# Anthropic Changed the Sonnet 5 Chart After It Made Sonnet Look Bad

> Source: <https://www.vincentschmalbach.com/anthropic-changed-sonnet-5-chart-after-it-made-sonnet-look-bad/>
> Published: 2026-07-02 10:26:15+00:00

Anthropic re-wrote the Sonnet 5 story post-launch. The first BrowseComp cost-performance chart showed Sonnet 5 lagging Opus 4.8. The replacement chart paints...
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