Anthropic's Opus 5 And Sonnet 5 Models Show Regressions
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Anthropic's latest generation models Opus 5 and Sonnet 5 feel like legit regressions They spin a lot, cost more and don't show many quality gains Opus 4.8 and Sonnet 4.6 are their best models - keep using them
Multiple new Anthropic models dropping in the next few days - Opus 5.1 - Sonnet 5.1 - Fable 5.1 Opus and Sonnet will reverse the regressions and will be strictly be better than Opus 4.8 and Sonnet 4.6. Fable 5.1 will top the leaderboards.