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TechRadar
TechRadar
Eric Hal Schwartz

ChatGPT just got another brain boost with GPT-5.4 Thinking — and it’s built for bigger, more complex tasks

ChatGPT 5.4.

  • OpenAI has introduced ChatGPT 5.4 Thinking in ChatGPT to handle more complex reasoning and multi-step tasks
  • ChatGPT 5.3 Instant will remain the default model for everyday conversations in ChatGPT
  • The new model allows Plus, Team, and Pro users to guide the AI as it plans and completes larger projects
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