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DeepSeek

How safe is DeepSeek for IT & software development?

GDPR profileOur summary of what the provider itself publishes about your data: EU hosting possible, no training on your data for business use, and self-hostable. Caution means a model with a documented issue, such as an investigation by a regulator. How we measure for IT & software developmentCaution

DeepSeek has a concrete GDPR concern. The DeepSeek service stores personal data in China and was blocked by the Italian regulator in January 2025. Not advisable for regulated sectors unless you host the model yourself within the EU. Weigh this heavily before deploying it in IT & software development.

Where does DeepSeek stand in IT & software development?

Shared spot 30 of 36 options for IT & software development (professional tools and general assistants) on GDPR profile. 7 options, like DeepSeek profile, carry a caution. Each tile is an option we track for this field; click for the check.

Strong8
Good7
Limited9
Unknown5
Caution7

Published safeguards

–EU hosting possibleNot known
–No training on your data (business)Not known
✓Self-hostable (on-premise)Yes

The DeepSeek service stores data in China and uses it for training by default (with an opt-out). Only an EU self-hosted variant of the open weights is defensible for sensitive data.

How to use DeepSeek safely

  • Use the business variant and sign a data processing agreement (DPA).
  • Do not enter unnecessary personal data into prompts; anonymise where possible.
  • Ask the provider explicitly where data is stored and processed.
  • Keep a professional in the loop: source code is a trade secret and intellectual property.

Stronger or equally strong in IT & software development

SonarQubeSonarSource Sarl (Switzerland - EU-equivalent)Phrase Localization PlatformPhrase GmbH (Hamburg, Germany) / Phrase a.s. (Prague, Czech Republic)CrowdinCrowdin OÜ (Estonia, Europe)FigmaFigma, Inc. (USA)JetBrains AI AssistantJetBrains s.r.o. (Czechia / Netherlands - EU)

Latest developments

21 August 2026DeepSeek V4 Flash Vision Exp: no open weights, servers in China, GDPR transfer problematic

On 21 August 2026, DeepSeek launched an experimental multimodal version of V4 Flash (V4-Flash-Vision-Exp) that processes text and images as input. The model is available exclusively via the hosted API (no open weights); calls are processed on servers in China. There is no EU adequacy decision for China, and DeepSeek has not published Standard Contractual Clauses for EU transfers. For applications where personal data is entered, including via images, such as invoices, patient documents or identity documents, direct API use is not GDPR-defensible. GDPR-compliant alternatives: (1) waiting for open weights and self-hosting on EU infrastructure, (2) use via Microsoft Azure AI Foundry with EU data residency (available for earlier DeepSeek variants). Price: $0.22/$0.66 per million tokens (off-peak), double rate at peak times. source

13 August 2026DeepSeek V4 Pro GA: price increase announced, GDPR risk remains with cloud API

DeepSeek V4 Pro 0813 moved out of preview to general availability on 13 August 2026. The model (1.6T parameters MoE, 1M context window) is available via the official DeepSeek API at $0.435 per 1M input tokens, but DeepSeek has announced a significant price increase in the near future. GDPR relevance: the cloud API stores data in China; there is no EU adequacy decision. For business use: (1) EU self-hosting on open weights, or (2) use via Microsoft Azure Foundry (EU residency available since May 2026) are the GDPR-defensible routes. Direct API use by organisations in regulated sectors (healthcare, legal, financial) remains not recommended. source

30 January 2025Italian regulator blocks DeepSeek

The Garante imposed a processing restriction on DeepSeek over inadequate answers on data processing and storage in China. source

Questions

How safe is DeepSeek for IT & software development?
DeepSeek has a concrete GDPR concern. The DeepSeek service stores personal data in China and was blocked by the Italian regulator in January 2025. Not recommended for regulated sectors unless you host the model yourself within the EU. Weigh this heavily before deploying it in IT & software development. There is a concrete GDPR concern, read the details on the page.
Does DeepSeek train on my data?
The DeepSeek service stores data in China and uses it for training by default (with an opt-out). Only an EU self-hosted variant of the open weights is defensible for sensitive data.
What should I watch out for with AI in IT & software development?
Source code is trade secret and intellectual property. Check whether AI coding assistants store your code or use it for model training (an opt-out or business plan is required). Use on-premises or privacy-compliant variants for sensitive projects. AI-generated code sometimes contains security vulnerabilities or errors, so always have a developer review it, especially production code.

Source documents

api-docs.deepseek.comhuggingface.co

Everything about DeepSeek Best AI for IT & software development

Summarised by the editorial team from provider documentation · not legal advice

Last checked: 23 October 2026 · How we check

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