---
id: "nace-ai/drex-v2.0"
also: ["nace-ai/drex-v2.0-20261009", "vercel/nace-ai/drex-v2.0"]
cheapest_list_usd_per_m: "0.03 in, 0.0 out, at nace-ai on vercel"
cheapest_effective_usd_per_m: "0.03 in, 0.0 out, at nace-ai on vercel"
context: 131072
max_output: 117964
input: ["text"]
output: ["decisions"]
released: "2026-10-12"
api: ["/api/alpha/decisions"]
params: ["max_tokens", "stop", "temperature"]
endpoints: 2
gateways: "openrouter (1), vercel (1)"
no_training: 1
trains: 1
retains_prompts: 1
---
# Nace.AI: Drex v2.0

Drex 2.0 is Nace AI's text evaluation model for boolean, choice, and score questions over shared text or JSON state. It returns calibrated probabilities for routing, classification, and scoring, with a 131,072-token state limit and a 262,144-token limit for the state plus the longest question.