OpenAI is rolling out GPT-5.5 in Codex, with a 400K context window and higher coding benchmark scores than GPT-5.4.
OpenAI's GPT-5.5 boosts agentic coding, reduces costs, and handles complex tasks with minimal input across business and ...
OpenAI just announced that ChatGPT is getting a model upgrade to GPT-5.5. The company says the model will bring ...