GLM 5 vs GPT-4.1 Nano
Head to head on 11 shared benchmarks, with price, context window, and release dates.
Benchmark scores
51evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GLM 5 Zai | 62.9% | 1598elo | 70.9 | 16.4% | 66.6% | 7.6% | 55.2% | 38.3% | 70.0% | 39.4% | 97.4% | - | - | - | - | - | - | - | - | - | 7.9% | 24.7% | - | - | - | 97.9 | 82.7% | 48395 | 71.2% | 73.6% | 67.9% | 55.3% | 77.5% | 83.5% | 69.1% | - | - | - | 65.2% | - | - | - | 73.3 | 69.7% | 72.8% | 61.12 | - | - | 23.4% | - | - | 56.4% |
| GPT-4.1 Nano OpenAI | 42.1% | 944elo | 32.4 | 1.0% | 51.2% | 3.8% | 32.0% | 25.9% | 60.8% | 3.8% | 17.3% | 8.9% | 23.7% | 24.0% | 10.7% | 1.53 | -0.17 | 3.3% | 0.0% | 42.5% | - | - | 0.39 | 1.46 | 0.0% | - | - | - | - | - | - | - | - | - | - | 32.6% | 10.8% | 84.8% | - | 65.7% | 52.8% | 0.44 | - | - | - | - | 1.64 | 39.8% | - | 68.0% | 68.0% | 30.9% |
2 / 2 models
| Attribute | GLM 5 Zai | GPT-4.1 Nano OpenAI |
|---|---|---|
| Description | GLM-5 is an AI model from Zai, released with open weights. | GPT-4.1 Nano is an AI model from OpenAI. |
| Family | Glm | GPT |
| Params | - | - |
| Open weights | open | closed |
| License | mit | proprietary |
| Released | 11 Feb 2026 | 14 Apr 2025 |
| Context | 204,800 | 1,047,576 |
| Input $/1M | $1.00 | $0.10 |
| Output $/1M | $3.20 | $0.40 |
| Cache read $/1M | $0.120 | $0.025 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text | image, text, file |
| Providers | - | - |
| Publisher | Zai | OpenAI |
| Reported scores | GPQA Diamond66.6% (AA) Humanity's Last Exam (HLE)7.6% (AA) IFBench55.2% (AA) SciCode38.3% (AA) τ²-bench (Tau²-bench)97.4% (AA) |
FAQ
- Is GLM 5 or GPT-4.1 Nano better?
- Across the 11 benchmarks both models report on Sophon, GLM 5 leads on 11 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GLM 5 and GPT-4.1 Nano compare on GPQA Diamond?
- GLM 5 scores 66.6% and GPT-4.1 Nano scores 51.2% on GPQA Diamond.
- Which is cheaper, GLM 5 or GPT-4.1 Nano?
- GPT-4.1 Nano is cheaper at $0.40 per million output tokens against $3.20 for GLM 5 - about 8.0x.
- When were GLM 5 and GPT-4.1 Nano released?
- GLM 5 was released 11 Feb 2026 by Zai. GPT-4.1 Nano was released 14 Apr 2025 by OpenAI.
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