Claude Sonnet 4.6 vs GPT-5.4 Mini
Head to head on 28 shared benchmarks, with price, context window, and release dates.
Benchmark scores
37evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Sonnet 4.6 Anthropic | 47.6% | 65.3% | 1805elo | 79.9 | 51.0% | 32.4% | 79.7% | 11.2% | 42.4% | 92.2% | 78.4% | 80.0% | 76.1% | 63.9% | 77.7% | 86.5% | 86.4% | 67.7% | 45.0% | 46.6% | 44.1% | 77.1% | 42.4% | 76.3 | 50.6% | 60.6% | 51.5% | 78.9% | 87.1% | 47.2% | 1.35 | 78.0% | - | - | 1207elo | 89.3 | 72.1% | 62.8% |
| GPT-5.4 Mini OpenAI | 37.0% | 60.9% | 1662elo | 73 | 45.4% | 28.3% | 60.6% | 5.9% | 38.8% | 80.3% | 70.9% | 71.6% | 70.9% | 60.3% | 71.5% | 78.6% | 72.5% | 63.5% | 21.0% | 50.8% | 39.6% | 71.2% | 18.2% | 61.7 | 39.6% | 54.2% | 48.0% | 23.4% | - | - | - | - | 21.2% | 3.9% | - | - | - | 48.4% |
2 / 2 models
| Attribute | Claude Sonnet 4.6 Anthropic | GPT-5.4 Mini OpenAI |
|---|---|---|
| Description | Claude Sonnet 4.6 is an AI model from Anthropic. | GPT-5.4 mini is an AI model from OpenAI. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 17 Feb 2026 | 17 Mar 2026 |
| Context | 1,000,000 | 400,000 |
| Input $/1M | $3.00 | $0.75 |
| Output $/1M | $15.00 | $4.50 |
| Cache read $/1M | $0.300 | $0.075 |
| Cache write $/1M | $3.750 | - |
| Speed | 45 tok/s | 0 tok/s |
| Latency | 1.12 s | 0.00 s |
| Modalities | text, image, file | file, image, text |
| Providers | - | - |
| Publisher | Anthropic | OpenAI |
| Reported scores | GPQA Diamond79.7% (AA) Humanity's Last Exam (HLE)11.2% (AA) IFBench42.4% (AA) SciCode44.1% (AA) τ²-bench (Tau²-bench)78.9% (AA) |
FAQ
- Is Claude Sonnet 4.6 or GPT-5.4 Mini better?
- Across the 28 benchmarks both models report on Sophon, Claude Sonnet 4.6 leads on 27 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Sonnet 4.6 and GPT-5.4 Mini compare on GPQA Diamond?
- Claude Sonnet 4.6 scores 79.7% and GPT-5.4 Mini scores 60.6% on GPQA Diamond.
- Which is cheaper, Claude Sonnet 4.6 or GPT-5.4 Mini?
- GPT-5.4 Mini is cheaper at $4.50 per million output tokens against $15.00 for Claude Sonnet 4.6 - about 3.3x.
- When were Claude Sonnet 4.6 and GPT-5.4 Mini released?
- Claude Sonnet 4.6 was released 17 Feb 2026 by Anthropic. GPT-5.4 Mini was released 17 Mar 2026 by OpenAI.
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