AISummary
Sam Bowman says Claude Opus 5.5 is sufficiently safer than its predecessors that releasing it more likely than not reduces misalignment risks. The quoted @claudeai post introduces Claude Opus 5.5 as the first model in the Claude 5.5 family, performing at the level of Claude Fable 5.1 on most tasks at 40% lower run cost than Opus 5.
AIWhy it matters
The post links a safety judgment to a model release, which is useful for readers weighing how Anthropic frames release decisions against misalignment risk.
Full text
We think Opus 5.5 is sufficiently safer than it's predecessors that releasing it, more likely than not, reduces risks related to misalignment.
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.View quoted post on X
Source: Sam Bowman · x.comPublished · added here