Provider logo

DeepSeek V3.1 Terminus (Thinking)

deepseek-ai/DeepSeek-V3.1-Terminus:thinking
Provider logo

DeepSeek V3.1 Terminus (Thinking)

deepseek-ai/DeepSeek-V3.1-Terminus:thinking

Thinking-enabled DeepSeek-V3.1-Terminus with improved language consistency, upgraded Code/Search Agents, and stronger stability and reliability versus V3.1. FP8.

Context Window

128.0K

Max Output

65.5K

Avg output tokens (7d)

882 tokens

40%

Input Price (Auto)

$0.30/1M

Output Price (Auto)

$0.95/1M

Cache Read (Auto)

$0.13/1M

Capabilities

Benchmarks

Performance metrics and benchmarks

Sourced from Artificial Analysis.

Intelligence Index

31.1

Better than 71% of models compared

Coding Index

43.5

Better than 55% of models compared

Reasoning

GPQA Diamond

Graduate-level scientific reasoning

79.2%

Better than 69% of models compared

HLE

Humanity's Last Exam

16.4%

Better than 71% of models compared

IFBench

Instruction-following benchmark

57.0%

Better than 68% of models compared

T²-Bench Telecom

Conversational AI agents in dual-control scenarios

37.1%

Better than 45% of models compared

AA-LCR

Long context reasoning evaluation

68.0%

Better than 75% of models compared

Coding

SciCode

Python programming for scientific computing

40.6%

Better than 73% of models compared

Terminal-Bench Hard

Agentic coding and terminal use

30.3%

Better than 72% of models compared

LiveCodeBench

Contamination-free coding benchmark

79.8%

Better than 92% of models compared

Math

AIME 2025

American Invitational Mathematics Examination 2025

89.7%

Better than 90% of models compared

Knowledge

MMLU-Pro

Professional and academic subject knowledge

85.1%

Better than 91% of models compared

Last updated Aug 16, 2026

Artificial Analysis

Providers

Choose explicit providers for this model. Auto routing remains available as the default option.

Loading provider options…

Compare DeepSeek V3.1 Terminus (Thinking) with similar models from the same provider or model family.