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GPT-6 Luna vs Claude Haiku 5.5: cost per correct answer on 4 tasks

Short answer from four public runs: on pass rate these two cannot be told apart on these rows, and neither is cheaper everywhere. GPT-6 Luna cost about 1.5x less per correct answer on 77-intent banking classification; Claude Haiku 5.5 cost about 1.2x less on SMS spam and the same within a hair on r…

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  1. 2026-11-14 08:06 · DEV Community — AI
    GPT-6 Luna vs Claude Haiku 5.5: cost per correct answer on 4 tasks

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