Claude Fable 5 vs Claude Opus 4.7
Head to head on 28 shared benchmarks, with price, context window, and release dates.
Benchmark scores
47evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Fable 5 Anthropic | 71.8% | 90.0% | 1340elo | 1933elo | 83 | 56.3% | 92.6% | 55.5% | 63.5% | 81.4% | 78.6% | 80.0% | 59.9% | 88.5% | 93.9% | 87.3% | 56.1% | 88.5% | 68.9% | 95.0% | 51.9% | 60.2% | 76.9% | 62.9% | 66.0% | 74.2% | 90.4% | 98.5% | 17.4% | - | 83.9% | 38.6% | 78.0% | 29.3% | - | 29.8% | 1932elo | 66.0% | 13.3% | - | - | 85.0% | - | - | 80.3% | 88.0% | - | 69.4% |
| Claude Opus 4.7 Anthropic | 66.1% | 79.0% | 1311elo | 1906elo | 81.8 | 51.5% | 88.5% | 33.3% | 43.6% | 79.7% | 82.1% | 78.3% | 59.3% | 77.9% | 93.1% | 87.7% | 54.9% | 83.0% | 70.3% | 54.0% | 56.1% | 50.1% | 75.3% | 54.5% | 56.1% | 67.4% | 71.0% | 74.0% | - | 3.21 | - | - | - | - | 43.8% | - | - | - | - | 73.2% | 91.5 | - | 45.3% | 100.0% | - | - | 72.8 | 67.2% |
2 / 2 models
| Attribute | Claude Fable 5 Anthropic | Claude Opus 4.7 Anthropic |
|---|---|---|
| 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. | Claude Opus 4.7 is an AI model from Anthropic. |
| Family | Claude | Claude |
| Params | - | - |
| Open weights | closed | closed |
| License | - | proprietary |
| Released | 9 Jun 2026 | 16 Apr 2026 |
| Context | 1,000,000 | 1,000,000 |
| Input $/1M | $10.00 | $5.00 |
| Output $/1M | $50.00 | $25.00 |
| Cache read $/1M | $1.000 | $0.500 |
| Cache write $/1M | $12.500 | $6.250 |
| Speed | 66 tok/s | 0 tok/s |
| Latency | 49.62 s | 0.00 s |
| Modalities | text, image, file | text, image, file |
| Providers | - | - |
| Publisher | Anthropic | Anthropic |
| Reported scores | Finance Agent (v2)56.3% IFBench63.5% (AA) Swebenchpro80.3% LiveBench - Math93.9% (LiveBench) LiveBench - Coding78.6% (LiveBench) | GPQA Diamond88.5% (AA) Humanity's Last Exam (HLE)33.3% (AA) IFBench43.6% (AA) τ²-bench (Tau²-bench)74.0% (AA) Terminal-Bench (Hard)54.5% (AA) |
FAQ
- Is Claude Fable 5 or Claude Opus 4.7 better?
- Across the 28 benchmarks both models report on Sophon, Claude Fable 5 leads on 24 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Fable 5 and Claude Opus 4.7 compare on GPQA Diamond?
- Claude Fable 5 scores 92.6% and Claude Opus 4.7 scores 88.5% on GPQA Diamond.
- Which is cheaper, Claude Fable 5 or Claude Opus 4.7?
- Claude Opus 4.7 is cheaper at $25.00 per million output tokens against $50.00 for Claude Fable 5 - about 2.0x.
- When were Claude Fable 5 and Claude Opus 4.7 released?
- Claude Fable 5 was released 9 Jun 2026 by Anthropic. Claude Opus 4.7 was released 16 Apr 2026 by Anthropic.
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