GPT-Rosalind

GPT-Rosalind is OpenAI's specialized life-sciences reasoning model for approved internal research, introduced in research preview on 2026-04-16 and marked generally available on 2026-09-11 through OpenAI's trusted-access program for eligible Enterprise and Business organizations. OpenAI describes it as its most capable model for life-sciences research, combining deep scientific reasoning with scientific tools and databases for multi-step workflows across target research, genomics and sequencing analysis, protein and sequence analysis, medicinal chemistry, literature synthesis, wet-lab troubleshooting, and experiment planning. OpenAI lists API pricing at $5 input, $0.50 cached input, and $25 output per million tokens with no cache-write pricing, and publishes no context-window or maximum-output limits for the model. Catalog scores are self-reported from the GPT-Rosalind-5.5 system card and the LifeSciBench preprint.