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Claude Models in 2026: Fable 5.1 vs Opus 5.5 vs Sonnet 5.5 vs Haiku 5.5 (Pricing and Which to Use)

This story is from 2026-10-23. It is preserved in the archive; the latest stories are on the live feed.

This guide was first published on saurabhbhayana.com . The most expensive Claude model costs 100 times more per input token than the cheapest one. Most people who build on Claude never look at that gap. They pick the model they have heard of and pay for it on every request, including the ones a che…

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  1. 2026-10-23 13:00 · DEV Community — AI
    Claude Models in 2026: Fable 5.1 vs Opus 5.5 vs Sonnet 5.5 vs Haiku 5.5 (Pricing and Which to Use)

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