How it works
Google Open-Sources Harness² , a Framework That Improves AI Agents Without Retraining Models
A new open-source tool from Google Research lets agents get better at tasks by tweaking their setup instead of their core model.
Models
Gemini 3.5 Flash
A Google language model used as one of the base executors in Harness² benchmark testing.
1 story, first covered on Oct 18, 2026.