Performance Benchmarks for claude-fable-5

Analyze how claude-fable-5 stacks up against other frontier models in terms of cost-to-performance and raw intelligence (LMArena Elo).

2026 Performance Summary

🚀 Intelligence (Elo): 1508
💰 API Cost (Input): $0.00001 / 1M tokens
⚡ API Cost (Output): $0.00005 / 1M tokens
⏱️ Real-world Throughput: 45 tokens/s

Analysis: claude-fable-5 offers competitive performance with an Elo of 1508. For developers optimizing strictly for cost-to-performance, we recommend comparing it against the current frontier leaders.

Highly Recommended Alternatives

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
gemini-3.1-pro-preview	1486	$0.000002	79
kimi-k2.7-code	1478	$7.4e-7	68
gemini-3-flash	1473	$5e-7	64
mimo-v2.5-pro	1466	$4.35e-7	46
gemma-4-31b	1451	$1.2e-7	56

*These models represent the Pareto Frontier (optimal cost-to-performance).*