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DeepSeek: DeepSeek V3.1

deepseek/deepseek-chat-v3.1

DeepSeek: DeepSeek V3.1 (deepseek/deepseek-chat-v3.1) costs $0.25 per 1M prompt tokens and $0.95 per 1M completion tokens, has a 163,840-token context window, and supports tool calling, structured outputs, reasoning and response format. Data updated 2026-10-30.

Prompt price
$0.25 / 1M tokens
Completion price
$0.95 / 1M tokens
Context
163,840 tokens
Input modalities
text
Output modalities
text
Tokenizer
DeepSeek
Instruct type
deepseek-v3.1
Knowledge cutoff
2025-03-31
Hugging Face
deepseek-ai/DeepSeek-V3.1

Last price change: 2026-09-08

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...

Price history

$1.65$0$ per 1M tokens2025-08-222026-09-08PromptCompletion

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