wow, Opus 5.5 looks very promising! On my CRPG benchmark, Opus 5.5 takes only 40 steps to get out of the spawn house and onto the world map, much faster than Fable5.1. Let's see if it can speedrun past gpt6-astra. 4-hour gameplay livestream starting now:
Introducing Claude Opus 5.5, the first model in our new Claude 5.5 family.
It performs at the level of Claude Fable 5.1 for most tasks, and costs 40% less to run than Opus 5.