[OpenAI Pricing Page Reveals Unannounced Rosalind Model] The OpenAI API pricing page has listed gpt-rosalind-discovery, priced the same as gpt-rosalind-research at $5 per million input tokens and $25 per million output tokens. OpenAI has not officially announced this model. GPT-Rosalind is a model series by OpenAI designed for life sciences research, available only to approved institutions. The research version began billing on October 5.