Mistral Medium 3.5 vs GLM-4.5
Mistral Mistral Medium 3.5 | Z.ai GLM-4.5 | |
|---|---|---|
| Overview | ||
| Company | Mistral | Z.ai |
| Release date | Apr 29 2026 | Jul 28 2025 |
| Access | Open Weight | Open Weight |
| Specifications | ||
Parameters | 128B | 355B |
Context window | 256k | 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. | 77.6%Best | 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 275 days before Mistral Medium 3.5 | |
Which is better: Mistral Medium 3.5 or GLM-4.5?
Mistral Medium 3.5 leads GLM-4.5 on 1 of the 1 benchmark they both report (SWE-Bench Verified). GLM-4.5 shipped 275 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.
Mistral Medium 3.5 has 128B parameters, while GLM-4.5 has 355B. Context windows are 256k (Mistral Medium 3.5) vs 128k (GLM-4.5).
On SWE-Bench Verified, Mistral Medium 3.5 leads at 77.6% vs GLM-4.5 at 64.2%.
Frequently asked questions
Mistral Medium 3.5 was released by Mistral on Apr 29 2026.
GLM-4.5 was released by Z.ai on Jul 28 2025.
Mistral Medium 3.5 leads on SWE-Bench Verified — Mistral Medium 3.5 77.6% vs GLM-4.5 64.2%.
Mistral Medium 3.5 has a 256k context window; GLM-4.5 has 128k.
Other comparisons
Mistral Medium 3.5 vs Claude Fable 5GLM-4.5 vs Claude Fable 5Mistral Medium 3.5 vs GPT-5.6 SolGLM-4.5 vs GPT-5.6 SolMistral Medium 3.5 vs Gemini OmniGLM-4.5 vs Gemini OmniMistral Medium 3.5 vs Muse SparkGLM-4.5 vs Muse SparkMistral Medium 3.5 vs Grok 4.3 BetaGLM-4.5 vs Grok 4.3 BetaMistral Medium 3.5 vs DeepSeek-V4-ProGLM-4.5 vs DeepSeek-V4-Pro