This model is 16 months old. A newer version of it has since shipped: DeepSeek V4 Flash Vision Exp (2026-08-21). The details below are still accurate for this model — it just is not what we would recommend today.
DeepSeek R1 (0528)
DeepSeek🇨🇳 China
Updated DeepSeek R1 with significant math and reasoning improvements.
Context window64K tokens
Input / 1M tokens$0.55
Output / 1M tokens$2.19
Version History
DeepSeek-R1-0528minor
DeepSeek R1 updated with meaningfully improved math and reasoning scores. Closes the gap to OpenAI o3 on several benchmarks.
Benchmark Scores
Full leaderboard →1421.0 elo
Arena Elo