DeepSeek V3.1 Terminus vs GLM-4.5
DeepSeek DeepSeek V3.1 Terminus | Z.ai GLM-4.5 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | Z.ai |
| Release date | Sep 22 2025 | Jul 28 2025 |
| Access | Open Weight | Open Weight |
| Specifications | ||
Parameters | — | 355B |
Context window | — | 128k |
| 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. | — | 64.2% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | — | 79.1% |
| Timeline | ||
| Release gap | GLM-4.5 shipped 56 days before DeepSeek V3.1 Terminus | |
Which is better: DeepSeek V3.1 Terminus or GLM-4.5?
DeepSeek V3.1 Terminus and GLM-4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4.5 shipped 56 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 GLM-4.5 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.
GLM-4.5 was released by Z.ai on Jul 28 2025.
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