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

# Brainstem 2

Brainstem 2 is the second public release built from the private `brainstem` development line.

## Upgrade Position

Use Brainstem 2 as the improved public release over Brainstem 1.

## Status

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

## Release Checklist

- Document changes from Brainstem 1.
- 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

- Better Supernerve product coverage than Brainstem 1.
- Stronger guardrails for pricing, compliance, privacy, and roadmap claims.
- Better workflow, agent builder, Cortex, and company brain examples.