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Claude Opus 5.5 vs Fable 5.1: Coding Cost and Best Use

This story is from 2026-09-28. It is preserved in the archive; the latest stories are on the live feed.

If you can review the diff, run the tests, and inspect the finished product, use Claude Opus 5.5 by default for everyday coding and bounded agent tasks . Its input and output token prices are both 60% lower than Fable 5.1, and independent evaluations show that it often matches or beats Fable—althou…

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  1. 2026-09-28 06:08 · DEV Community — AI
    Claude Opus 5.5 vs Fable 5.1: Coding Cost and Best Use

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