Claude Fable 5vsGPT-6 Astra
Claude Fable 5 leads the overall Podium Score by 7.2 points (93.4 vs 86.2).Category wins: Claude Fable 5 3 — 2 GPT-6 Astra.Claude Fable 5 is the cheaper pick ($50/M vs $50/M per 1M output tokens). GPT-6 Astra is faster (82 t/s vs 71 t/s).
Key VerdictAggregated 2026 Benchmark Analysis
Claude Fable 5 is rated higher overall with a Podium Score of 93.4 (vs 86.2 for GPT-6 Astra). In head-to-head domain evaluations, Claude Fable 5 outperforms in 3 of 7 benchmark categories.
Coding & Engineering
Claude Fable 5 (84.1)
Inference Speed
GPT-6 Astra (82 t/s)
Cost Efficiency
Claude Fable 5 ($50/M/M)
| Metric | Claude Fable 5 | GPT-6 Astra |
|---|---|---|
| Podium Score | 93.4 ▲ | 86.2 |
| Arena Elo | 1509 ▲ | 1498 |
| Intelligence Index | 60.0 | 61.0 ▲ |
| Coding | 84.1 ▲ | 67.2 |
| Math | — | 97.6 |
| Reasoning | 81.0 | 96.0 ▲ |
| Agentic | 96.2 ▲ | 72.6 |
| Knowledge | 43.3 ▲ | 31.5 |
| Multimodal | — | 98.2 |
| Long-context | 99.2 | 100.0 ▲ |
| Output speed | 71 t/s | 82 t/s ▲ |
| Output price | $50/M | $50/M |
| Context window | 1000K | 1100K ▲ |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Claude Fable 5 vs Claude Mythos · Claude Fable 5 vs Claude Fable 5.1 · Claude Fable 5 vs Kimi K3 · Claude Fable 5 vs Claude Opus 5