Claude Mythos PreviewvsGPT-5.6 Sol
Claude Mythos Preview leads the overall Podium Score by 16.6 points (97.4 vs 80.8).Category wins: Claude Mythos Preview 5 — 0 GPT-5.6 Sol.Claude Mythos Preview is the cheaper pick ($15/M vs $30/M per 1M output tokens). Claude Mythos Preview is faster (80 t/s vs 72 t/s).
| Metric | Claude Mythos Preview | GPT-5.6 Sol |
|---|---|---|
| Podium Score | 97.4 ▲ | 80.8 |
| Arena Elo | — | 1483 |
| Intelligence Index | — | 59.0 |
| Coding | 80.9 ▲ | 64.8 |
| Math | 100.0 ▲ | 70.7 |
| Reasoning | 98.8 ▲ | 87.6 |
| Agentic | — | 33.9 |
| Knowledge | 100.0 ▲ | 22.0 |
| Multimodal | 100.0 ▲ | 97.4 |
| Long-context | — | 100.0 |
| Output speed | 80 t/s ▲ | 72 t/s |
| Output price | $15/M ▲ | $30/M |
| Context window | — | 1100K |
Scores aggregated from five leaderboards on 2026-08-05. See Methodology. More head-to-heads: Claude Mythos Preview vs Claude Fable 5 · Claude Mythos Preview vs Kimi K3 · Claude Mythos Preview vs Claude Opus 5 · Claude Mythos Preview vs Qwen3.8 Max