Brussle

Brussle is an AI decision calibration tool that trains model confidence on recorded outcomes and re-runs on record changes.

Brussle is an AI decision tool that calibrates model confidence scores based on your recorded outcomes. It trains on your data, re-runs decisions when records change, and applies corrections only when they beat the raw model on held-out data. The product works with models whose weights you cannot change, such as gpt-6-luna and Jev. It is built for developers and teams managing AI decisions in production who need reliable confidence intervals. Pricing starts at $19 a month in prepaid credit.

Brussle at a glance

Best for: Software engineer, Researcher
Pricing: Developer $19/month or $209/year; Team $899/month or $9,889/year; Scale $4,496/month or $49,456/year; prepaid credit system
Released: October 2026
Category: AI research tool
Website: brussle.com

Key features

Calibrates model confidence on recorded outcomes
Re-runs decisions automatically when records change
Applies corrections only when beating held-out data
Provides 95 percent confidence intervals
Fits corrections nightly from fifty labelled decisions
Tracks history for every decision answer

Use it for

Correcting AI model confidence on ratings
Re-running decisions when underlying records change
Generating 95 percent confidence intervals for actions
Fitting outcome corrections on labelled data sets

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