DeepSeek V3.1 Terminus vs Kimi K2 (0905)
DeepSeek DeepSeek V3.1 Terminus | Moonshot AI Kimi K2 (0905) | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | Moonshot AI |
| Release date | Sep 22 2025 | Sep 5 2025 |
| Access | Open Weight | Open Weight |
| Specifications | ||
Parameters | — | 1T |
Context window | — | 256k |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | — | 65.8% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | — | 75.1% |
| Timeline | ||
| Release gap | Kimi K2 (0905) shipped 17 days before DeepSeek V3.1 Terminus | |
Which is better: DeepSeek V3.1 Terminus or Kimi K2 (0905)?
DeepSeek V3.1 Terminus and Kimi K2 (0905) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi K2 (0905) shipped 17 days before DeepSeek V3.1 Terminus, 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 — DeepSeek V3.1 Terminus and Kimi K2 (0905) don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.
Kimi K2 (0905) was released by Moonshot AI on Sep 5 2025.
Other comparisons
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