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DeepSeek V3.1 Terminus

deepseek Reasoning Tool Calling Open Weights Structured Output

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...

Providers 8
Released Jun 1, 2025
Input Modalities text
Output Modalities text
Tarsk Use coding

Benchmarks

21.4
Intelligence Index
53.7
Math Index

Available Providers (8)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Kilo Gateway deepseek/deepseek-v3.1-terminus $0.21/MTok $0.79/MTok 163.8K 32.8K
NanoGPT deepseek-ai/DeepSeek-V3.1-Terminus $0.25/MTok $0.70/MTok 128K 65.5K
Vercel AI Gateway deepseek/deepseek-v3.1-terminus $0.27/MTok $1/MTok 131.1K 65.5K
NovitaAI deepseek/deepseek-v3.1-terminus $0.27/MTok $1/MTok 131.1K 32.8K
Helicone deepseek-v3.1-terminus $0.27/MTok $1/MTok 128K 16.4K
Abacus deepseek-ai/DeepSeek-V3.1-Terminus $0.27/MTok $1/MTok 128K 8.2K
OpenRouter deepseek/deepseek-v3.1-terminus $0.27/MTok $0.95/MTok 163.8K 32.8K
Synthetic hf:deepseek-ai/DeepSeek-V3.1-Terminus $1.20/MTok $1.20/MTok 128K 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output