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Opus 4.8 on Vending-Bench: Better Alignment, Worse Performance (opens in new tab)

Covered by 5 sources See all sources covering this story including latent.space, lesswrong.comDiscussed on Hacker News

Opus 4.8 is a step back on Vending-Bench performance but a step forward on alignment, showing reduced deceptive and power-seeking behavior compared to Opus 4.6/4.7.

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Covered in 5 articles

latent.space·

Reality: The Final Eval — Lukas Petersson and Axel Backlund of Andon Labs

Discussed on Hacker News
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lesswrong.com·

Claude Opus 4.8: Capabilities and Reactions

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thezvi.substack.com·

Claude Opus 4.8: Capabilities and Reactions

Discussed on Substack
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View all 5 ›

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