Claude Opus 4.8 vs GPT-4.1
Head to head on 11 shared benchmarks, with price, context window, and release dates.
Benchmark scores
69evals · sort by any column, ⤢ to expand fullscreen
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| Claude Opus 4.8 Anthropic | 66.7% | 1835elo | 47.2% | 92.0% | 48.7% | 62.2% | 69.9% | 53.5% | 75.6% | 58.3% | 94.4% | - | - | - | - | - | - | 15.5% | - | 80.4% | 14.5% | - | - | 67.0% | - | 1281elo | 80.8 | 40.0% | 53.9% | 13.4% | 22.5% | 1890elo | - | 56.9% | 10.4% | 80.1% | 79.3% | 78.3% | 67.4% | 81.4% | 84.3% | 89.7% | - | - | - | - | - | 91.8% | - | - | 53.2% | - | 85.8% | - | - | 83.4% | 69.0% | 54.8% | - | - | - | 69.2% | - | 82.7% | 60.9% | 70.9% | 82.7% | - | - | 63.4% |
| GPT-4.1 OpenAI | 63.1% | 1417elo | 5.5% | 66.6% | 4.2% | 43.0% | 65.9% | 38.1% | 75.1% | 13.6% | 47.1% | 0.0% | 52.4% | 43.7% | 34.7% | 26.7% | 61.5% | - | 1.64 | - | - | 83.7% | 1.55 | - | 12.4% | - | - | - | - | - | - | - | 60.9% | - | - | - | - | - | - | - | - | - | 45.7% | 70.8% | 0.49 | 0.49 | 91.3% | - | 32.1% | 32.1% | - | 69.4% | - | 80.6% | 50.5% | - | - | - | 8.57 | 31.1% | 39.6% | - | 10.0% | - | - | - | - | 92.0% | 92.0% | 48.0% |
2 / 2 models
| Attribute | Claude Opus 4.8 Anthropic | GPT-4.1 OpenAI |
|---|---|---|
| Description | Claude Opus 4.8 (Adaptive Reasoning, Max Effort) is an AI model from Anthropic. | GPT-4.1 is an AI model from OpenAI. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | - | closed |
| License | - | proprietary |
| Released | 28 May 2026 | 14 Apr 2025 |
| Context | 1,000,000 | 1,047,576 |
| Input $/1M | $5.00 | $2.00 |
| Output $/1M | $25.00 | $8.00 |
| Cache read $/1M | $0.500 | $0.500 |
| Cache write $/1M | $6.250 | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, file | image, text, file |
| Providers | - | - |
| Publisher | Anthropic | OpenAI |
| Reported scores | ScholarSearch8.57 Social Sciences & Humanities (%) GPQA Diamond66.6% (AA) Humanity's Last Exam (HLE)4.2% (AA) IFBench43.0% (AA) |
FAQ
- Is Claude Opus 4.8 or GPT-4.1 better?
- Across the 11 benchmarks both models report on Sophon, Claude Opus 4.8 leads on 11 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Opus 4.8 and GPT-4.1 compare on GPQA Diamond?
- Claude Opus 4.8 scores 92.0% and GPT-4.1 scores 66.6% on GPQA Diamond.
- Which is cheaper, Claude Opus 4.8 or GPT-4.1?
- GPT-4.1 is cheaper at $8.00 per million output tokens against $25.00 for Claude Opus 4.8 - about 3.1x.
- When were Claude Opus 4.8 and GPT-4.1 released?
- Claude Opus 4.8 was released 28 May 2026 by Anthropic. GPT-4.1 was released 14 Apr 2025 by OpenAI.
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