tech
March 5, 2026
Introducing GPT-5.4
Today, we’re releasing GPT‑5.4 in ChatGPT (as GPT‑5.4 Thinking), the API, and Codex. It’s our most capable and efficient frontier model for professional work. We’re also releasing GPT‑5.4 Pro in ChatGPT and the API, for people who want maximum performance on complex tasks.
TL;DR
- GPT-5.4 is released in ChatGPT (as GPT-5.4 Thinking), the API, and Codex.
- It is described as OpenAI's most capable and efficient frontier model for professional work.
- GPT-5.4 Pro is also released in ChatGPT and the API for users needing maximum performance on complex tasks.
Continue reading the original article