Who reported what
Anthropic Releases Claude Opus 5.5: Fable 5.1-Level Performance at 40% Lower Running Cost Than Opus 5
Headline by MarkTechPost
3 outlets from 3 owner groupsEarliest report we found: TechCrunch, 22 September 2026, 16:30 UTC
Reports, in time order
- TechCrunchAnthropic releases Opus 5.5 with lower prices and Fable-level performance (opens TechCrunch's report in a new tab)
- DecryptAnthropic’s New Claude Opus 5.5 Matches Fable at 60% the Price (opens Decrypt's report in a new tab)
- MarkTechPostAnthropic Releases Claude Opus 5.5: Fable 5.1-Level Performance at 40% Lower Running Cost Than Opus 5 (opens MarkTechPost's report in a new tab)