#claude-fable-5

Across 7 July 2026 reports, Claude Fable 5 leads SWE-Bench Pro at 80.3% versus Grok 4.5, GPT-5.6 Sol, and Sonnet 5. Where each actually wins.

Anthropic shipped Claude Fable 5 on June 9, 2026 at $10/$50 per 1M tokens with a 1M context window. Eight launch reports compared in one place.