Anthropic releases Fable 5.2 beats Opus 5.5

Anthropic has released a coding model named Fable 5.2 that beats its Opus 5.5 model on major benchmarks and task costs, yet the company still recommends Opus as the primary daily driver for developers. Fable is positioned for large software migrations and multi-agent coordination, though its use introduces complexities regarding context-switching and model management. Anthropic suggests developers start with Opus and switch to Fable only when necessary, though evaluation results indicate developers could benefit from switching earlier. Open article →