Claude Fable 5vsClaude Opus 4.8
Claude Fable 5 leads the overall Podium Score by 17.4 points (93.4 vs 76.0).Category wins: Claude Fable 5 3 — 1 Claude Opus 4.8.Claude Opus 4.8 is the cheaper pick ($15/M vs $50/M per 1M output tokens). Claude Fable 5 is faster (71 t/s vs 50 t/s).
| Metric | Claude Fable 5 | Claude Opus 4.8 |
|---|---|---|
| Podium Score | 93.4 ▲ | 76.0 |
| Arena Elo | 1509 ▲ | 1484 |
| Intelligence Index | 60.0 ▲ | 55.7 |
| Coding | 84.1 ▲ | 58.0 |
| Math | — | 58.7 |
| Reasoning | 81.0 | 82.8 ▲ |
| Agentic | 96.2 ▲ | 74.9 |
| Knowledge | 43.3 ▲ | 28.8 |
| Multimodal | — | 89.6 |
| Long-context | 99.2 | 99.2 |
| Output speed | 71 t/s ▲ | 50 t/s |
| Output price | $50/M | $15/M ▲ |
| Context window | 1000K | 1000K |
Scores aggregated from five leaderboards on 2026-08-05. See Methodology. More head-to-heads: Claude Fable 5 vs Claude Mythos Preview · Claude Fable 5 vs Kimi K3 · Claude Fable 5 vs Claude Opus 5 · Claude Fable 5 vs GPT-5.6 Sol