Claude Opus 5 Completes Tasks for $6 vs Claude Fable 5 at $75

Claude Opus 5 outperformed Claude Fable 5 on technical benchmarks, running faster and more accurately on tasks like simulations, website cloning, and debugging.

Fable 5 still appeared more useful for brainstorming and some broader conversational use cases, so the best choice depends on the task.

Overall, Opus 5 delivered strong technical performance at a much lower per-task cost, making budget and use case the main decision factors.