Claude Fable 5 vs Gemini 2.5 Pro
Head to head on 19 shared benchmarks, with price, context window, and release dates.
Benchmark scores
54evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Fable 5 Anthropic | 71.8% | 1933elo | 83 | 92.6% | 55.5% | 63.5% | 81.4% | 78.6% | 59.9% | 88.5% | 56.1% | 88.5% | 68.9% | 51.9% | 60.2% | 76.9% | 62.9% | 90.4% | 98.5% | - | - | - | - | 17.4% | 83.9% | 38.6% | 90.0% | - | - | 1340elo | 78.0% | 56.3% | 29.3% | - | 29.8% | 1932elo | 66.0% | 13.3% | 80.0% | 93.9% | 87.3% | - | - | - | - | 85.0% | 95.0% | - | - | 80.3% | 88.0% | 66.0% | 74.2% | - | 69.4% |
| Gemini 2.5 Pro Google (Alphabet Inc.) | 60.8% | 1419elo | 58.8 | 84.4% | 22.5% | 48.7% | 77.9% | 86.7% | 81.0% | 65.9% | 50.6% | 73.6% | 68.9% | 41.9% | 42.8% | 72.9% | 26.5% | 0.4% | 54.1% | 83.1% | 88.7% | 87.7% | 50.4% | - | - | - | - | 45.2% | 15.9% | - | - | - | - | 14.1% | - | - | - | - | - | - | - | 80.1% | 96.7% | 86.2% | 70.0% | - | - | 55.6 | 53.6% | - | - | - | - | 53.3% | 59.5% |
2 / 2 models
| Attribute | Claude Fable 5 Anthropic | Gemini 2.5 Pro Google (Alphabet Inc.) |
|---|---|---|
| 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. | Gemini 2.5 Pro is an AI model from Google (Alphabet Inc.). |
| Family | Claude | Gemini |
| Params | - | - |
| Open weights | closed | closed |
| License | - | proprietary |
| Released | 9 Jun 2026 | 5 Jun 2025 |
| Context | 1,000,000 | 1,048,576 |
| Input $/1M | $10.00 | $1.25 |
| Output $/1M | $50.00 | $10.00 |
| Cache read $/1M | $1.000 | $0.125 |
| Cache write $/1M | $12.500 | $0.375 |
| Speed | 66 tok/s | 0 tok/s |
| Latency | 49.62 s | 0.00 s |
| Modalities | text, image, file | text, image, file, audio, video |
| Providers | - | - |
| Publisher | Anthropic | Google (Alphabet Inc.) |
| 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 Gemini 2.5 Pro better?
- Across the 19 benchmarks both models report on Sophon, Claude Fable 5 leads on 17 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Fable 5 and Gemini 2.5 Pro compare on GPQA Diamond?
- Claude Fable 5 scores 92.6% and Gemini 2.5 Pro scores 84.4% on GPQA Diamond.
- Which is cheaper, Claude Fable 5 or Gemini 2.5 Pro?
- Gemini 2.5 Pro is cheaper at $10.00 per million output tokens against $50.00 for Claude Fable 5 - about 5.0x.
- When were Claude Fable 5 and Gemini 2.5 Pro released?
- Claude Fable 5 was released 9 Jun 2026 by Anthropic. Gemini 2.5 Pro was released 5 Jun 2025 by Google (Alphabet Inc.).
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