# ClaudeDevs says Opus 5.5 is 20% cheaper per token and 60% cheaper on cache reads

ClaudeDevs says Opus 5.5 costs 20% less per input and output token than Opus 5, and 60% less on cache reads. It also published a calculator for estimating Claude Code task cost from /usage.

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Source: ClaudeDevs · Published 9/25/2026, 11:15:59

ClaudeDevs says Opus 5.5 is 20% cheaper per input and output token than Opus 5, and 60% cheaper on cache reads.

The account says it ran the numbers on what those prices do to the cost of a task in Claude Code, and built a calculator so users can estimate their own cost from /usage. The calculator is in [What a task costs on Opus 5.5](https://claude.dev/blog/what-a-task-costs-on-opus-5-5/).

Tags: Opus 5.5, Pricing, Claude Code, Claude

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