Claude Fable 5 vs GPT-4.1 Mini
Head to head on 10 shared benchmarks, with price, context window, and release dates.
Benchmark scores
169evals · sort by any column, ⤢ to expand fullscreen
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| Claude Fable 5 Anthropic | 71.8% | 1933elo | 92.6% | 55.5% | 63.5% | 68.9% | 60.2% | 76.9% | 62.9% | 98.5% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 17.4% | - | - | - | 83.9% | - | - | 38.6% | - | - | - | - | - | - | - | - | - | - | - | - | - | 90.0% | - | - | - | - | - | - | - | 1340elo | 83 | 78.0% | - | - | 56.3% | - | - | - | 29.3% | - | - | - | 29.8% | 1932elo | - | - | - | - | - | - | - | - | 66.0% | - | - | - | - | - | - | - | - | 13.3% | - | - | - | 81.4% | 78.6% | 80.0% | 59.9% | 88.5% | 93.9% | 87.3% | - | - | - | - | - | - | - | - | - | - | - | 56.1% | - | 88.5% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 85.0% | - | - | 95.0% | - | - | - | - | - | 51.9% | - | - | - | - | - | - | - | - | - | - | - | - | - | 80.3% | - | - | 88.0% | - | - | - | - | - | - | - | 66.0% | 74.2% | - | - | 90.4% | - | - | - | - | - | 69.4% |
| GPT-4.1 Mini OpenAI | 57.9% | 1144elo | 66.4% | 5.0% | 38.3% | 65.5% | 40.4% | 71.9% | 7.6% | 52.9% | -0.17 | 60.0% | 100.0% | 0.0% | 3 | 32.4% | 43.0% | 46.3% | 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% | - | 4.5% | 1.5% | 18.7% | - | - | 50.0% | 65.0% | 56.8% | 0.0% | 100.0% | 3.47 | 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% | - | - | - | - | - | - | - | 48.3% | 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% | 78.1% | 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% | 23.9% | - | 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 Fable 5 Anthropic | GPT-4.1 Mini OpenAI |
|---|---|---|
| Description | Claude Fable 5 is Anthropic's most capable widely released model, built for the most demanding reasoning and long-horizon agentic work. Shares its base model with the invitation-only Claude Mythos 5. | GPT-4.1 Mini is an AI model from OpenAI. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | - | proprietary |
| Released | 9 Jun 2026 | 14 Apr 2025 |
| Context | 1,000,000 | 1,047,576 |
| Input $/1M | $10.00 | $0.40 |
| Output $/1M | $50.00 | $1.60 |
| Cache read $/1M | $1.000 | $0.100 |
| Cache write $/1M | $12.500 | - |
| Speed | 66 tok/s | 0 tok/s |
| Latency | 49.62 s | 0.00 s |
| Modalities | text, image, file | image, text, file |
| Providers | - | - |
| Publisher | Anthropic | OpenAI |
| Reported scores | Finance Agent (v2)56.3% IFBench63.5% (AA) Swebenchpro80.3% LiveBench - Math93.9% (LiveBench) LiveBench - Coding78.6% (LiveBench) |
FAQ
- Is Claude Fable 5 or GPT-4.1 Mini better?
- Across the 10 benchmarks both models report on Sophon, Claude Fable 5 leads on 10 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Fable 5 and GPT-4.1 Mini compare on GPQA Diamond?
- Claude Fable 5 scores 92.6% and GPT-4.1 Mini scores 66.4% on GPQA Diamond.
- Which is cheaper, Claude Fable 5 or GPT-4.1 Mini?
- GPT-4.1 Mini is cheaper at $1.60 per million output tokens against $50.00 for Claude Fable 5 - about 31.3x.
- When were Claude Fable 5 and GPT-4.1 Mini released?
- Claude Fable 5 was released 9 Jun 2026 by Anthropic. GPT-4.1 Mini was released 14 Apr 2025 by OpenAI.
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