Gemini 2.5 Flash vs GLM-4-9B
Google Gemini 2.5 Flash | Z.ai GLM-4-9B | |
|---|---|---|
| Overview | ||
| Company | Z.ai | |
| Release date | Apr 17 2025 | Jun 5 2024 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 9B |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 19% | — |
| Timeline | ||
| Release gap | GLM-4-9B shipped 316 days before Gemini 2.5 Flash | |
Which is better: Gemini 2.5 Flash or GLM-4-9B?
Gemini 2.5 Flash and GLM-4-9B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4-9B shipped 316 days before Gemini 2.5 Flash, so benchmark comparisons should account for the intervening progress.
Gemini 2.5 Flash is proprietary, while GLM-4-9B is open weight.
Direct benchmark comparisons are unavailable — Gemini 2.5 Flash and GLM-4-9B don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemini 2.5 Flash was released by Google on Apr 17 2025.
GLM-4-9B was released by Z.ai on Jun 5 2024.
Gemini 2.5 Flash is a proprietary model released by Google. GLM-4-9B is an open weight model released by Z.ai.
Other comparisons
Gemini 2.5 Flash vs Claude Fable 5GLM-4-9B vs Claude Fable 5Gemini 2.5 Flash vs GPT-5.6 SolGLM-4-9B vs GPT-5.6 SolGemini 2.5 Flash vs Muse SparkGLM-4-9B vs Muse SparkGemini 2.5 Flash vs Grok 4.3 BetaGLM-4-9B vs Grok 4.3 BetaGemini 2.5 Flash vs DeepSeek-V4-ProGLM-4-9B vs DeepSeek-V4-ProGemini 2.5 Flash vs Mistral Medium 3.5GLM-4-9B vs Mistral Medium 3.5