ClaudeDevs
@ClaudeDevs
Official updates for developers building with @ClaudeAI
加入 February 2026
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Opus 5.5 is 20% cheaper per input and output token than Opus 5, and 60% cheaper on cache reads. So what does that actually do to the cost of a task in Claude Code?
We ran the numbers, and built a calculator so you can run yours from /usage:
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