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DeepSeek V3.1 Terminus

OpenRouterOpen weights

DeepSeek V3.1 Terminus by OpenRouter costs $0.27 per 1M input tokens and $0.95 per 1M output tokens, with a 164K-token context window.

Pricing

Input (per 1M tokens)
$0.27
Output (per 1M tokens)
$0.95
Cached input (per 1M)
$0.13

Specifications

Provider
OpenRouter
Context window
164K tokens
Parameters
—
Released
Sep 2025
Open weights
Yes
Frontier model
No

Compare DeepSeek V3.1 Terminus with…

DeepSeek V3.1 Terminus vs GPT-5.3 Codex$14.00/1MDeepSeek V3.1 Terminus vs OpenRouter: Fusion$-1,000,000.00/1MDeepSeek V3.1 Terminus vs MiniMax-M2$1.00/1MDeepSeek V3.1 Terminus vs Qwen3 Coder Next$0.80/1MDeepSeek V3.1 Terminus vs GPT OSS 120B$0.15/1MDeepSeek V3.1 Terminus vs gpt-oss-20b$0.14/1M

FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.