Claude Opus 4.5 vs GPT-4.1 Mini
Head to head on 16 shared benchmarks, with price, context window, and release dates.
Benchmark scores
164evals · sort by any column, ⤢ to expand fullscreen
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| Claude Opus 4.5 Anthropic | 62.7% | 61.3% | 1683elo | 20.7% | 81.0% | 12.13 | 13.2% | 43.0% | 73.8% | 88.9% | 68.7% | 47.0% | 79.2% | 74.3% | 40.9% | 86.3% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 16.7% | - | - | - | - | - | - | - | - | - | - | - | 35.6% | 6.1% | - | - | - | - | - | 73.1 | - | - | - | - | - | - | - | - | 84.7% | - | - | - | - | - | - | - | - | - | - | - | - | 83.8% | - | 83.5% | - | - | - | - | 78.1% | 79.7% | 74.4% | 62.5% | 81.3% | 90.4% | 80.1% | - | - | - | - | - | - | - | - | - | - | 45.2% | - | 83.2% | - | - | - | - | - | - | - | - | 100.0% | - | - | - | - | 37.4 | - | - | - | 36.0% | 77.5% | - | - | - | - | - | 45.0% | - | - | - | - | - | 45.3 | - | - | - | - | - | - | - | 70.7% | - | - | 61.8 | - | - | - | - | - | - | - | - | - | 20.6% | - | - | - | - | - | 62.2% |
| GPT-4.1 Mini OpenAI | 46.3% | 57.9% | 1144elo | 4.5% | 66.4% | 3.47 | 5.0% | 38.3% | 48.3% | 78.1% | 65.5% | 40.4% | 23.9% | 71.9% | 7.6% | 52.9% | -0.17 | 60.0% | 100.0% | 0.0% | 3 | 32.4% | 43.0% | 98.2% | 0.0% | 28.2% | -1 | 1.07 | 62.3% | 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% | 13.0% | 53.6% | 3.6% | 17.4% | 3.3% | - | - | 9.0% | 80.0% | 80.0% | 83.4% | 48.6% | - | 43.3% | 100.0% | 58.2% | 52.9% | 0.0% | 1.5% | 18.7% | 50.0% | - | 65.0% | 56.8% | 0.0% | 100.0% | 3.47 | 1.55 | 100.0% | 63.3% | 0.0% | 0.0% | 67.5% | 40.2% | - | 83.5% | - | 6.7% | 62.4% | 43.8% | 26.7% | - | - | - | - | - | - | - | 45.4% | 80.0% | 0.35 | 100.0% | 93.3% | 100.0% | 92.5% | 2.61 | 0.0% | 100.0% | - | 77.9% | - | 5 | 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% | - | - | 60.0% | 0.0% | 46.8% | 93.0% | 40.6% | - | 100.0% | 88.2% | 100.0% | 20.0% | 33.3% | - | 100.0% | 73.3% | 100.0% | 1.14 | 56.72 | 0 | 10.0% | - | 100.0% | 100.0% | - | 0.0% | 100.0% | 37.6% | 1.04 | 100.0% | 100.0% | 45.6% | 93.3% | 100.0% | - | 29.0% | 90.0% | 29.0% | 82.0% | 82.0% | 50.8% |
2 / 2 models
| Attribute | Claude Opus 4.5 Anthropic | GPT-4.1 Mini OpenAI |
|---|---|---|
| Description | Claude Opus 4.5 is an AI model from Anthropic. | GPT-4.1 Mini is an AI model from OpenAI. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 24 Nov 2025 | 14 Apr 2025 |
| Context | 200,000 | 1,047,576 |
| Input $/1M | $5.00 | $0.40 |
| Output $/1M | $25.00 | $1.60 |
| Cache read $/1M | $0.500 | $0.100 |
| Cache write $/1M | $6.250 | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | file, image, text | image, text, file |
| Providers | - | - |
| Publisher | Anthropic | OpenAI |
| Reported scores |
FAQ
- Is Claude Opus 4.5 or GPT-4.1 Mini better?
- Across the 16 benchmarks both models report on Sophon, Claude Opus 4.5 leads on 16 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Opus 4.5 and GPT-4.1 Mini compare on GPQA Diamond?
- Claude Opus 4.5 scores 81.0% and GPT-4.1 Mini scores 66.4% on GPQA Diamond.
- Which is cheaper, Claude Opus 4.5 or GPT-4.1 Mini?
- GPT-4.1 Mini is cheaper at $1.60 per million output tokens against $25.00 for Claude Opus 4.5 - about 15.6x.
- When were Claude Opus 4.5 and GPT-4.1 Mini released?
- Claude Opus 4.5 was released 24 Nov 2025 by Anthropic. GPT-4.1 Mini was released 14 Apr 2025 by OpenAI.
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