GLM 5 vs gpt-oss-120b
Head to head on 19 shared benchmarks, with price, context window, and release dates.
Benchmark scores
42evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GLM 5 Zai | 96.7% | 62.9% | 1601elo | 70.9 | 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% | - | - | - | - | 7.9% | 24.7% | 16.4% | - | 97.9 | 82.7% | 48395 | - | - | - | 65.2% | - | - | - | 73.3 | 69.7% | 61.12 | - | 23.4% | 61.2% |
| gpt-oss-120b OpenAI | 90.0% | 58.2% | 956elo | 35.8 | 75.8% | 19.6% | 69.0% | 51.0% | 60.2% | 38.8% | 50.3% | 48.6% | 68.9% | 39.2% | 34.0% | 26.0% | 71.6% | 23.5% | 65.8% | 41.8% | 38.9% | 7.6% | 11.0% | - | - | - | 57.6 | - | - | - | 87.8% | 1.62 | 1.53 | - | 80.0% | 80.8% | 97.9% | - | - | - | 65.6% | - | 53.9% |
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 | $0.200 | $0.075 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 231 tok/s |
| Latency | 0.00 s | 0.48 s |
| Modalities | text | text |
| 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) | GPQA Diamond75.8% Humanity's Last Exam (HLE)19.6% (AA) LiveCodeBench87.8% (AA) MMLU-Pro80.8% (AA) SciCode34.0% |
FAQ
- Is GLM 5 or gpt-oss-120b 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-oss-120b compare on GPQA Diamond?
- GLM 5 scores 87.8% and gpt-oss-120b scores 75.8% 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.
Other head-to-heads
56GLM 5 vs Kimi K2.527 shared evalsGPT-5 Mini vs gpt-oss-120b25 shared evalsClaude Sonnet 4.5 vs GLM 524 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 evalsClaude Sonnet 4.5 vs gpt-oss-120b23 shared evalsDeepSeek V3.2 vs gpt-oss-120b23 shared evalsGLM 5 vs GPT-5 Mini22 shared evalsGPT-5 Nano vs gpt-oss-120b22 shared evalsGPT-5.2 vs gpt-oss-120b22 shared evalsGLM 5 vs GPT-5.422 shared evalsGemini 3.1 Pro Preview vs GLM 521 shared evalsClaude Opus 4.5 vs gpt-oss-120b21 shared evalsClaude 4 Sonnet vs gpt-oss-120b21 shared evalsGLM 5 vs Grok 4.1 Fast21 shared evalsGLM 5 vs GPT-5.520 shared evalsClaude Opus 4.8 vs GLM 520 shared evalsgpt-oss-120b vs Kimi K2.520 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-oss-120b vs Grok 4.1 Fast20 shared evalsGLM 4.7 vs gpt-oss-120b20 shared evalsGPT-5.5 vs gpt-oss-120b19 shared evalsGLM 5 vs GPT-5 Nano19 shared evalsClaude 4 Sonnet vs GLM 519 shared evalsClaude Opus 4.6 vs gpt-oss-120b19 shared evalsGLM 5.1 vs gpt-oss-120b19 shared evalsGemini 2.5 Pro vs gpt-oss-120b19 shared evalsGLM 4.7 vs GLM 519 shared evalsGemini 3.1 Pro Preview vs gpt-oss-120b18 shared evalsClaude Opus 4.8 vs gpt-oss-120b18 shared evalsClaude Fable 5 vs gpt-oss-120b18 shared evalsClaude Fable 5 vs GLM 518 shared evalsGPT-5.4 vs gpt-oss-120b18 shared evalsClaude Sonnet 4.6 vs gpt-oss-120b18 shared evalsClaude Opus 4.7 vs gpt-oss-120b18 shared evalsGemini 2.5 Pro vs GLM 518 shared evalsGPT-5 vs gpt-oss-120b17 shared evalsGPT-4o vs gpt-oss-120b17 shared evalsGPT-4.1 vs gpt-oss-120b16 shared evalsgpt-oss-120b vs Qwen3.6 Plus16 shared evalsGPT-4.1 Mini vs gpt-oss-120b15 shared evalsGLM 5 vs GPT-515 shared evalsGPT-4o-mini vs gpt-oss-120b15 shared evalsGLM 5 vs GPT-4o15 shared evalsGPT-4.1 Nano vs gpt-oss-120b14 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 evalsGLM 5 vs GPT-6 Astra7 shared evalsGPT-6 Astra vs gpt-oss-120b6 shared evals
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