GLM 5 vs gpt-oss-120b
Head to head on 18 shared benchmarks, with price, context window, and release dates.
Benchmark scores
42evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GLM 5 Zai | 62.9% | 1598elo | 70.9 | 66.6% | 7.6% | 55.2% | 71.2% | 73.6% | 67.9% | 55.3% | 77.5% | 83.5% | 69.1% | 38.3% | 72.8% | 70.0% | 39.4% | 97.4% | - | - | - | - | - | 7.9% | 24.7% | 16.4% | - | 97.9 | 82.7% | 48395 | - | - | - | 65.2% | - | - | - | 73.3 | 69.7% | 61.12 | - | 23.4% | 56.4% |
| gpt-oss-120b OpenAI | 58.2% | 959elo | 35.8 | 67.2% | 5.9% | 58.3% | 51.0% | 60.2% | 38.8% | 50.3% | 48.6% | 68.9% | 39.2% | 36.0% | 26.0% | 71.6% | 5.3% | 45.0% | 41.8% | 66.7% | 38.9% | 7.6% | 13.0% | - | - | - | 57.6 | - | - | - | 70.7% | 1.62 | 1.53 | - | 80.0% | 77.5% | 97.9% | - | - | - | 65.6% | - | 49.6% |
2 / 2 models
| Attribute | GLM 5 Zai | gpt-oss-120b OpenAI |
|---|---|---|
| Description | GLM-5 is an AI model from Zai, released with open weights. | GPT-Oss 120b is an AI model from OpenAI, released with open weights. |
| Family | Glm | GPT |
| Params | - | - |
| Open weights | open | open |
| License | mit | apache-2.0 |
| Released | 11 Feb 2026 | 5 Aug 2025 |
| Context | 204,800 | 131,072 |
| Input $/1M | $1.00 | $0.15 |
| Output $/1M | $3.20 | $0.60 |
| Cache read $/1M | $0.120 | $0.030 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 186 tok/s |
| Latency | 0.00 s | 0.50 s |
| Modalities | text | text |
| 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) | GPQA Diamond67.2% (AA) Humanity's Last Exam (HLE)5.9% (AA) LiveCodeBench70.7% (AA) MMLU-Pro77.5% (AA) SciCode36.0% (AA) |
FAQ
- Is GLM 5 or gpt-oss-120b better?
- Across the 18 benchmarks both models report on Sophon, GLM 5 leads on 15 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GLM 5 and gpt-oss-120b compare on GPQA Diamond?
- GLM 5 scores 66.6% and gpt-oss-120b scores 67.2% on GPQA Diamond.
- Which is cheaper, GLM 5 or gpt-oss-120b?
- gpt-oss-120b is cheaper at $0.60 per million output tokens against $3.20 for GLM 5 - about 5.3x.
- When were GLM 5 and gpt-oss-120b released?
- GLM 5 was released 11 Feb 2026 by Zai. gpt-oss-120b was released 5 Aug 2025 by OpenAI.
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