Introducing Claude Opus 5.5! 40% lower cost than Opus 5 with cache reads 60% cheaper. It…
This is a dev post classified by Jev as AI dev tools (a launch), kept by the Dev Radar because it carries real work, not commentary.
Introducing Claude Opus 5.5! 40% lower cost than Opus 5 with cache reads 60% cheaper. It performs at the level of Claude Fable 5.1 for most tasks. I celebrated with a pelican riding a bike in Three.js.
Posted by Addy Osmani (422.6k followers) 1 h ago · 598 likes · 69.2k views · view the original post on X. Kept by the Dev Radar as AI dev tools.
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