On December 11–12, 2025, OpenAI publicly unveiled its new "frontier" model—GPT-5.2. Optimized for advanced professional workflows and long-running autonomous agents, the model began rolling out to paid ChatGPT tiers and enterprise customers. According to Reuters, the release was internally accelerated (under the codename "code red") to respond to intensifying competitive moves in the large language model market.
OpenAI Releases GPT-5.2 - New Model for Professional Workflows
