Bonsai 2 quant quietly mauled performance, independent tests confirm

julianharris · x · 2026-09-20

A viral claim that Bonsai 2 retains 98%+ of its intelligence at only 5.9 GB doesn't hold up: julianharris notes the quantization badly hurt performance, a detail buried deep in the team's own paper and now independently validated as "pretty hopeless." Bonsai 1 had similar issues. The "frontier intelligence at home" hype collides with real-world results.

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