Conductor 0.83.2: Claude Fable 5.1

Anthropic released Claude Fable 5.1, its most capable model, now available in Conductor 0.83.2. The model improves on Fable 5 in coding, knowledge work, and long-running problem solving while costing about 25% less.

0.83.2 September 1, 2026 Claude Fable 5.1 Claude Fable 5.1 is now available in Conductor. Anthropic's most capable model is built for ambitious, long-running coding and knowledge work. It improves on Fable 5 across coding, knowledge work, and long-running problem solving while costing ~25% less.