GPT-Rosalind is OpenAI's series of reasoning models for biology, drug discovery and translational medicine (turning lab findings into treatments), offered only to researchers OpenAI has vetted.
In plain words
Some biology knowledge is dual-use: it can speed up medical research or help cause harm, so OpenAI's general models may refuse some advanced biology questions. GPT-Rosalind is built for that research. GPT-Rosalind-5.5 was GPT-5.5 trained further on life-science data. GPT-Rosalind-6 shares its weights with GPT-6 Astra but refuses fewer dual-use questions, while still refusing help with biological weapons. OpenAI offers it only to qualified scientists and organisations after reviewing their plans, and a qualified person must check its answers before they shape experiments or papers.
A quick example
Imagine a lab team stuck on why an experiment keeps failing. A scientist with approved access describes the steps and the odd result, asks the model what might have gone wrong, and a qualified colleague checks its suggestion before anyone changes the experiment.
Where you'll meet it
- Planning and troubleshooting lab experiments in biology.
- Early drug discovery, such as judging how strong or toxic a molecule might be.
Related
Sources
- DocsGPT-Rosalind-6 System Card Addendum, OpenAI Deployment Safety Hub · read 2 Nov 2026
- DocsGPT-Rosalind-5.5 System Card, OpenAI Deployment Safety Hub · read 2 Nov 2026
Checked by WhatIsAI against the sources above · 2 Nov 2026. Spotted an error? Report it.