Claude Mythos PreviewvsClaude Fable 5
Claude Mythos Preview leads the overall Podium Score by 4.0 points (97.4 vs 93.4).Category wins: Claude Mythos Preview 2 — 1 Claude Fable 5.Claude Mythos Preview is the cheaper pick ($15/M vs $50/M per 1M output tokens). Claude Mythos Preview is faster (80 t/s vs 71 t/s).
| Metric | Claude Mythos Preview | Claude Fable 5 |
|---|---|---|
| Podium Score | 97.4 ▲ | 93.4 |
| Arena Elo | — | 1509 |
| Intelligence Index | — | 60.0 |
| Coding | 80.9 | 84.1 ▲ |
| Math | 100.0 | — |
| Reasoning | 98.8 ▲ | 81.0 |
| Agentic | — | 96.2 |
| Knowledge | 100.0 ▲ | 43.3 |
| Multimodal | 100.0 | — |
| Long-context | — | 99.2 |
| Output speed | 80 t/s ▲ | 71 t/s |
| Output price | $15/M ▲ | $50/M |
| Context window | — | 1000K |
Scores aggregated from five leaderboards on 2026-08-05. See Methodology. More head-to-heads: Claude Mythos Preview vs Kimi K3 · Claude Mythos Preview vs Claude Opus 5 · Claude Mythos Preview vs GPT-5.6 Sol · Claude Mythos Preview vs Qwen3.8 Max