Answer · Writing
What AI models does DeepSeek use?
DeepSeek runs on DeepSeek-R1 (DeepSeek), DeepSeek-V3.2 (DeepSeek), deepseek-v4-flash (DeepSeek), DeepSeek-V4-Flash-0731 (DeepSeek), DeepSeek-V4-Flash-Vision-Exp (DeepSeek), DeepSeek-V4-Pro (DeepSeek), DeepSeek-V4-Pro-0813 (DeepSeek) and DeepSeek-V4.1-Flash (DeepSeek), and routes requests between them.
- Models used
- 8
- Primary model
- DeepSeek-R1
- Public API
- Yes
- Last checked
- 2026-09-12
Model claims are labelled by how we know them: DeepSeek-R1 — disclosed, DeepSeek-V3.2 — disclosed, deepseek-v4-flash — disclosed, DeepSeek-V4-Flash-0731 — disclosed, DeepSeek-V4-Flash-Vision-Exp — disclosed, DeepSeek-V4-Pro — disclosed, DeepSeek-V4-Pro-0813 — disclosed and DeepSeek-V4.1-Flash — disclosed. "Disclosed" means the vendor says so in public; "inferred" means it was derived from documentation, headers or release notes.
Context window: 1M.
Other stack signals: openai_sdk and anthropic_sdk.
Cite this answer
Tomorrow. “What AI models does DeepSeek use?” Tomorrow AI & Emerging Tech Index, AlienSquad, updated 2026-09-12. https://tomorrow.aliensquad.ai/q/what-models-does-deepseek-use
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