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Opus 5.5 improved 5.8 percent since launch
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Feel like Opus 5.5 got dumber? Don't worry, Nerf Bench shows the opposite. It actually got 5.8% smarter since launch! https://x.com/theo/status/21126969123360…
bridgemindai@bridgemindaiOct 2
Claude Opus 5.5 just took a big drop on NerfBench. Yesterday it was scoring above launch. Today it's at 94.2%. GPT 6 Astra: 98.0% Sonnet 5.5: 100.9% GPT 6.1 Sol: 106.7% 94.2% is still inside normal variance, so we can't call it a nerf yet. But we're watching Opus 5.5 very closely.
