Unverified50% confidenceReleaseExact time
Version v1.9.0 added support for the claude-sonnet-5-5 model.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/4/2026
First Seen
Valid until: 1/2/2027
Sources
Related Entities
Related Claims
UnverifiedA similar Sonnet 5 leak (codenamed Phoenix) appeared in February of this year, but the model that was ultimately officially released was Sonnet 4.6, not Sonnet 5.73% similarUnverifiedv1.11.0 marks the deprecation of Sonnet 4.5 in the Chores (routine maintenance) section, meaning Sonnet 4.5-related configurations have been deprecated at the client level.72% similarVerifiedAnthropic stated that Sonnet 5.5 and Haiku 5.5 are coming soon.71% similarUnverifiedSonnet 5.5 became the first Sonnet model to complete Pokémon Red solely by reading and operating through screenshots.71% similarPartially VerifiedSonnet 5.5 is on par with Opus 5.5 in offensive and defensive cybersecurity capabilities, making it the first model in the Sonnet series to adopt equivalent cybersecurity protection mechanisms.70% similar
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