DeepSeek-R1

retired Retired

DeepSeek-R1 is a retired DeepSeek LLM API model. and shut down on Aug 21, 2025. Migrate any code that still calls deepseek-reasoner to deepseek/deepseek-v3-1.

Recommended action: migrate to deepseek/deepseek-v3-1.

Lifecycle & specs

Provider
DeepSeek
API model ID
deepseek-reasoner
Status
retired
Released
Jan 20, 2025
Deprecated
May 28, 2025
Retirement date
Aug 21, 2025
Replacement
deepseek/deepseek-v3-1
Context window
65,536 tokens

Source: official DeepSeek documentation ↗ · ✓ verified