Devstral 2 (123B) vs GLM-4.6
Mistral Devstral 2 (123B) | Z.ai GLM-4.6 | |
|---|---|---|
| Overview | ||
| Company | Mistral | Z.ai |
| Release date | Dec 9 2025 | Sep 30 2025 |
| Access | Open Weight | Open Weight |
| Specifications | ||
Parameters | — | 355B |
Context window | — | 200k |
| 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. | — | 68% |
| Timeline | ||
| Release gap | GLM-4.6 shipped 70 days before Devstral 2 (123B) | |
Which is better: Devstral 2 (123B) or GLM-4.6?
Devstral 2 (123B) and GLM-4.6 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4.6 shipped 70 days before Devstral 2 (123B), 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 — Devstral 2 (123B) and GLM-4.6 don't publish scores on any of the same benchmarks.
Frequently asked questions
Devstral 2 (123B) was released by Mistral on Dec 9 2025.
GLM-4.6 was released by Z.ai on Sep 30 2025.
Other comparisons
Devstral 2 (123B) vs Claude Fable 5GLM-4.6 vs Claude Fable 5Devstral 2 (123B) vs GPT-5.6 SolGLM-4.6 vs GPT-5.6 SolDevstral 2 (123B) vs Gemini OmniGLM-4.6 vs Gemini OmniDevstral 2 (123B) vs Muse SparkGLM-4.6 vs Muse SparkDevstral 2 (123B) vs Grok 4.3 BetaGLM-4.6 vs Grok 4.3 BetaDevstral 2 (123B) vs DeepSeek-V4-ProGLM-4.6 vs DeepSeek-V4-Pro