Prism by OpenAI is a free, cloud-based LaTeX-native workspace launched in January 2026 for scientists to draft, edit, compile, and collaborate on research papers with unlimited projects & collaborators. Powered by GPT-5.2 (strongest for math/science reasoning), it integrates AI for proofreading, claim checking, structure refinement, equation/table updates, citation/literature search, formatting automation, image-to-LaTeX, voice-to-code, and context-aware assistance across full manuscripts. No local setup needed—built to cut friction in scientific writing, coming soon to ChatGPT Business/Enterprise/Education.