The cheapos Club

DeepSeek: DeepSeek V3.1

deepseek/deepseek-chat-v3.1

PaidTool callingReasoning
View on OpenRouter ↗

Price Published

Input
$0.25
per million tokens
Output
$0.95
per million tokens

Optional features and fallback routes can cost extra. Confirm current terms with the provider.

Specifications Published

Context window
163,840 tokens
Max output
32,768 tokens
Tool calling
Supported
Vision input
Not listed
Reasoning
Supported
Knowledge cutoff
Mar 31, 2025
Listed since
Aug 21, 2025

Measured by the Club Signed cheapoS reports

Not yet observed No signed request reports for this exact route yet. Missing reports aren't a failure or a zero.

How we measure · Reports come from cheapoS members who share model details.

Try it

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  2. Add it to cheapoS. Open Models → Open OmniRoute, add OpenRouter with your key, then refresh models. Get cheapoS
  3. Pick this model. Use the ID deepseek/deepseek-chat-v3.1 as a worker or reviewer, and start with a small task you can check.

About this model OpenRouter description

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...

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Catalog data from the OpenRouter model catalog, retrieved Sep 29, 2026, 12:37 PM UTC. A listing isn't a live availability check.