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deepseek/deepseek-chat-v3.1

Rank #112 deepseek

deepseek/deepseek-chat-v3.1

Usage data date 2026-09-12 · updated daily

Usage and specs

Daily rank#112
Daily tokens39.5B
Daily requests9M
Daily change −8.5%
Released

What is 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...

deepseek/deepseek-chat-v3.1 capabilities

Input: Text   Output: Text

Reasoning output Reasoning JSON output Structured outputs Tool choice Tool use Knowledge cutoff 2025-03-31

deepseek/deepseek-chat-v3.1 API pricing

Input · per 1M tokens$0.25
Output · per 1M tokens$0.95

USD list-price snapshot, not independently verified; confirm current pricing and terms on the provider site before purchase.