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DeepSeek: DeepSeek V3.1 Terminus

DEEPSEEK Developer Architecture Profile

OpenRouter ↗HuggingFace ↗
Intelligence (ELO)1441Chatbot Arena Verified
Max Context163,840Tokens
API Cost / 1M$1.00Blended Prompt + Completion

Model Capabilities

  • Coding & Logic
  • Fictional
DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further optimizing the model's...

Granular Pricing Matrix

Input Tokens (Prompt)$0.21 / 1M
Output Tokens (Completion)$0.79 / 1M

Pricing data via OpenRouter. Sync: 4/30/2026

Evaluate Competitors

VS Engine MatchupDeepSeek: DeepSeek V3.1 Terminus vs AllenAI: Olmo 3 32B ThinkVS Engine MatchupDeepSeek: DeepSeek V3.1 Terminus vs OpenAI: o4 Mini HighVS Engine MatchupDeepSeek: DeepSeek V3.1 Terminus vs Qwen2.5 Coder 32B InstructVS Engine MatchupDeepSeek: DeepSeek V3.1 Terminus vs Z.ai: GLM 5V TurboVS Engine MatchupDeepSeek: DeepSeek V3.1 Terminus vs ByteDance Seed: Seed-2.0-MiniVS Engine MatchupDeepSeek: DeepSeek V3.1 Terminus vs Qwen: Qwen3.5-122B-A10B