---
license: apache-2.0
tags:
  - text-generation
  - saas
  - public-release
base_model: Qwen/Qwen2.5-1.5B-Instruct
---

# Brainstem 3

Brainstem 3 is the third public release built from the private `brainstem` development line.

## Upgrade Position

Brainstem 3 should be the recommended public release after it passes evaluation.

## Status

This folder is currently a release scaffold. It does not yet contain real model weights.

## Release Checklist

- Document changes from Brainstem 2.
- Add real model weights.
- Use `Qwen/Qwen2.5-1.5B-Instruct` as the upstream base model.
- Add evaluation results.
- Add example usage.
- Confirm no private SaaS data is included.

## Upgrade Notes

- Best public Supernerve release.
- Strongest tone consistency.
- Strongest product accuracy.
- Strongest guardrail behavior.
- Recommended default for public use after evaluation.