Claude Opus 4.6 vs GPT-5 Mini
Head to head on 28 shared benchmarks, with price, context window, and release dates.
Benchmark scores
76evals · sort by any column, ⤢ to expand fullscreen
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| Claude Opus 4.6 Anthropic | 1.5 | 2.08 | 67.0% | 1809elo | 77.7 | 40.7% | 89.6% | 39.9% | 53.1% | 78.8% | 78.2% | 69.9% | 63.3% | 83.3% | 89.3% | 88.7% | 48.2% | 86.7% | 68.5% | 50.0% | 51.6% | 51.9% | 72.0% | 75.6% | 76.0% | 46.2% | 57.6% | 92.1% | - | - | 99.79 | - | 56.1% | - | - | - | - | - | 69.0% | - | - | - | - | - | 1223elo | - | - | - | - | - | - | - | 84.9% | 88771 | 58 | - | - | - | - | 78.5% | - | - | 93 | - | - | 44.5 | - | 80.6 | - | - | - | - | - | - | - | - | 68.1% |
| GPT-5 Mini OpenAI | 1.13 | 1.7 | 60.2% | 1313elo | 56.2 | 27.2% | 82.8% | 21.5% | 75.4% | 69.1% | 68.2% | 55.2% | 65.3% | 75.5% | 82.2% | 68.3% | 43.0% | 80.6% | 66.9% | 9.0% | 43.0% | 39.0% | 39.7% | 59.8% | 75.2% | 33.3% | 14.2% | 68.4% | 0.0% | 90.7% | - | 0.0% | - | 0.0% | -0.15 | 20.0% | 25.0% | 40.0% | - | 100.0% | 18.1% | 2.8% | 100.0% | 66.7% | - | 0.0% | 88.3% | 60.0% | 100.0% | 90.0% | 47.2% | 80.0% | - | - | - | 83.8% | 0.0% | 1.54 | 1.54 | - | 80.0% | 83.7% | - | 16.8% | 4.95 | - | 0.0% | - | 9.5% | 0.0% | 86.1% | 0.49 | 39.21 | 272.11 | 86.0% | 86.0% | 51.6% |
2 / 2 models
| Attribute | Claude Opus 4.6 Anthropic | GPT-5 Mini OpenAI |
|---|---|---|
| Description | Claude Opus 4.6 is an AI model from Anthropic. | GPT-5 mini is an AI model from OpenAI. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 5 Feb 2026 | 7 Aug 2025 |
| Context | 1,000,000 | 400,000 |
| Input $/1M | $5.00 | $0.25 |
| Output $/1M | $25.00 | $2.00 |
| Cache read $/1M | $0.500 | $0.025 |
| Cache write $/1M | $6.250 | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, file | text, image, file |
| Providers | - | - |
| Publisher | Anthropic | OpenAI |
| Reported scores | GPQA Diamond89.6% (AA) Humanity's Last Exam (HLE)39.9% (AA) SciCode51.9% (AA) τ²-bench (Tau²-bench)92.1% (AA) Terminal-Bench (Hard)46.2% (AA) |
FAQ
- Is Claude Opus 4.6 or GPT-5 Mini better?
- Across the 28 benchmarks both models report on Sophon, Claude Opus 4.6 leads on 26 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Opus 4.6 and GPT-5 Mini compare on GPQA Diamond?
- Claude Opus 4.6 scores 89.6% and GPT-5 Mini scores 82.8% on GPQA Diamond.
- Which is cheaper, Claude Opus 4.6 or GPT-5 Mini?
- GPT-5 Mini is cheaper at $2.00 per million output tokens against $25.00 for Claude Opus 4.6 - about 12.5x.
- When were Claude Opus 4.6 and GPT-5 Mini released?
- Claude Opus 4.6 was released 5 Feb 2026 by Anthropic. GPT-5 Mini was released 7 Aug 2025 by OpenAI.
Other head-to-heads
56GPT-5 Mini vs GPT-5 Nano38 shared evalsGPT-5 vs GPT-5 Mini36 shared evalsClaude Opus 4.6 vs GPT-5.433 shared evalsGPT-4.1 Mini vs GPT-5 Mini32 shared evalsGPT-5 Mini vs GPT-5.232 shared evalsClaude Sonnet 4.5 vs GPT-5 Mini31 shared evalsClaude Opus 4.5 vs GPT-5 Mini31 shared evalsClaude Opus 4.6 vs Gemini 3.1 Pro Preview31 shared evalsClaude Opus 4.6 vs Kimi K2.531 shared evalsClaude Opus 4.6 vs GPT-5.230 shared evalsClaude 4 Sonnet vs GPT-5 Mini29 shared evalsClaude Opus 4.6 vs Claude Opus 4.729 shared evalsClaude Opus 4.6 vs Claude Sonnet 4.528 shared evalsClaude Opus 4.6 vs GPT-5.528 shared evalsClaude Opus 4.6 vs Claude Opus 4.828 shared evalsClaude Opus 4.5 vs Claude Opus 4.628 shared evalsClaude Opus 4.6 vs Claude Sonnet 4.628 shared evalsGemini 3.1 Pro Preview vs GPT-5 Mini27 shared evalsGPT-5 Mini vs GPT-5.427 shared evalsClaude Opus 4.6 vs GLM 5.127 shared evalsDeepSeek V3.2 vs GPT-5 Mini26 shared evalsGemini 2.5 Pro vs GPT-5 Mini26 shared evalsGPT-5 Mini vs Grok 4.1 Fast26 shared evalsClaude Fable 5 vs Claude Opus 4.626 shared evalsClaude Opus 4.6 vs DeepSeek V3.226 shared evalsGPT-5 Mini vs GPT-5.525 shared evalsGPT-5 Mini vs Kimi K2.525 shared evalsGLM 5.1 vs GPT-5 Mini25 shared evalsClaude Opus 4.7 vs GPT-5 Mini25 shared evalsGPT-5 Mini vs gpt-oss-120b25 shared evalsGLM 4.7 vs GPT-5 Mini25 shared evalsClaude Opus 4.6 vs Grok 4.1 Fast25 shared evalsClaude Opus 4.6 vs GPT-5.4 Mini25 shared evalsClaude Opus 4.8 vs GPT-5 Mini24 shared evalsGPT-5.4 Mini vs GPT-5 Mini24 shared evalsClaude Opus 4.6 vs Qwen3.6 Plus24 shared evalsClaude Fable 5 vs GPT-5 Mini23 shared evalsClaude Sonnet 4.6 vs GPT-5 Mini23 shared evalsClaude Opus 4.6 vs GPT-5 Nano23 shared evalsGPT-4.1 vs GPT-5 Mini22 shared evalsClaude 4 Sonnet vs Claude Opus 4.622 shared evalsGPT-4.1 Nano vs GPT-5 Mini21 shared evalsGPT-5 Mini vs Qwen3.6 Plus21 shared evalsClaude Opus 4.6 vs Gemini 2.5 Pro21 shared evalsClaude Opus 4.6 vs GLM 4.721 shared evalsGPT-4o vs GPT-5 Mini20 shared evalsClaude Opus 4.6 vs GPT-519 shared evalsClaude Opus 4.6 vs gpt-oss-120b19 shared evalsGPT-4o-mini vs GPT-5 Mini18 shared evalsClaude Opus 4.6 vs GPT-4o15 shared evalsClaude Opus 4.6 vs GPT-4.1 Mini13 shared evalsClaude Opus 4.6 vs GPT-4.113 shared evalsClaude Opus 4.6 vs GPT-6 Astra13 shared evalsGPT-5 Mini vs GPT-6 Astra12 shared evalsClaude Opus 4.6 vs GPT-4o-mini12 shared evalsClaude Opus 4.6 vs GPT-4.1 Nano12 shared evals
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