Claude 4 Sonnet vs gpt-oss-120b
Head to head on 21 shared benchmarks, with price, context window, and release dates.
Benchmark scores
50evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude 4 Sonnet Anthropic | 74.3% | 54.7% | 1483elo | 58.4 | 77.7% | 10.7% | 54.7% | 64.8% | 77.5% | 54.6% | 44.3% | 72.9% | 70.5% | 69.0% | 65.5% | 84.2% | 40.0% | 74.6% | 69.6% | 31.1% | 64.6% | - | 77.3% | - | - | 22.9% | 47.8% | - | 19.8% | 67.5% | - | - | - | 99.1% | 33.9% | 72.4% | 86.7% | - | 62.5% | 43.9% | 6.18 | 6.18 | 35.0% | - | 58.3% | 35.6% | - | 0.59 | 84.0% | 84.0% | 59.6% |
| gpt-oss-120b OpenAI | 93.4% | 58.2% | 961elo | 35.8 | 78.2% | 19.6% | 69.0% | 51.0% | 60.2% | 38.8% | 50.3% | 48.6% | 68.9% | 39.2% | 87.8% | 80.8% | 34.0% | 26.0% | 71.6% | 23.5% | 65.8% | 41.8% | - | 38.9% | 7.6% | - | - | 11.0% | - | - | 57.6 | 1.62 | 1.53 | - | - | - | - | 80.0% | - | - | - | - | - | 97.9% | - | - | 65.6% | - | - | - | 54.1% |
2 / 2 models
| Attribute | Claude 4 Sonnet Anthropic | gpt-oss-120b OpenAI |
|---|---|---|
| Description | Claude 4 Sonnet is an AI model from Anthropic. | GPT-Oss 120b is an AI model from OpenAI, released with open weights. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | closed | open |
| License | proprietary | apache-2.0 |
| Released | 22 May 2025 | 5 Aug 2025 |
| Context | 200,000 | 131,072 |
| Input $/1M | - | $0.15 |
| Output $/1M | - | $0.59 |
| Cache read $/1M | - | $0.075 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 209 tok/s |
| Latency | 0.00 s | 0.51 s |
| Modalities | text, image | text |
| Providers | - | - |
| Publisher | Anthropic | OpenAI |
| Reported scores | GPQA Diamond78.2% (AA) Humanity's Last Exam (HLE)19.6% (AA) LiveCodeBench87.8% (AA) MMLU-Pro80.8% (AA) SciCode34.0% (AA) |
FAQ
- Is Claude 4 Sonnet or gpt-oss-120b better?
- Across the 21 benchmarks both models report on Sophon, Claude 4 Sonnet leads on 12 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude 4 Sonnet and gpt-oss-120b compare on GPQA Diamond?
- Claude 4 Sonnet scores 77.7% and gpt-oss-120b scores 78.2% on GPQA Diamond.
- When were Claude 4 Sonnet and gpt-oss-120b released?
- Claude 4 Sonnet was released 22 May 2025 by Anthropic. gpt-oss-120b was released 5 Aug 2025 by OpenAI.
Other head-to-heads
56Claude 4 Sonnet vs GPT-5 Mini29 shared evalsClaude 4 Sonnet vs Claude Sonnet 4.528 shared evalsClaude 4 Sonnet vs Claude Opus 4.526 shared evalsGPT-5 Mini vs gpt-oss-120b25 shared evalsClaude 4 Sonnet vs GPT-525 shared evalsClaude 4 Sonnet vs GPT-5 Nano25 shared evalsClaude 4 Sonnet vs GPT-5.225 shared evalsClaude 4 Sonnet vs Gemini 2.5 Pro25 shared evalsClaude 4 Sonnet vs Grok 4.1 Fast24 shared evalsClaude Sonnet 4.5 vs gpt-oss-120b23 shared evalsClaude 4 Sonnet vs GPT-5.523 shared evalsClaude 4 Sonnet vs Gemini 3.1 Pro Preview23 shared evalsClaude 4 Sonnet vs Kimi K2.523 shared evalsDeepSeek V3.2 vs gpt-oss-120b23 shared evalsGPT-5 Nano vs gpt-oss-120b22 shared evalsGPT-5.2 vs gpt-oss-120b22 shared evalsClaude 4 Sonnet vs Claude Opus 4.822 shared evalsClaude 4 Sonnet vs Claude Fable 522 shared evalsClaude 4 Sonnet vs Claude Opus 4.622 shared evalsClaude 4 Sonnet vs GPT-5.422 shared evalsClaude 4 Sonnet vs GLM 4.722 shared evalsClaude Opus 4.5 vs gpt-oss-120b21 shared evalsClaude 4 Sonnet vs Claude Opus 4.721 shared evalsClaude 4 Sonnet vs DeepSeek V3.221 shared evalsClaude 4 Sonnet vs Claude Sonnet 4.620 shared evalsClaude 4 Sonnet vs GLM 5.120 shared evalsClaude 4 Sonnet vs GPT-4o20 shared evalsgpt-oss-120b vs Grok 4.1 Fast20 shared evalsGLM 4.7 vs gpt-oss-120b20 shared evalsClaude 4 Sonnet vs GPT-4.1 Mini19 shared evalsGPT-5.5 vs gpt-oss-120b19 shared evalsClaude 4 Sonnet vs GPT-4.119 shared evalsClaude 4 Sonnet vs Qwen3.6 Plus19 shared evalsClaude 4 Sonnet vs GPT-5.4 Mini19 shared evalsClaude Opus 4.6 vs gpt-oss-120b19 shared evalsgpt-oss-120b vs Kimi K2.519 shared evalsGLM 5.1 vs gpt-oss-120b19 shared evalsGemini 2.5 Pro vs gpt-oss-120b19 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 4 Sonnet vs GPT-4o-mini18 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 evalsGPT-5 vs gpt-oss-120b17 shared evalsGPT-4o vs gpt-oss-120b17 shared evalsGPT-5.4 Mini vs gpt-oss-120b17 shared evalsClaude 4 Sonnet vs GPT-4.1 Nano16 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 evalsGPT-4o-mini vs gpt-oss-120b15 shared evalsGPT-4.1 Nano vs gpt-oss-120b14 shared evalsClaude 4 Sonnet vs GPT-6 Astra8 shared evalsGPT-6 Astra vs gpt-oss-120b6 shared evals
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