DeepSeek: DeepSeek V3.1

deepseek/deepseek-chat-v3.1

CHAT Mid tier Reasoning

DeepSeek: DeepSeek V3.1 (deepseek/deepseek-chat-v3.1) is a chat model from openrouter with a 163.8K-token context window; capabilities tools, reasoning; input text; output text.

163.8KContext

163.8KMax output

$0.2$ / 1M in

Pricing

Input: $0.2 / 1M tokens
Output: $0.8 / 1M tokens
Currency: USD
Note: Indicative US list price — verify with the vendor.

Indicative US list price — a reference only, verify with the vendor. Source: litellm. Last verified 2026-07-24.

Specifications

Context window: 163,840 tokens (163.8K)
Max output: 163,840 tokens
Input modalities: text
Output modalities: text
Knowledge cutoff: 2025-03-31

Capabilities

tools reasoning

Provenance

committedlitellmopenrouter-api

Last verified: 2026-07-24

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