For most tasks, Claude Opus 5.5 performs at the level of Claude Fable 5.1, our most intelligent model. It writes more clearly and puts the most important information first, which makes it easier to work with over long sessions.
It’s also faster and more efficient than Opus 5, so you can hand it your bigger, more ambitious work.
Opus 5.5 is available everywhere today. To celebrate, we’re raising usage limits on Pro, Max, and Team plans, so there’s more room for you to explore what it can do.
Read more at
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