OpenAI releases GPT-5.4, the most factual and efficient model.

PANews reported on March 6th that OpenAI officially launched GPT-5.4, claiming it to be the most factual and efficient model available—fewer tokens, faster speed. In ChatGPT, GPT-5.4's thinking has been improved for deep web research, with better context preservation during long-term thought processes—users can now interrupt the model's response to add instructions or adjust its direction. The guided feature is available on Android and web this week, with an iOS version coming soon. OpenAI developers say GPT-5.4 possesses native computing capabilities. Codex and API support up to 1 million context tags, enabling optimal proxy coding for complex tasks, providing scalable tool search across a larger ecosystem, and enabling more efficient inference for long, tool-intensive workflows.