Gemini 3.1 Flash vs GLM-4.5-Air
Google Gemini 3.1 Flash | Z.ai GLM-4.5-Air | |
|---|---|---|
| Overview | ||
| Company | Z.ai | |
| Release date | Feb 26 2026 | Jul 28 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 106B |
| 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. | — | 59.8% |
| Timeline | ||
| Release gap | GLM-4.5-Air shipped 213 days before Gemini 3.1 Flash | |
Which is better: Gemini 3.1 Flash or GLM-4.5-Air?
Gemini 3.1 Flash and GLM-4.5-Air don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4.5-Air shipped 213 days before Gemini 3.1 Flash, so benchmark comparisons should account for the intervening progress.
Gemini 3.1 Flash is proprietary, while GLM-4.5-Air is open weight.
Direct benchmark comparisons are unavailable — Gemini 3.1 Flash and GLM-4.5-Air don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemini 3.1 Flash was released by Google on Feb 26 2026.
GLM-4.5-Air was released by Z.ai on Jul 28 2025.
Gemini 3.1 Flash is a proprietary model released by Google. GLM-4.5-Air is an open weight model released by Z.ai.
Other comparisons
Gemini 3.1 Flash vs Claude Fable 5GLM-4.5-Air vs Claude Fable 5Gemini 3.1 Flash vs GPT-5.6 SolGLM-4.5-Air vs GPT-5.6 SolGemini 3.1 Flash vs Muse SparkGLM-4.5-Air vs Muse SparkGemini 3.1 Flash vs Grok 4.3 BetaGLM-4.5-Air vs Grok 4.3 BetaGemini 3.1 Flash vs DeepSeek-V4-ProGLM-4.5-Air vs DeepSeek-V4-ProGemini 3.1 Flash vs Mistral Medium 3.5GLM-4.5-Air vs Mistral Medium 3.5