Claude Fable 5 vs Gemini 3 Pro
Claude Fable 5 (Anthropic) and Gemini 3 Pro (Google DeepMind) compared on benchmarks, pricing, context window, and use-case rankings.
- Claude Fable 5 leads on overall intelligence (ECI 161 vs 153).
- Claude Fable 5 ranks higher for coding (99th vs 52th percentile).
| Attribute | Claude Fable 5 | Gemini 3 Pro |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 161 | 153 |
| Coding | 99 | 52 |
| Math | 95 | 70 |
| Reasoning & Knowledge | 96 | 75 |
| Agentic & Tools | 98 | 63 |
| Specifications | ||
| Developer | Anthropic | Google DeepMind |
| Family | Claude | Gemini |
| Released | Jun 9, 2026 | Nov 18, 2025 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | 1M | — |
| Price — $/M input | $10.00 | — |
| Price — $/M output | $50.00 | — |
| Inputs | text, image, file | — |
| Outputs | text | — |
| Benchmarks | ||
| AIME 2024/2025 | 100% | 91% |
| APEX | 45% | 32% |
| GPQA Diamond | 93% | 93% |
| Humanity's Last Exam | 53% | 38% |
| SciCode | 60% | — |
| SimpleBench | 82% | 76% |
| SimpleQA Verified | 68% | 73% |
| WebDev Arena | 1654 | 1471 |
| WeirdML | 92% | 70% |
| τ²-bench | 99% | — |
| ARC-AGI | — | 75% |
| ARC-AGI-2 | — | 31% |
| FrontierMath | — | 38% |
| FrontierMath Tier 4 | — | 19% |
| GDPval (win/tie rate) | — | 54% |
| GSO (code optimization) | — | 19% |
| METR task horizon | — | 3.7 h |
| SWE-bench Verified | — | 73% |
| Terminal-Bench | — | 69% |
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.
Frequently asked questions
Is Claude Fable 5 better than Gemini 3 Pro?
On Epoch AI's Capabilities Index, Claude Fable 5 scores higher (161) than Gemini 3 Pro (153). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is better for coding, Claude Fable 5 or Gemini 3 Pro?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Claude Fable 5 ranks higher — 99th vs 52th percentile among the models tracked on Model Beat.
Want a different match-up? Open the compare tool to add or swap models.
More comparisons
Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.