STACKIT AI
STACKIT AI (Model Serving)
Provider: Schwarz Digits Cloud GmbH & Co. KG · Based in: Schwarz Digits Cloud GmbH & Co. KG, Am Campus 1, 74177 Bad Friedrichshall, Germ… · Provider website
- Plan
- 1
- Sources
- 11
- As of
- 18 Oct
As of 18 Oct 2026. Based on our research on this date and the process described in the methodology. No guarantee of accuracy, not legal advice. The provider’s current documents take precedence. Found an error? Report a correction.
Incomplete. 5 points could not be verified in any provider source (see open points). This does not mean the matter is unproblematic; it means we have not checked it.
At a glance
- Hosting
- EU option: AI Model Serving
- Training on inputs
- no: AI Model Serving
- DPA
- yes: AI Model Serving
- Provider
- Schwarz Digits Cloud GmbH & Co. KG (STACKIT)
- Based in
- Schwarz Digits Cloud GmbH & Co. KG, Am Campus 1, 74177 Bad Friedrichshall, Germany; Local Court (Amtsgericht) Stuttgart, HRA 741347; represented by STACKIT Beteiligungs-GmbH, Neckarsulm (q10)
Values from 1 plan, each listed with the plans it applies to. Details and evidence are in the plan table.
Compare STACKIT AI
Compare with another toolCompared plan by plan with other tools in the category Software development:
Details per plan
Short values per plan. Click a feature to open the evidence and notes for all plans; sources with retrieval dates are under “Evidence”.
| Feature | AI Model Serving (usage-based)Compare STACKIT AI AI Model Serving (usage-based) with another tool |
|---|---|
| per token | |
| Details: Price | Usage-based per 1 million tokens, region EU01 (product page, as of 2026-10-18; net prices according to terms of use section 11.3), input/output: gpt-oss 20b EUR 0.15/0.25; Gemma 4 31b, gpt-oss 120b, Llama 3.3 70B Instruct FP8, Qwen3-VL 235B (Plus) and Qwen3.8 27B EUR 0.45/0.65 each; Qwen3-VL 235B A22B (Premium) EUR 1.50/1.75. Embeddings (input only): e5 mistral 7b EUR 0.02; Qwen3 VL Embedding 8B EUR 0.08. Free trial access for 30 days after manual review of the registration (no permanently free plan). |
| yes | |
| Details: AI features included | yes (chat and embedding models as shared instances via an OpenAI-compatible REST API with API key; including Qwen3-VL 235B, Qwen3.8 27B, Llama 3.3 70B, gpt-oss 120b/20b, Gemma 4 31b; tool calling, image input for some models; open-source RAG template) |
| yes | |
| Details: DPA | yes (data processing agreement STACKIT Cloud Services, version 2.4.2, under Art. 28 GDPR; applies to all STACKIT Cloud Services booked under the terms of use, no product-specific annex for AI Model Serving) Provider’s DPA |
| no | |
| Details: Training on inputs | Product page: 'your data and queries are neither stored nor used to train models' (translated). Documentation FAQ: 'We do not train any models using your data.' Service specification: apart from billing-relevant data, 'no customer data whatsoever is collected or analysed' (translated). DPA section 2.3: usage data (not content) is processed, among other things, to optimise and further develop the services and is anonymised; STACKIT may use anonymised usage data for its own purposes. |
| Service specification | |
| Details: Data retention | Service specification (annex on exportability): customer data is not stored permanently, no backup of requests; e-mail and subject ID are stored temporarily (30 days) in the service logs; changes to authentication tokens are recorded in the STACKIT audit log (retention period not quantified there). Documentation FAQ: 'We do not store any customer data from the requests.' DPA section 10.1: deletion of customer data after the end of the contract, deletion record on request. |
| EU option | |
| Details: Hosting | Models run in region EU01 (price table and model documentation, API endpoint '...model-serving.eu01.onstackit.cloud'). Service description section 1.2: operation in STACKIT data centres in Germany and Austria (possibly further EU states in future). DPA section 2.5: processing within the EU/EEA; outside only where expressly agreed and Art. 44–49 GDPR are met. |
| list available | |
| Details: Sub-processors |
|
| 9 sources | |
| Details: Sources with retrieval date |
|
Compare STACKIT AI AI Model Serving (usage-based) with another tool
Price and scope
- per token
Usage-based per 1 million tokens, region EU01 (product page, as of 2026-10-18; net prices according to terms of use section 11.3), input/output: gpt-oss 20b EUR 0.15/0.25; Gemma 4 31b, gpt-oss 120b, Llama 3.3 70B Instruct FP8, Qwen3-VL 235B (Plus) and Qwen3.8 27B EUR 0.45/0.65 each; Qwen3-VL 235B A22B (Premium) EUR 1.50/1.75. Embeddings (input only): e5 mistral 7b EUR 0.02; Qwen3 VL Embedding 8B EUR 0.08. Free trial access for 30 days after manual review of the registration (no permanently free plan).
- yes
yes (chat and embedding models as shared instances via an OpenAI-compatible REST API with API key; including Qwen3-VL 235B, Qwen3.8 27B, Llama 3.3 70B, gpt-oss 120b/20b, Gemma 4 31b; tool calling, image input for some models; open-source RAG template)
Contract and data use
- yes
yes (data processing agreement STACKIT Cloud Services, version 2.4.2, under Art. 28 GDPR; applies to all STACKIT Cloud Services booked under the terms of use, no product-specific annex for AI Model Serving)
Provider’s DPA- no
Product page: 'your data and queries are neither stored nor used to train models' (translated). Documentation FAQ: 'We do not train any models using your data.' Service specification: apart from billing-relevant data, 'no customer data whatsoever is collected or analysed' (translated). DPA section 2.3: usage data (not content) is processed, among other things, to optimise and further develop the services and is anonymised; STACKIT may use anonymised usage data for its own purposes.
- Service specification
- Service specification (annex on exportability): customer data is not stored permanently, no backup of requests; e-mail and subject ID are stored temporarily (30 days) in the service logs; changes to authentication tokens are recorded in the STACKIT audit log (retention period not quantified there). Documentation FAQ: 'We do not store any customer data from the requests.' DPA section 10.1: deletion of customer data after the end of the contract, deletion record on request.
Hosting and sharing
- EU option
Models run in region EU01 (price table and model documentation, API endpoint '...model-serving.eu01.onstackit.cloud'). Service description section 1.2: operation in STACKIT data centres in Germany and Austria (possibly further EU states in future). DPA section 2.5: processing within the EU/EEA; outside only where expressly agreed and Art. 44–49 GDPR are met.
- list available
- DPA Annex 2 (version 2.4.2), development, operations and consulting support for STACKIT Cloud Services as a whole: Anynines GmbH (DE), CGI Deutschland B.V. & Co. KG (DE), Cloud&Heat Technologies GmbH (DE), Exivity BV (NL), Freiheit.com Technologies GmbH (DE), Inovex GmbH (DE), ISD Feniqs GmbH (DE), Nextevolution GmbH (DE), Rewion GmbH (DE), Schwarz Digits Bulgaria EOOD (BG), Schwarz Digits IT KG (DE), Schwarz Digits Romania S.C.S. (RO), Schwarz IT S.L.U. (ES), SOCIAL BIGDATA COMUNICACION SL (ES)
- Which of these processors are actually used for AI Model Serving is not publicly documented; according to the documentation the model developers are only the source of the models (Hugging Face) and are not named as processors
Evidence
- 9 sources
- STACKIT AI Model Serving (product page with price table)Product page, retrieved 18 Oct 2026
- Service specification STACKIT AI Model Serving, version 1.3, valid from 18 September 2025Service description, retrieved 18 Oct 2026
- Service specification STACKIT AI Model Serving, version 1.4, valid from 6 November 2026Service description, retrieved 18 Oct 2026
- Data processing agreement STACKIT Cloud Services, version 2.4.2DPA, retrieved 18 Oct 2026
- Terms of use STACKIT Cloud, version 1.3.2, valid from 4 May 2026Terms and conditions, retrieved 18 Oct 2026
- Service description STACKIT Cloud, version 1.4, valid from 4 May 2026Service description, retrieved 18 Oct 2026
- AI Model Serving – FAQDocumentation, retrieved 18 Oct 2026
- AI Model Serving – Service descriptionDocumentation, retrieved 18 Oct 2026
- Available Shared Models of STACKIT AI Model ServingDocumentation, retrieved 18 Oct 2026
not documentedmeans: not publicly documented, not verifiable in any provider source. It does not mean “no”.
Third-country transfers
DPA section 2.5: processing within the EU or an EEA contracting state; outside the EEA only where expressly agreed (e.g. in the service specification), where necessary and where Art. 44–48 GDPR are met or an exception under Art. 49 applies; for further processors in third countries, standard contractual clauses (SCCs) Module Three (section 7.5). The AI Model Serving service specification contains no such agreement. All further processors listed in Annex 2 are based in EU member states (DE, NL, BG, RO, ES).
- Service specification STACKIT AI Model Serving, version 1.3, valid from 18 September 2025 (Service description), retrieved 18 Oct 2026
- Data processing agreement STACKIT Cloud Services, version 2.4.2 (DPA), retrieved 18 Oct 2026
- Service description STACKIT Cloud, version 1.4, valid from 4 May 2026 (Service description), retrieved 18 Oct 2026
Certifications (as stated by the provider)
Certificates page: STACKIT AI Model Serving is listed among the 'C5 testierte Cloud-Produkte' (translated: C5-attested cloud products; BSI C5 Type 2); attestations on request; according to the page the report additionally covers ISAE 3000 (SOC 2) and ISAE 3402. In addition ISMS according to ISO/IEC 27001, 27017 and 27018, ISO 27001 on the basis of IT-Grundschutz (scope according to the page only Compute Engine, Network & Security, Block and Object Storage), TISAX Level 3, ISO 20000, ISO 22301, ISO 50001. Audit period of the C5 attestation not publicly documented.
- Certificates (Security page), retrieved 18 Oct 2026
AI Act
Functions: Provision of chat and embedding models (open-source/open-weight) as shared instances via an OpenAI-compatible API, including for text generation, summarisation, chatbots, RAG, code and image understanding; token management via the product API (product page, documentation).
Provider’s statement: not publicly documented(no product-specific role allocation under the AI Act found). Terms of use section 9: AI applications based on STACKIT Cloud Services must not be used for prohibited practices under Art. 5 of Regulation (EU) 2024/1689. Service specification: the customer must comply with applicable legal provisions for AI applications it creates and observe the model licence terms.
Classification (for review, not legal advice): For review: customer typically deployer (Art. 3(4) AI Act), where integrated into own products via the API possibly provider of its own AI system; observe the AI literacy obligation under Art. 4. STACKIT has not published its own role allocation; the contractual prohibition of prohibited practices (Art. 5) must be observed. Not legal advice.
- STACKIT AI Model Serving (product page with price table) (Product page), retrieved 18 Oct 2026
- Service specification STACKIT AI Model Serving, version 1.3, valid from 18 September 2025 (Service description), retrieved 18 Oct 2026
- Terms of use STACKIT Cloud, version 1.3.2, valid from 4 May 2026 (Terms and conditions), retrieved 18 Oct 2026
Current notes 2026
New service specification version 1.4 applies from 6 November 2026: private and public preview models are excluded from the SLA and availability and may be discontinued or changed at any time without notice. Models may be deprecated with 6 months' notice (3 months where there is a direct successor model). SLA 99.5% per calendar month. Offer only for businesses and public bodies.
Provider structure
STACKIT is the brand of Schwarz Digits Cloud GmbH & Co. KG, the cloud service provider of the Schwarz Group; the contracting party and processor is Schwarz Digits Cloud GmbH & Co. KG. The models come from third-party developers (including Qwen, Meta, OpenAI gpt-oss, Google Gemma) and are operated by STACKIT itself as shared instances. Offer exclusively for businesses and legal entities under public law.
Open points of the review
- No product-specific statement by STACKIT on its own role under the AI Act or on marking under Art. 50 found.
- Which of the further processors in DPA Annex 2 are actually used for AI Model Serving is not stated.
- Retention period of entries in the STACKIT audit log and of billing data not quantified.
- Audit period and report date of the C5 attestation not public (attestation only on request); technical and organisational measures annex not reviewed.
- Whether EU01 inference runs in Germany or Austria is not clearly stated on the pages reviewed (price list names 'Germany South'; service description section 1.2 names data centres in Germany and Austria, the certificates page processing 'exclusively in in-house German data centres' (translated)).
Frequently asked questions
Where does STACKIT AI store data?
EU hosting selectable (plans: AI Model Serving (usage-based)). According to the provider, as of 18 Oct 2026.
Is there a DPA for STACKIT AI?
yes in: AI Model Serving (usage-based). According to the provider, as of 18 Oct 2026.
Does STACKIT AI use inputs for AI training?
no in: AI Model Serving (usage-based). According to the provider, as of 18 Oct 2026.
Where is the provider based?
Schwarz Digits Cloud GmbH & Co. KG, Am Campus 1, 74177 Bad Friedrichshall, Germany; Local Court (Amtsgericht) Stuttgart, HRA 741347; represented by STACKIT Beteiligungs-GmbH, Neckarsulm. According to the provider, as of 18 Oct 2026.
All sources
- 01STACKIT AI Model Serving (product page with price table)Product page · retrieved 18 Oct 2026
- 02Service specification STACKIT AI Model Serving, version 1.3, valid from 18 September 2025Service description · retrieved 18 Oct 2026
- 03Service specification STACKIT AI Model Serving, version 1.4, valid from 6 November 2026Service description · retrieved 18 Oct 2026
- 04Data processing agreement STACKIT Cloud Services, version 2.4.2DPA · retrieved 18 Oct 2026
- 05Terms of use STACKIT Cloud, version 1.3.2, valid from 4 May 2026Terms and conditions · retrieved 18 Oct 2026
- 06Service description STACKIT Cloud, version 1.4, valid from 4 May 2026Service description · retrieved 18 Oct 2026
- 07AI Model Serving – FAQDocumentation · retrieved 18 Oct 2026
- 08AI Model Serving – Service descriptionDocumentation · retrieved 18 Oct 2026
- 09CertificatesSecurity page · retrieved 18 Oct 2026
- 10Legal noticeLegal notice · retrieved 18 Oct 2026
- 11Available Shared Models of STACKIT AI Model ServingDocumentation · retrieved 18 Oct 2026
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All tools in Software development · Tools with an EU hosting option
Further reading
All tools in the category: Software development. STACKIT AI has at least one plan with an EU hosting option; see also AI tools with an EU hosting option. Figures across all tools: Data report.