claude-fable-5 vs gpt-5.1 Benchmark Comparison
Direct benchmark comparison between claude-fable-5 and gpt-5.1 based on LMArena Elo and the latest 2026 API pricing.
Direct Technical & Pricing Comparison
| Frontier Model |
LMArena Elo |
API Cost (1M) |
Throughput |
| claude-fable-5 |
1508 |
$0.00001 |
45 |
| gpt-5.1 |
1439 |
$0.00000125 |
73 |
*These models represent the Pareto Frontier (optimal cost-to-performance).*
Comparison Summary: claude-fable-5 is the more capable model in this pair, leading by 69 Elo points.