AI-designed model defies human intuition: 40B total params, 2.5B active, 4-bit LM head

thursdai_pod · x · 2026-10-26

Recursive's Eureka Machine, an autonomous AI scientist, picked an architecture human researchers would likely reject for a local coding model: 40B total params with only 2.5B active, plus a 4-bit quantized LM head.

Co-founder Tim Shi explains on the ThursdAI podcast why the counterintuitive design works well for on-device coding workloads.

Related event: AI Scientist Defies Conventional Wisdom, Quantizes LM Head to 4-bit and It Works(4 posts)→

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