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DeepSeek V3.1 Terminus vs Kimi Linear

DeepSeek DeepSeek V3.1 Terminus vs Moonshot AI Kimi Linear — side-by-side specs.

DeepSeek
DeepSeek V3.1 Terminus
Moonshot AI
Kimi Linear
Overview
CompanyDeepSeekMoonshot AI
Release dateSep 22 2025Oct 2025
Model type
Open sourceYesYes
Specifications
Parameters
48B
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek V3.1 Terminus shipped 9 days before Kimi Linear

Which is better: DeepSeek V3.1 Terminus or Kimi Linear?

DeepSeek V3.1 Terminus and Kimi Linear do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek V3.1 Terminus shipped 9 days before Kimi Linear, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was DeepSeek V3.1 Terminus released?
DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.
When was Kimi Linear released?
Kimi Linear was released by Moonshot AI on Oct 2025.

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