Expired50% confidenceFactExact time
Sonnet 5 has switched to the tokenizer from Opus 4.7.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/24/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/22/2026(expired)
Sources
Related Claims
UnverifiedSonnet 4.6 ranks first in the world on the Computer Use Benchmark.73% similarVerifiedUnreleased model version numbers Opus 4.7 and Sonnet 4.8 appeared in the leaked code.71% similarUnverifiedClaude Sonnet 4 is positioned above the previous Opus series, with the company officially describing it as a new category within the Sonnet series.71% similarUnverifiedA 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 5.70% similarUnverifiedGenSpark Claw supports running mainstream models such as Sonnet 4.6.66% similar
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