Claude Sonnet 4.5 vs GPT-4.1 Mini
Head to head on 35 shared benchmarks, with price, context window, and release dates.
Benchmark scores
186evals · sort by any column, ⤢ to expand fullscreen
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| GPT-4.1 Mini OpenAI | 60.0% | 46.3% | 62.3% | 57.9% | 13.0% | 53.6% | 1144elo | 43.3% | 4.5% | 18.7% | 66.4% | 65.0% | 56.8% | 0.0% | 100.0% | 5.0% | 38.3% | 62.4% | 26.7% | 48.3% | 0.35 | 92.5% | 2.61 | 5 | 78.1% | 65.5% | 60.0% | 93.0% | 40.4% | 0 | 23.9% | 71.9% | 7.6% | 29.0% | 52.9% | -0.17 | 100.0% | 0.0% | - | 3 | 32.4% | 43.0% | - | - | 98.2% | - | 0.0% | 28.2% | -1 | 1.07 | 89.9% | - | 100 | 83.62 | 0.79 | 0.0% | -0.04 | 0.0% | 0.0% | 1.11 | 1.11 | 1.01 | 204.5 | - | 40.0% | 41.7% | 1.45 | 34.5% | 3.6% | 17.4% | 3.3% | 9.0% | 80.0% | 80.0% | - | 83.4% | 48.6% | - | - | - | 100.0% | 58.2% | 52.9% | 0.0% | 1.5% | 50.0% | - | - | 100.0% | 3.47 | 3.47 | 1.55 | - | 63.3% | 0.0% | 0.0% | 67.5% | 40.2% | - | 83.5% | - | 6.7% | 43.8% | - | - | - | - | - | - | - | 45.4% | 80.0% | - | 100.0% | 93.3% | 100.0% | 0.0% | 100.0% | - | 77.9% | - | 0.0% | 64.0% | 64.0% | 20.0% | 26.7% | 54.5% | - | 20.0% | - | 20.0% | 30.0% | 19.5% | 96.5% | 52.0% | - | - | 30.0% | 30.0% | - | - | - | - | 0.0% | 46.8% | - | 40.6% | - | 100.0% | 88.2% | 100.0% | 20.0% | - | 33.3% | 100.0% | 73.3% | 100.0% | 1.14 | 56.72 | 10.0% | - | - | - | - | 100.0% | - | 100.0% | - | - | - | 0.0% | 100.0% | 37.6% | - | 1.04 | 100.0% | 100.0% | 45.6% | 93.3% | 100.0% | - | 90.0% | 29.0% | 82.0% | 82.0% | - | 50.8% |
| Claude Sonnet 4.5 Anthropic | 0.0% | 37.0% | 0.0% | 60.8% | 0.0% | 0.0% | 1675elo | 0.0% | 15.2% | 0.0% | 72.7% | 0.0% | 0.0% | 0.0% | 0.0% | 7.2% | 42.7% | 0.0% | 0.0% | 59.0% | 0.75 | 0.0% | 0 | 0 | 86.0% | 64.0% | 0.0% | 0.0% | 42.8% | 0 | 74.8% | 73.3% | 28.8% | 0.0% | 70.5% | - | - | - | 0.0% | - | - | - | 100 | 0.0% | - | 0.0% | - | - | - | - | - | 5.0% | - | - | - | - | - | - | - | - | - | - | - | 0.0% | - | - | - | - | - | - | - | - | - | - | 0.0% | - | - | 0.0% | 71.4 | 0.0% | - | - | - | - | - | - | 0.0% | 83.9% | - | - | - | - | 0.0% | - | - | - | - | - | 87.5% | - | 83.8% | - | - | 70.7% | 80.4% | 57.0% | 53.4% | 76.5% | 79.3% | 77.6% | - | - | 0.75 | - | - | - | - | - | 40.6% | - | 84.5% | - | - | - | - | - | - | 0.0% | - | 0.0% | - | - | - | - | - | 62.9% | 0.0% | - | - | 0.0% | 19.0% | 0.0% | 0.0% | - | - | 0.0% | - | 32.9% | - | - | - | - | 0.0% | - | - | - | - | - | - | - | 0.0% | 0.0% | 77.2% | 67.0% | - | 0.0% | - | 0 | 0 | 50.34 | - | - | - | 0 | - | - | - | - | - | - | 22.6% | - | - | - | - | 1.49 | 27.5% |
2 / 2 models
| Attribute | Claude Sonnet 4.5 Anthropic | GPT-4.1 Mini OpenAI |
|---|---|---|
| Description | anthropic/claude-sonnet-4.5 is an AI model. | GPT-4.1 Mini is an AI model from OpenAI. |
| Family | Claude | GPT |
| Params | Undisclosed (closed) | - |
| Open weights | closed | closed |
| License | Proprietary | proprietary |
| Released | 29 Sep 2025 | 14 Apr 2025 |
| Context | 1,000,000 | 1,047,576 |
| Input $/1M | $3.00 | $0.40 |
| Output $/1M | $15.00 | $1.60 |
| Cache read $/1M | $0.300 | $0.100 |
| Cache write $/1M | $3.750 | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, file | image, text, file |
| Providers | anthropic, aws-bedrock, vertex-ai | - |
| Publisher | Anthropic | OpenAI |
| Reported scores | TaxEval v273.3% LiveBench - Math79.3% (LiveBench) LiveBench - Coding80.4% (LiveBench) LiveBench - Language76.5% (LiveBench) LiveBench - Data Analysis57.0% (LiveBench) |
FAQ
- Is Claude Sonnet 4.5 or GPT-4.1 Mini better?
- Across the 35 benchmarks both models report on Sophon, GPT-4.1 Mini leads on 19 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Sonnet 4.5 and GPT-4.1 Mini compare on GPQA Diamond?
- Claude Sonnet 4.5 scores 72.7% and GPT-4.1 Mini scores 66.4% on GPQA Diamond.
- Which is cheaper, Claude Sonnet 4.5 or GPT-4.1 Mini?
- GPT-4.1 Mini is cheaper at $1.60 per million output tokens against $15.00 for Claude Sonnet 4.5 - about 9.4x.
- When were Claude Sonnet 4.5 and GPT-4.1 Mini released?
- Claude Sonnet 4.5 was released 29 Sep 2025 by Anthropic. GPT-4.1 Mini was released 14 Apr 2025 by OpenAI.
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