Claude Opus 5.5 is now available in v0
Claude Opus 5.5 can now be used in v0.
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.
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GPT 6 Sol, Luna and Opus 5.5 are now available in OpenCode
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Claude says Claude Opus 5.5 is available today
Claude says Claude Opus 5.5 is available today. The statement was posted at 18:55 UTC on September 22, 2026, and gives no platform, price, quota, or eligibility terms.
Claude introduces Opus 5.5 and says it costs 40% less to run than Opus 5
Opus 5.5 is the first model in the Claude 5.5 family. Claude says it matches Claude Fable 5.1 on most tasks, while ClaudeDevs says it is about 30% faster and about 40% cheaper per task than Opus 5, alongside higher Claude Code session limits.
Claude introduces Opus 5.5, the first model in the Claude 5.5 family
Claude says Opus 5.5 performs at the level of Claude Fable 5.1 for most tasks and costs 40% less to run than Opus 5.