OpenAI introduces GPT-5.4 with more knowledge-work capability
Summary
OpenAI released GPT-5.4, featuring GPT-5.4 Thinking and GPT-5.4 Pro, with a focus on knowledge-work tasks. Highlights include improved long-horizon reasoning, up to a 1,000,000-token context window for API use, better image analysis, and an 18% reduction in factual errors. The update follows competitive pressure from Anthropic and Google and is available to various OpenAI product tiers, including Plus, Team, Pro, and Enterprise.