<2>OpenAI Upgrades ChatGPT with GPT-5.4 Thinking, Offering Six Key Improvements
<3>Revolutionizing Conversational AI
<>Earlier this week, OpenAI released GPT-5.3 Instant, < href="https://techcrunch.com/2026/03/03/openai-releases-gpt-5-3-instant-update-to-make-chatgpt-less-cringe/" target="_blank">promising to make ChatGPT less cringe and more natural when using its most popular model. Now OpenAI is back with GPT-5.4 Thinking and Pro, which is an overall upgrade to its most capable frontier model.
<3>Key Improvements in GPT-5.4 Thinking