Claude Fable 5 vs Gemini 1.5 Pro

Head-to-head technical comparison of intelligence, capabilities, and API pricing.

Claude Fable 5

Anthropic

AI Mastery Index96.4

LMSYS Arena1494

Technical (MMLU-Pro)95.6%

Cost per 1M Tokens$10

Gemini 1.5 Pro

Google

AI Mastery Index86.4

LMSYS Arena1265

Technical (MMLU-Pro)85.9%

Cost per 1M Tokens$3.5

Architect's Verdict

When comparing Claude Fable 5 and Gemini 1.5 Pro, Claude Fable 5 edges out in overall capabilities according to the AI Mastery Index. However, for cost-sensitive workloads, Gemini 1.5 Pro offers a more economical API at $3.5 per 1M tokens. Your choice should depend heavily on whether you prioritize raw reasoning (MMLU) or scalable deployment economics.