| Details: Data retention |
|
|
| differs by tool |
|
|
| Details: Price |
|
|
| differs by tool |
|
|
| Details: AI features included |
|
|
| 8 sources | 10 sources | |
| Details: Sources with retrieval date |
|
|
Contract / DPA
- differs by tool
- Notion AI
- not publicly documentedFree
- yesPlus, Business, Enterprise
- Slack AIyesall 4 plans
- Notion AI
- Free
not publicly documented for purely personal use: the Personal Use Terms (q10) "apply to personal use of the Services only" and contain no reference to a DPA. For use on behalf of an organisation, according to q10 the MSA applies, of which the DPA forms part (q8).
Provider’s DPA - Plus
yes: The DPA (version effective from 2026-08-14) forms part of the Master Subscription Agreement (q8). According to the Personal Use Terms, the MSA applies only to use on behalf of an organisation or under a Plus, Business or Enterprise plan (q10).
Provider’s DPA - Business
yes: The DPA (version effective from 2026-08-14) forms part of the Master Subscription Agreement (q8). According to the Personal Use Terms, the MSA applies only to use on behalf of an organisation or under a Plus, Business or Enterprise plan (q10).
Provider’s DPA - Enterprise
yes: The DPA (version effective from 2026-08-14) forms part of the Master Subscription Agreement (q8). According to the Personal Use Terms, the MSA applies only to use on behalf of an organisation or under a Plus, Business or Enterprise plan (q10).
Provider’s DPA
Slack AI- Free
yes (the Slack DPA page links, as "Data Processing Addendum Form", to the Salesforce Data Processing Addendum, Revision August 2026, pre-signed among others for Slack Technologies, LLC and Slack Technologies Limited; the customer signs it and sends it to Salesforce by email)
Provider’s DPA - Pro
yes (the Slack DPA page links, as "Data Processing Addendum Form", to the Salesforce Data Processing Addendum, Revision August 2026, pre-signed among others for Slack Technologies, LLC and Slack Technologies Limited; the customer signs it and sends it to Salesforce by email)
Provider’s DPA - Business+
yes (the Slack DPA page links, as "Data Processing Addendum Form", to the Salesforce Data Processing Addendum, Revision August 2026, pre-signed among others for Slack Technologies, LLC and Slack Technologies Limited; the customer signs it and sends it to Salesforce by email)
Provider’s DPA - Enterprise+
yes (the Slack DPA page links, as "Data Processing Addendum Form", to the Salesforce Data Processing Addendum, Revision August 2026, pre-signed among others for Slack Technologies, LLC and Slack Technologies Limited; the customer signs it and sends it to Salesforce by email)
Provider’s DPA
- Free
Training
- Notion AInoall 4 plans
- Slack AInoall 4 plans
- Notion AI
- Free
Documentation does not differentiate by plan: "By default, Notion and its AI Subprocessors do not use Customer Data to train any models." Free: limited free AI responses for trying it out (trial).
- Plus
Documentation does not differentiate by plan (see Free). Plus: Trial of Notion AI / limited free AI responses.
- Business
"Your use of Notion AI does not grant Notion any right or license to your Customer Data to train our machine learning models."
- Enterprise
As Business; additionally: "by default our LLM providers utilize zero data retention for Enterprise plan workspaces".
Slack AI- Free
Documentation does not differentiate by plan: "Customer data is never used to train third-party LLMs." and "Your Customer Data (like messages and files) is never used to train any LLMs."
- Pro
Documentation does not differentiate by plan: "Customer data is never used to train third-party LLMs." and "Your Customer Data (like messages and files) is never used to train any LLMs."
- Business+
Documentation does not differentiate by plan: "Customer data is never used to train third-party LLMs." and "Your Customer Data (like messages and files) is never used to train any LLMs."
- Enterprise+
Documentation does not differentiate by plan: "Customer data is never used to train third-party LLMs." and "Your Customer Data (like messages and files) is never used to train any LLMs."
- Free
Hosting
- differs by tool
- Notion AI
- US onlyFree, Plus, Business
- EU optionEnterprise
- Slack AI
- US onlyFree, Pro
- mixedBusiness+, Enterprise+
- Notion AI
- Free
Data Residency (EU) only for Enterprise; without migration, workspace data remains in the USA. LLM processing by sub-processors: location not stated in the documentation.
- Plus
Data Residency only for Enterprise; default: USA.
- Business
Data Residency only for Enterprise; default: USA.
- Enterprise
Data Residency free of charge for Enterprise (q3). European data region: EU-Central-1 (Frankfurt), backup region EU-West-1 (Ireland); in addition USA, Japan and Korea (Japan/Korea via the account team). The feature only changes the storage location of data at rest (page content, uploaded files, search index, messages and files generated by third parties/bots; backups in the same region). Not covered are Notion Calendar/Mail, beta services, integrations, account and usage data, and data processed by sub-processors. The LLM providers for Notion AI operate with Zero Data Retention on Enterprise (q3). Without migration, data remains in the USA (q3).
Slack AI- Free
No choice of data region in Free/Pro: „If you’re using the free version of Slack or the Pro plan, you’ll need to upgrade to the Business+ plan first.“ According to Slack, data residency is only available in Business+ and Enterprise; without it, data is located in the USA („Existing user data will continue to reside in the United States“).
- Pro
No choice of data region in Free/Pro: „If you’re using the free version of Slack or the Pro plan, you’ll need to upgrade to the Business+ plan first.“ According to Slack, data residency is only available in Business+ and Enterprise; without it, data is located in the USA („Existing user data will continue to reside in the United States“).
- Business+
Customers can choose a data region (Salesforce sub-processor documentation, Slack section, as of 2026-10-02: AWS incl. Germany, France, Sweden, Switzerland, UK); backups: Germany<->France, Sweden and Switzerland -> Germany; certain customer data may be stored outside the region; edge servers worldwide. Microsoft Azure with location USA is listed as generative AI provider for Slack. Slack help: third-party LLMs "hosted within our secure cloud infrastructure", data does not leave Slack-controlled infrastructure.
- Enterprise+
Customers can choose a data region (Salesforce sub-processor documentation, Slack section, as of 2026-10-02: AWS incl. Germany, France, Sweden, Switzerland, UK); backups: Germany<->France, Sweden and Switzerland -> Germany; certain customer data may be stored outside the region; edge servers worldwide. Microsoft Azure with location USA is listed as generative AI provider for Slack. Slack help: third-party LLMs "hosted within our secure cloud infrastructure", data does not leave Slack-controlled infrastructure.
- Free
Sub-processors
- Notion AIlist availableall 4 plans
- Slack AIlist availableall 4 plans
- Notion AI
- Free
- Anthropic (AI agents, hosting of LLMs and embeddings, abuse prevention; Global)
- OpenAI (hosting LLMs/embeddings, abuse prevention; Global)
- Google LLC (hosting LLMs/embeddings, abuse prevention; Global)
- X.AI LLC (hosting LLMs/embeddings; USA, UK)
- Fireworks, Baseten Labs, Modal Labs (hosting LLMs/embeddings; Global)
- Cerebras Systems Inc. (hosting LLMs/embeddings; USA)
- Turbopuffer (vector database for embeddings; USA, Germany, Korea, Japan)
- Exa, Parallel Web Systems (web search; USA), Browserbase (web access for AI agents; USA, Spain), Vercel (code execution/agent actions; USA), Anysource/Runlayer (MCP security; USA)
- AssemblyAI (transcription; USA), DeepL (translation; USA)
- AWS (hosting and storage; USA, EU, Korea, Japan); further infrastructure, support and business sub-processors as per the list (q7, page states "Last updated": 2026-09-21)
- Plus
- Anthropic (AI agents, hosting of LLMs and embeddings, abuse prevention; Global)
- OpenAI (hosting LLMs/embeddings, abuse prevention; Global)
- Google LLC (hosting LLMs/embeddings, abuse prevention; Global)
- X.AI LLC (hosting LLMs/embeddings; USA, UK)
- Fireworks, Baseten Labs, Modal Labs (hosting LLMs/embeddings; Global)
- Cerebras Systems Inc. (hosting LLMs/embeddings; USA)
- Turbopuffer (vector database for embeddings; USA, Germany, Korea, Japan)
- Exa, Parallel Web Systems (web search; USA), Browserbase (web access for AI agents; USA, Spain), Vercel (code execution/agent actions; USA), Anysource/Runlayer (MCP security; USA)
- AssemblyAI (transcription; USA), DeepL (translation; USA)
- AWS (hosting and storage; USA, EU, Korea, Japan); further infrastructure, support and business sub-processors as per the list (q7, page states "Last updated": 2026-09-21)
- Business
- Anthropic (AI agents, hosting of LLMs and embeddings, abuse prevention; Global)
- OpenAI (hosting LLMs/embeddings, abuse prevention; Global)
- Google LLC (hosting LLMs/embeddings, abuse prevention; Global)
- X.AI LLC (hosting LLMs/embeddings; USA, UK)
- Fireworks, Baseten Labs, Modal Labs (hosting LLMs/embeddings; Global)
- Cerebras Systems Inc. (hosting LLMs/embeddings; USA)
- Turbopuffer (vector database for embeddings; USA, Germany, Korea, Japan)
- Exa, Parallel Web Systems (web search; USA), Browserbase (web access for AI agents; USA, Spain), Vercel (code execution/agent actions; USA), Anysource/Runlayer (MCP security; USA)
- AssemblyAI (transcription; USA), DeepL (translation; USA)
- AWS (hosting and storage; USA, EU, Korea, Japan); further infrastructure, support and business sub-processors as per the list (q7, page states "Last updated": 2026-09-21)
- Enterprise
- Anthropic (AI agents, hosting of LLMs and embeddings, abuse prevention; Global)
- OpenAI (hosting LLMs/embeddings, abuse prevention; Global)
- Google LLC (hosting LLMs/embeddings, abuse prevention; Global)
- X.AI LLC (hosting LLMs/embeddings; USA, UK)
- Fireworks, Baseten Labs, Modal Labs (hosting LLMs/embeddings; Global)
- Cerebras Systems Inc. (hosting LLMs/embeddings; USA)
- Turbopuffer (vector database for embeddings; USA, Germany, Korea, Japan)
- Exa, Parallel Web Systems (web search; USA), Browserbase (web access for AI agents; USA, Spain), Vercel (code execution/agent actions; USA), Anysource/Runlayer (MCP security; USA)
- AssemblyAI (transcription; USA), DeepL (translation; USA)
- AWS (hosting and storage; USA, EU, Korea, Japan); further infrastructure, support and business sub-processors as per the list (q7, page states "Last updated": 2026-09-21)
Slack AI- Free
- Amazon Web Services, Inc. (hosting incl. Slack AI, selectable data region incl. Germany, France, Sweden, Switzerland, UK; Amazon Chime for huddles; Amazon Transcribe for huddle/clip transcripts; CloudFront CDN)
- Microsoft Corporation (Microsoft Azure; "Provider of generative artificial intelligence services", location USA)
- SuSea, Inc. (dba You.com; web search for Slackbot, only if enabled by the customer; USA)
- Google LLC (hosting of email notifications; in the PDF layout a further line "Provider of generative artificial intelligence services" appears next to it, attribution unclear)
- Zendesk, Inc. (support tools; USA)
- Pro
- Amazon Web Services, Inc. (hosting incl. Slack AI, selectable data region incl. Germany, France, Sweden, Switzerland, UK; Amazon Chime for huddles; Amazon Transcribe for huddle/clip transcripts; CloudFront CDN)
- Microsoft Corporation (Microsoft Azure; "Provider of generative artificial intelligence services", location USA)
- SuSea, Inc. (dba You.com; web search for Slackbot, only if enabled by the customer; USA)
- Google LLC (hosting of email notifications; in the PDF layout a further line "Provider of generative artificial intelligence services" appears next to it, attribution unclear)
- Zendesk, Inc. (support tools; USA)
- Business+
- Amazon Web Services, Inc. (hosting incl. Slack AI, selectable data region incl. Germany, France, Sweden, Switzerland, UK; Amazon Chime for huddles; Amazon Transcribe for huddle/clip transcripts; CloudFront CDN)
- Microsoft Corporation (Microsoft Azure; "Provider of generative artificial intelligence services", location USA)
- SuSea, Inc. (dba You.com; web search for Slackbot, only if enabled by the customer; USA)
- Google LLC (hosting of email notifications; in the PDF layout a further line "Provider of generative artificial intelligence services" appears next to it, attribution unclear)
- Zendesk, Inc. (support tools; USA)
- Enterprise+
- Amazon Web Services, Inc. (hosting incl. Slack AI, selectable data region incl. Germany, France, Sweden, Switzerland, UK; Amazon Chime for huddles; Amazon Transcribe for huddle/clip transcripts; CloudFront CDN)
- Microsoft Corporation (Microsoft Azure; "Provider of generative artificial intelligence services", location USA)
- SuSea, Inc. (dba You.com; web search for Slackbot, only if enabled by the customer; USA)
- Google LLC (hosting of email notifications; in the PDF layout a further line "Provider of generative artificial intelligence services" appears next to it, attribution unclear)
- Zendesk, Inc. (support tools; USA)
- Free
Retention
- differs by tool
- Notion AI
- Non-Enterprise: LLM providers retain…Free
- Non-Enterprise: LLM providers at most 30…Plus
- LLM providers at most 30 daysBusiness
- Zero Data Retention at LLM providersEnterprise
- Slack AISummaries and search answers ephemeralall 4 plans
- Notion AI
- FreeNon-Enterprise: LLM providers retain Customer Data for at most 30 days by default ("30 days or fewer"). Embeddings are deleted within 60 days of deletion of the page/workspace. Deleted content recoverable for 30 days.
- PlusNon-Enterprise: LLM providers at most 30 days; embeddings 60 days after deletion.
- BusinessLLM providers at most 30 days; data-retaining LLMs only after admin activation for specific features. Usage allowance plus Notion Credits for premium models.
- EnterpriseZero Data Retention at LLM providers (default); embeddings deleted 60 days after deletion.
Slack AI- FreeSummaries and search answers ephemeral (not stored); recaps stored for 90 days; LLMs "do not retain information once the request has been processed"; AI content saved in conversations/canvases follows the organisation's retention settings.
- ProSummaries and search answers ephemeral (not stored); recaps stored for 90 days; LLMs "do not retain information once the request has been processed"; AI content saved in conversations/canvases follows the organisation's retention settings.
- Business+Summaries and search answers ephemeral (not stored); recaps stored for 90 days; LLMs "do not retain information once the request has been processed"; AI content saved in conversations/canvases follows the organisation's retention settings.
- Enterprise+Summaries and search answers ephemeral (not stored); recaps stored for 90 days; LLMs "do not retain information once the request has been processed"; AI content saved in conversations/canvases follows the organisation's retention settings.
Price
- differs by tool
- Notion AI
- 0 EUR/user/moFree
- 9.50 EUR/user/mo… (further prices in the details)Plus
- 19.50 EUR/user/mo… (further prices in the details)Business
- not publicly documentedEnterprise
- Slack AI
- 0 EURFree
- 8.25 EUR/user/mo… (further prices in the details)Pro
- 18 EUR/user/mo… (further prices in the details)Business+
- 45 EUR/user/moEnterprise+
- Notion AI
- Free
EUR 0 per member/month (as of 2026-10-18); AI only as a trial
- Plus
EUR 9.50 per member/month with annual billing (preselected on the pricing page: "annual billing" (translated label); as of 2026-10-18). With monthly billing (toggle "monthly billing" (translated label)), EUR 11.50 per member/month. No indication whether incl. VAT; AI only as a trial
- Business
EUR 19.50 per member/month with annual billing (preselected on the pricing page: "annual billing" (translated label); as of 2026-10-18). With monthly billing (toggle "monthly billing" (translated label)), EUR 23.50 per member/month. No indication whether incl. VAT; Notion AI included (with usage allowance)
- Enterprise
not publicly documented (pricing page: "custom plans", "contact sales" (translated labels); as of 2026-10-18)
Slack AI- Free
EUR 0 ("free forever", as of 2026-10-14)
- Pro
EUR 8.25 per user/month with monthly payment or EUR 6.75 with annual payment (as of 2026-10-14, pricing page additionally names a 50 % discount for 3 months)
- Business+
EUR 18 per user/month with monthly payment or EUR 15 with annual payment (as of 2026-10-14)
- Enterprise+
EUR 45 per user/month with annual payment (as of 2026-10-14; contact sales)
- Free
- differs by tool
- Notion AI
- noFree, Plus
- yesBusiness, Enterprise
- Slack AI
- limitedFree
- yesPro, Business+, Enterprise+
- Notion AI
- Free
no (only limited free trial responses)
- Plus
no (only limited free trial responses)
- Business
yes
- Enterprise
yes
Slack AI- Free
limited (pricing page 2026-10-18: all AI features greyed out in the Free column and not included for Free in the comparison table; help article table without a Free column, footnote: "Slackbot may be available to preview in a limited capacity for workspaces on the free and Pro plans.")
- Pro
yes (limited: summaries, huddle notes, automatic search filters; Slackbot only as a limited preview/trial)
- Business+
yes (including search answers, recaps, file summaries, translations, workflow automation, canvas generation, Slackbot)
- Enterprise+
yes (all AI features incl. Enterprise Search)
- Free
Evidence
- Notion AI8 sources
- Slack AI10 sources
- Notion AI
- Notion AI security & privacy practicesDocumentation, retrieved 14 Oct 2026
- Notion PricingPricing page, retrieved 18 Oct 2026
- Data residency for NotionDocumentation, retrieved 14 Oct 2026
- Notion AI (Help Center)Documentation, retrieved 7 Oct 2026
- Notion's List of SubprocessorsSub-processor list, retrieved 18 Oct 2026
- Notion Data Processing Addendum (effective from 2026-08-14)DPA, retrieved 18 Oct 2026
- Notion Personal Use Terms of ServiceTerms and conditions, retrieved 18 Oct 2026
- Notion Privacy Policy (Last Updated: September 29, 2025)Privacy notice, retrieved 18 Oct 2026
Slack AI- Security for AI features in SlackDocumentation, retrieved 18 Oct 2026
- Guide to AI features in SlackDocumentation, retrieved 18 Oct 2026
- Slack PricingPricing page, retrieved 18 Oct 2026
- Updates to feature availability and pricing for Slack plansDocumentation, retrieved 14 Oct 2026
- Slack Privacy Policy (Effective 2023-07-05)Privacy notice, retrieved 18 Oct 2026
- Salesforce Infrastructure and Sub-processors (Published 2026-10-02), section SlackSub-processor list, retrieved 14 Oct 2026
- Slack Help Center: Data residency for SlackHelp article, retrieved 18 Oct 2026
- Salesforce Data Processing Addendum (Revision August 2026), linked from the Slack DPA pageDPA, retrieved 18 Oct 2026
- Slack artificial intelligence, machine learning, and data usageDocumentation, retrieved 18 Oct 2026
- Slack AI PrinciplesDocumentation, 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
Notion AI compared with
Slack AI compared with
Individual pages: Notion AI, Slack AI. All tools in the category: Office & collaboration.