You can now use Claude Opus 5.5 in v0.
Try it https://v0.app/?opus55
Claude Opus 5.5 is now available in v0
AISummary
v0 announced that users can now use Claude Opus 5.5 in v0, with a link to try it. The quoted Anthropic post says Opus 5.5 is the first model in its new Claude 5.5 family, performs at the level of Claude Fable 5.1 on most tasks, and costs 40% less to run than Opus 5.
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@v0
Introducing Claude Opus 5.5, the first model in our new Claude 5.5 family. It performs at the level of Claude Fable 5.1 for most tasks, and costs 40% less to run than Opus 5.
Source: v0 · x.comPublished · added here