GLM 5 vs GPT-5 Nano
Head to head on 19 shared benchmarks, with price, context window, and release dates.
Benchmark scores
60evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GLM 5 Zai | 96.7% | 1601elo | 70.9 | 16.4% | 87.8% | 29.3% | 72.3% | 71.2% | 73.6% | 67.9% | 55.3% | 77.5% | 83.5% | 69.1% | 46.2% | 72.8% | 70.0% | 43.2% | 98.2% | - | - | - | - | 62.9% | 7.9% | - | - | 24.7% | - | - | 97.9 | 82.7% | 48395 | - | - | - | - | - | 65.2% | - | - | - | - | - | - | - | - | - | - | - | 73.3 | 69.7% | 61.12 | - | - | - | 23.4% | - | - | - | 61.2% |
| GPT-5 Nano OpenAI | 85.0% | 703elo | 28 | 8.3% | 69.4% | 9.5% | 67.6% | 52.8% | 62.4% | 43.4% | 55.7% | 46.8% | 68.4% | 40.3% | 36.6% | 34.8% | 67.4% | 12.1% | 36.5% | 0.0% | 0.25 | 0.21 | 6.7% | - | - | 10.0% | 78.2% | - | 1.18 | 100.0% | - | - | - | 78.9% | 1.38 | 1.38 | 100.0% | 100.0% | - | 26.7% | 30.4% | 72.9% | 78.0% | 53.6% | 100.0% | 0.0% | 0.0% | 12.0% | 30.4% | 1.72 | - | - | - | 29.7% | 20.41 | -6.67 | - | 82.0% | 82.0% | 40.0% | 48.9% |
2 / 2 models
| Attribute | GLM 5 Zai | GPT-5 Nano OpenAI |
|---|---|---|
| Description | GLM-5 is an AI model from Zai, released with open weights. | GPT-5 nano is an AI model from OpenAI. |
| Family | Glm | GPT |
| Params | - | - |
| Open weights | open | closed |
| License | mit | proprietary |
| Released | 11 Feb 2026 | 7 Aug 2025 |
| Context | 204,800 | 400,000 |
| Input $/1M | $1.00 | $0.05 |
| Output $/1M | $3.20 | $0.40 |
| Cache read $/1M | $0.200 | $0.005 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text | text, image, file |
| Providers | - | - |
| Publisher | Zai | OpenAI |
| Reported scores | GPQA Diamond87.8% Humanity's Last Exam (HLE)29.3% (AA) IFBench72.3% (AA) SciCode46.2% (AA) τ²-bench (Tau²-bench)98.2% (AA) |
FAQ
- Is GLM 5 or GPT-5 Nano better?
- Across the 19 benchmarks both models report on Sophon, GLM 5 leads on 18 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GLM 5 and GPT-5 Nano compare on GPQA Diamond?
- GLM 5 scores 87.8% and GPT-5 Nano scores 69.4% on GPQA Diamond.
- Which is cheaper, GLM 5 or GPT-5 Nano?
- GPT-5 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-5 Nano released?
- GLM 5 was released 11 Feb 2026 by Zai. GPT-5 Nano was released 7 Aug 2025 by OpenAI.
Other head-to-heads
56GPT-5 Mini vs GPT-5 Nano38 shared evalsClaude Sonnet 4.5 vs GPT-5 Nano31 shared evalsGPT-5 vs GPT-5 Nano28 shared evalsGLM 5 vs Kimi K2.527 shared evalsGPT-4.1 Mini vs GPT-5 Nano26 shared evalsGPT-5 Nano vs GPT-5.226 shared evalsClaude Opus 4.5 vs GPT-5 Nano26 shared evalsClaude 4 Sonnet vs GPT-5 Nano25 shared evalsClaude Sonnet 4.5 vs GLM 524 shared evalsGemini 2.5 Pro vs GPT-5 Nano24 shared evalsGPT-5 Nano vs Grok 4.1 Fast24 shared evalsGLM 5 vs GPT-5.224 shared evalsClaude Opus 4.5 vs GLM 524 shared evalsClaude Opus 4.6 vs GLM 524 shared evalsDeepSeek V3.2 vs GLM 524 shared evalsGPT-5 Nano vs GPT-5.523 shared evalsClaude Opus 4.6 vs GPT-5 Nano23 shared evalsGPT-5 Nano vs Kimi K2.523 shared evalsGLM 4.7 vs GPT-5 Nano23 shared evalsGLM 5 vs GPT-5 Mini22 shared evalsGemini 3.1 Pro Preview vs GPT-5 Nano22 shared evalsClaude Opus 4.8 vs GPT-5 Nano22 shared evalsGPT-5 Nano vs GPT-5.422 shared evalsClaude Opus 4.7 vs GPT-5 Nano22 shared evalsGPT-4.1 Nano vs GPT-5 Nano22 shared evalsDeepSeek V3.2 vs GPT-5 Nano22 shared evalsGPT-5 Nano vs gpt-oss-120b22 shared evalsGLM 5 vs GPT-5.422 shared evalsClaude Fable 5 vs GPT-5 Nano21 shared evalsGLM 5.1 vs GPT-5 Nano21 shared evalsGemini 3.1 Pro Preview vs GLM 521 shared evalsGLM 5 vs Grok 4.1 Fast21 shared evalsGLM 5 vs GPT-5.520 shared evalsGPT-4.1 vs GPT-5 Nano20 shared evalsClaude Sonnet 4.6 vs GPT-5 Nano20 shared evalsClaude Opus 4.8 vs GLM 520 shared evalsClaude Sonnet 4.6 vs GLM 520 shared evalsGLM 5 vs GLM 5.120 shared evalsClaude Opus 4.7 vs GLM 520 shared evalsGLM 5 vs Qwen3.6 Plus20 shared evalsGPT-5 Nano vs Qwen3.6 Plus19 shared evalsClaude 4 Sonnet vs GLM 519 shared evalsGLM 5 vs gpt-oss-120b19 shared evalsGLM 4.7 vs GLM 519 shared evalsGPT-4o vs GPT-5 Nano18 shared evalsClaude Fable 5 vs GLM 518 shared evalsGemini 2.5 Pro vs GLM 518 shared evalsGPT-4o-mini vs GPT-5 Nano16 shared evalsGLM 5 vs GPT-515 shared evalsGLM 5 vs GPT-4o15 shared evalsGLM 5 vs GPT-4.1 Mini12 shared evalsGLM 5 vs GPT-4.112 shared evalsGLM 5 vs GPT-4o-mini12 shared evalsGLM 5 vs GPT-4.1 Nano12 shared evalsGPT-5 Nano vs GPT-6 Astra10 shared evalsGLM 5 vs GPT-6 Astra7 shared evals
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