Claude Mythos PreviewvsO3 2025 04 16
Claude Mythos Preview leads the overall Podium Score by 25.4 points (97.4 vs 72.0).Category wins: Claude Mythos Preview 0 — 0 O3 2025 04 16.O3 2025 04 16 is the cheaper pick ($10/M vs $15/M per 1M output tokens). Claude Mythos Preview is faster (80 t/s vs 50 t/s).
Key VerdictAggregated 2026 Benchmark Analysis
Claude Mythos Preview is rated higher overall with a Podium Score of 97.4 (vs 72.0 for O3 2025 04 16). Both models show closely matched capabilities across domain benchmarks.
Coding & Engineering
Comparable
Inference Speed
Claude Mythos Preview (80 t/s)
Cost Efficiency
O3 2025 04 16 ($10/M/M)
| Metric | Claude Mythos Preview | O3 2025 04 16 |
|---|---|---|
| Podium Score | 97.4 ▲ | 72.0 |
| Arena Elo | — | — |
| Intelligence Index | — | — |
| Coding | 80.9 | — |
| Math | 100.0 | — |
| Reasoning | 98.8 | — |
| Agentic | — | — |
| Knowledge | 100.0 | — |
| Multimodal | 100.0 | — |
| Long-context | — | — |
| Output speed | 80 t/s ▲ | 50 t/s |
| Output price | $15/M | $10/M ▲ |
| Context window | — | 128K |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Claude Mythos vs Claude Fable 5 · Claude Mythos vs Kimi K3 · Claude Mythos vs Claude Opus 5 · Claude Mythos vs GPT-5.6 Sol