NaceAI's Drex 1.5, a sub-10B decision model, tops Decision Index among 71 entries
nischay_twt · x · 2026-09-30
NaceAI released Drex 1.5, a small model built for decisions rather than text: facts in, a probability for every option out, one pass with no text parsing.
- 128k context, under 10B parameters, sub-second latency, $0.04 per 1M input tokens
- Tops Decision Index 0.2.1 (38 chance-corrected decision tests) at 58.28, rank 1 of 71 entries, ahead of 25.8B–32.7B models
- Demos include StarCraft II command, supply-chain checkpoint decisions, Doom deathmatch, Lemmings assignments
- 250M free tokens offered for trial
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