Anthropic / Claude (@claudeai; confirmed by @AnthropicAI) launched Claude Opus 5.5 today, the first model in the new Claude 5.5 family. Officially it matches Claude Fable 5.1 on most tasks, and is a major step up from Opus 5 on agentic coding, computer use, and knowledge work. At default settings typical workloads cost about 40% less than Opus 5. Pro, Max, and Team five-hour usage limits are increased, with a bankable rate-limit reset for subscribers.

Key Takeaways

  • ✓Opus 5.5 opens the Claude 5.5 family and is available today; most tasks match Claude Fable 5.1.
  • ✓Leads Opus 5 on agentic coding, computer use, and knowledge work; ~40% cheaper on typical default workloads.
  • ✓Higher Pro/Max/Team five-hour usage caps plus a bankable rate-limit reset for subscribers.
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