Holy crap, these numbers look good. I haven't had a chance to test the model yet... but if it's as good as these benchmarks say, it will be a massive step up from Fable 5.1. Just think about that... 5.1 is now outdated. This is what acceleration looks like.

Claude@claudeai3h ago

Opus 5.5 is a major step up from Opus 5, leading on agentic coding, computer use, and knowledge work. https://t.co/MYI9JDAo1x