drex-v2.0

Drex v2.0 is a 35B mixture-of-experts decision model (3B active) from Nace.AI. Given a state (text or JSON) and typed questions (yes/no, multiple choice, or ordinal score), it returns a calibrated probability for every option in a single forward pass, with no text generation. It is TypeSafe System One compatible, handles contexts up to 131K tokens, and ranks #1 on Decision Index 0.2.1 with 60.78, ahead of Drex v1.5 and Jev 1.13.0.

Context
131K
Input price
$0.06/1M tokens
Output price
$0/1M tokens

Capabilities

Infrastructure
Streaming

Details

Model IDnace-ai/drex-v2.0
Provider DeepInfra
Creator nace-ai
Family—
License—
Statusactive
Typechat
Input modalitiestext
Output modalitiestext
Open weightYes
Parameters—
Architecture—
Context window131K tokens
Max input—
Max output—
Reasoning tokens—
Knowledge cutoff—
Release date—
Sourceofficial

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://api.deepinfra.com/v1/openai/v1/chat/completions

Pricing

Input
$0.06
Output
$0
Cache write
—
Cache read
—
Batch in
—
Batch out
—

API

GET/v1/models/deepinfra/nace-ai/drex-v2.0

drex-v2.0

nace-ai/drex-v2.0

Drex v2.0 is a 35B mixture-of-experts decision model (3B active) from Nace.AI. Given a state (text or JSON) and typed questions (yes/no, multiple choice, or ordinal score), it returns a calibrated probability for every option in a single forward pass, with no text generation. It is TypeSafe System One compatible, handles contexts up to 131K tokens, and ranks #1 on Decision Index 0.2.1 with 60.78, ahead of Drex v1.5 and Jev 1.13.0.

Changes · 2 entries
nace-ai/drex-v2.0createca7a400Nov 2, 2026, 03:02 AM
nace-ai/drex-v2.0createbcf2693Oct 16, 2026, 06:36 AM