GPT-Rosalind
Research preview 17 Apr 2026; rebuilt on GPT-5.5 on 3 June 2026 (OpenAI says 31% fewer tokens than GPT-5.5); out of preview globally 11 Sept 2026. Context window and max output not published. Pricing per OpenAI's pricing page 'Life Sciences' section, as quoted by TokenCost and the Portkey model registry (PR #953); not read directly on openai.com (403). Free Codex Life Sciences plugin connects any model to 50+ scientific tools.
- Input
- text
- Output
- text
- License
- proprietary
- Pricing
- input: $5 · cached input: $0.5 · output: $25 (per 1M tokens (USD); billing starts 2026-10-05) source
- Verified
- 2026-09-29
How to call it
| Provider | Model id | Endpoint / URL | Docs |
|---|---|---|---|
| OpenAI API (trusted access only) | gpt-rosalind-research | https://api.openai.com/v1/chat/completions | docs |
| ChatGPT / Codex (eligible organisations) | — | openai.com/gpt-rosalind/ | — |
Notable capabilities (2)
- Life-sciences specialist reasoning: Tuned for genomics, protein and sequence analysis, medicinal chemistry, literature synthesis, wet-lab troubleshooting and experiment planning; OpenAI reports BixBench pass@1 0.751 at launch and LabWorkBench 63.2% (vs GPT-5.5 55.8%) after the June update. source
- Trusted-access dual-use deployment: Callable only by vetted organisations with an approved research deployment; a Rosalind Biodefense programme extends access to US government and allied public-health partners. source
Access requires OpenAI trusted-access approval; ordinary API keys will be refused.
Sources:
Timeline entry
- OpenAI launches GPT-Rosalind, a trusted-access reasoning model for life-sciences research ★★★
On 17 April 2026 OpenAI released GPT-Rosalind as a research preview. It is a domain-specialised reasoning model for biology, drug discovery and translational medicine, available in ChatGPT, Codex and the API only to vetted organisations through a trusted-access programme, with a free Life Sciences…
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