OpenAI Launches GPT-5.2 ‘Garlic’ with 400K Context Window for Enterprise Coding

On Thursday, OpenAI released GPT-5.2, codenamed “garlic” during development, marking the company’s most capable model for coding and agentic workflows. The model brings a massive 400,000-token context window and 128,000-token output capacity — roughly 5x the context of GPT-4.In a blog post, OpenAI called it “the most capable model series yet.”“We announced this code red to really signal to the company that we want to martial resources in one particular a