Opus 5.5 undercuts Opus 5 on API pricing while being more token-efficient
EricBuess · x · 2026-09-23
Eric Buess highlights that the newly released Claude Opus 5.5 is not only much more token-efficient than its predecessor but also cheaper via the API — meaning the same tasks cost less on the new flagship, echoing Anthropic's official "reduced costs" messaging. A rare price drop on a flagship model generation.
Related event: Anthropic Launches Claude Opus 5.5: Smarter, Faster and 40% Cheaper(55 posts)→
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