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DeepSeek 深度求索
Language and reasoning models, open weights, model APIs and developer-agent tools. api-docs.deepseek.com · deepseek.com
Use & access
Model access and license evidence applies to the named model. Check the official terms for availability in your country.
Products
Model API & platform
Official platform serving the DeepSeek model family through APIs.
Assistant app
- DeepSeek深度求索
Chat assistant for DeepSeek's open-weight reasoning models.
Developer-preview agent workspace with official macOS and Windows desktop downloads.
Verified model profiles
Model-specific conditions and evidence
- DeepSeek-V4.1-Flash-1017 · Oct 17, 2026Global API · Access source · MIT · License source
- DeepSeek-V4.1-Flash · Sep 10, 2026Global API · Access source · MIT · License source
- DeepSeek-V4-Pro-0813 · Aug 13, 2026Global API · Access source · MIT · License source
- DeepSeek-V4-Flash · Apr 24, 2026Open weights · Access source · MIT · License source
- DeepSeek-V4-Pro · Apr 24, 2026Global API · Access source · MIT · License source
- DeepSeek-V3.2 · Dec 1, 2025Open weights · Access source · MIT · License source
- DeepSeek-V3.1 · Aug 21, 2025Open weights · Access source · MIT · License source
- DeepSeek-R1-0528 · May 28, 2025Open weights · Access source · MIT · License source
- DeepSeek-R1 · Jan 20, 2025Open weights · Access source · MIT · License source
- DeepSeek-V3 · Dec 26, 2024Open weights · Access source · MIT (code); DeepSeek Model License (weights) · License source
Recent model release coverage
Published Events; a news report does not establish a verified model profile.
Latest Events
- Reportedly: DeepSeek web and API services suffer partial outage with 'server temporarily unavailable' errors
- Reportedly: DeepSeek raises 105.5 billion yuan in second funding round with investors including vivo, Meituan and Xiaohongshu
- Reportedly: DeepSeek Harness open-sources Super-agent architecture prototype
- DeepSeek Harness team open-sources dsh-superagent, a proactive coding agent prototype
- Reportedly: DeepSeek open-sources DeepInfer, the inference engine behind DeepSeek-V4.1-Flash
- Reportedly: Doubao Work opens third-party model service to enterprise customers, including Kimi 3.1 Pro, GLM 5.3, and DeepSeek V4.1 Flash
- Reportedly: Xiaomi MiMo Desktop upgrades membership: higher quotas at same price, adds DeepSeek and other third-party models
- Reportedly: StartLux open-sources Prism, the first decision-model inference engine, with up to 5.3x speedup
- Reportedly: DeepSeek and MiniMax complete registration for open-source and overseas licensing under China's revised export-control rules
- Reportedly: US Department of Homeland Security bans DeepSeek products from federal civilian systems
- Reportedly: DeepSeek API adds web search and fetch, charging ¥5 per 1,000 successful requests from Nov 1, 2026
- Reportedly: DeepSeek API adds web search and fetch, priced at RMB 5 per 1,000 successful requests
- Reportedly: DeepSeek releases V4.1-Flash-1017 with lower cost and stronger performance
- Reportedly: DeepSeek releases V4.1-Flash-1017 model and opens self-developed search API
- DeepSeek released DeepSeek-V4.1-Flash-1017 on Hugging Face
- Reportedly: OpenCode makes DeepSeek V4.1 Flash free with 200K context
- Reportedly: DeepSeek web and API services suffer partial outage with 'server temporarily unavailable' errors
- Reportedly: DeepSeek raises about RMB 100 billion in latest funding round
- Reportedly: DeepSeek Harness v0.2.1-alpha.2 Pre-Release Adds Reasoning Translation and Git Worktrees
- Reportedly: DeepSeek finalizes at least RMB 80B round with Tencent and CATL