DeepSeek-LLM vs GLM-4.5
DeepSeek DeepSeek-LLM | Z.ai GLM-4.5 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | Z.ai |
| Release date | Nov 29 2023 | 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 | DeepSeek-LLM shipped 607 days before GLM-4.5 | |
Which is better: DeepSeek-LLM or GLM-4.5?
DeepSeek-LLM and GLM-4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek-LLM shipped 607 days before GLM-4.5, 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-LLM and GLM-4.5 don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek-LLM was released by DeepSeek on Nov 29 2023.
GLM-4.5 was released by Z.ai on Jul 28 2025.
Other comparisons
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