# Claude Opus 5.5 is now available in v0

v0 now supports Claude Opus 5.5. Claude says it is the first model in the Claude 5.5 family, performs at the level of Claude Fable 5.1 for most tasks, and costs 40% less to run than Opus 5.

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Source: v0 · Published 9/22/2026, 09:52:19

Claude Opus 5.5 can now be used in [v0](https://v0.app/?opus55).

Claude says Opus 5.5 is the first model in the Claude 5.5 family, performs at the level of Claude Fable 5.1 for most tasks, and costs 40% less to run than Opus 5.

Tags: Claude, Opus 5.5, v0, Model availability

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