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Claude Fable 5 vs Gemini 2.5 Flash
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| Attribute | Claude Fable 5 | Gemini 2.5 Flash |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 162 | 143 |
| Coding | 99 | 19 |
| Math | 95 | 16 |
| Reasoning & Knowledge | 96 | 18 |
| Agentic & Tools | 98 | 3 |
| Specifications | ||
| Developer | Anthropic | Google DeepMind |
| Family | Claude | Gemini |
| Released | Jun 9, 2026 | Sep 25, 2025 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | 1M | 1M |
| Price — $/M input | $10.00 | $0.30 |
| Price — $/M output | $50.00 | $2.50 |
| Inputs | text, image, file | file, image, text, audio, video |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 100% | 73% |
| APEX | 45% | 2% |
| GPQA Diamond | 93% | 79% |
| Humanity's Last Exam | 53% | 12% |
| SciCode | 60% | 39% |
| SimpleBench | 82% | 41% |
| SimpleQA Verified | 68% | — |
| WebDev Arena | 1654 | — |
| WeirdML | 92% | 42% |
| τ²-bench | 99% | 32% |
| ARC-AGI | — | 33% |
| ARC-AGI-2 | — | 3% |
| FrontierMath | — | 5% |
| FrontierMath Tier 4 | — | 4% |
| LiveCodeBench | — | 70% |
| MMLU-Pro | — | 83% |
| Terminal-Bench | — | 17% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.