| Benchmark | Claude Fable 5 | GPT-5 |
|---|---|---|
| AA Agentic Index | 56.6 | 49.7 |
| AA Intelligence | 62.1 | 35.3 |
| AA-LCR | 76.7 | 76.3 |
| AA-Omniscience | 43.3 | -8.7 |
| arc_agi_1 | 90.5 | 56.2 |
| ARC-AGI-2 | 76.8 | 7.5 |
| arena_vision | 1307 | 1212 |
| Artificial Analysis Coding Index | 76.5 | 38.9 |
| browsecomp | 88 | 54.9 |
| coding_arena_elo | 1626 | 1419 |
| critpt | 28.6 | 5.7 |
| gdpval | 61.9 | 32.5 |
| GPQA Diamond | 92.6 | 87.3 |
| HLE | 64.5 | 28.5 |
| HLE (with tools) | 64.5 | 35.2 |
| IFBench | 63.5 | 73.1 |
| MMMU-Pro | 84.2 | 78.4 |
| OmniScience Accuracy | 65.3 | 40.3 |
| OmniScience Non-Hallucination | 36.4 | 21 |
| scicode | 60.2 | 43 |
| simplebench | 81.9 | 56.7 |
| simpleqa_verified | 68.3 | 50.6 |
| SWE-bench Multilingual | 86.6 | 55.3 |
| SWE-bench Pro | 80 | 41.8 |
| SWE-bench Verified | 95 | 74.9 |
| TauBench V3 - Banking | 38.1 | 22.1 |
| Terminal-Bench 2.1 | 88 | 35.2 |
| Terminal-Bench Hard | 62.9 | 37.9 |
| τ²-Bench Telecom (AA run) | 98.5 | 86.5 |
| τ³-Bench | 26.8 | 19.6 |
Best tracked score per model per benchmark (default configuration; source-attributed). ↓ marks lower-is-better metrics. Open either model for its full surface, provenance and pricing.