DeepSeek: DeepSeek V3.1
deepseek/deepseek-chat-v3.1
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
Modalities
In / Out Price
$0.25 / $0.95 per 1M
Context
164K
Released
Aug 21, 2025
Knowledge Cutoff
Mar 2025
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