GPT-4.1 nano vs GLM-4.6
OpenAI GPT-4.1 nano | Z.ai GLM-4.6 | |
|---|---|---|
| Overview | ||
| Company | OpenAI | Z.ai |
| Release date | Apr 14 2025 | Sep 30 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 355B |
Context window | 1M | 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 | GPT-4.1 nano shipped 169 days before GLM-4.6 | |
Which is better: GPT-4.1 nano or GLM-4.6?
GPT-4.1 nano and GLM-4.6 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4.1 nano shipped 169 days before GLM-4.6, so benchmark comparisons should account for the intervening progress.
Context windows are 1M (GPT-4.1 nano) vs 200k (GLM-4.6). GPT-4.1 nano is proprietary, while GLM-4.6 is open weight.
Direct benchmark comparisons are unavailable — GPT-4.1 nano and GLM-4.6 don't publish scores on any of the same benchmarks.
Frequently asked questions
GPT-4.1 nano was released by OpenAI on Apr 14 2025.
GLM-4.6 was released by Z.ai on Sep 30 2025.
GPT-4.1 nano has a 1M context window; GLM-4.6 has 200k.
GPT-4.1 nano is a proprietary model released by OpenAI. GLM-4.6 is an open weight model released by Z.ai.
Other comparisons
GPT-4.1 nano vs Claude Sonnet 5GLM-4.6 vs Claude Sonnet 5GPT-4.1 nano vs Gemini OmniGLM-4.6 vs Gemini OmniGPT-4.1 nano vs Muse Spark 1.1GLM-4.6 vs Muse Spark 1.1GPT-4.1 nano vs Grok 4.5GLM-4.6 vs Grok 4.5GPT-4.1 nano vs DeepSeek-V4-ProGLM-4.6 vs DeepSeek-V4-ProGPT-4.1 nano vs Mistral Medium 3.5GLM-4.6 vs Mistral Medium 3.5