🚀 OpenAI launches GPT-5.4 with stronger reasoning and faster performance

OpenAI has introduced GPT-5.4, alongside GPT-5.4 Thinking and GPT-5.4 Pro, now rolling out across ChatGPT, the API, and Codex.

What’s new:

• One frontier model: GPT-5.4 combines improvements in reasoning, coding, and agentic workflows into a single system.
• More efficient: the model uses fewer tokens while delivering faster responses and improved factual accuracy.
• Better deep research: GPT-5.4 Thinking improves long-form reasoning and deep web research capabilities.
• Stronger context retention: it can keep track of