Conductor 0.87.2: Claude Opus 5.5 Conductor released version 0.87.2 on September 22, 2026, adding Claude Opus 5.5, which Conductor says performs at the level of Claude Fable 5.1 for most tasks and costs 40% less to run than Opus 5. 0.87.2 September 22, 2026 Claude Opus 5.5 Claude Opus 5.5 is now available in Conductor Opus 5.5 performs at the level of Claude Fable 5.1 for most tasks and costs 40% less to run than Opus 5.