Will's Blog: Source: OpenAI is preparing to launch GPT-5.4, which will feature an "extreme" reasoning mode and a context window of 1M tokens, up from 400K in GPT-5.2 (Stephanie Palazzolo/The Information)

4 March 2026

Source: OpenAI is preparing to launch GPT-5.4, which will feature an "extreme" reasoning mode and a context window of 1M tokens, up from 400K in GPT-5.2 (Stephanie Palazzolo/The Information)

Stephanie Palazzolo / The Information:
Source: OpenAI is preparing to launch GPT-5.4, which will feature an “extreme” reasoning mode and a context window of 1M tokens, up from 400K in GPT-5.2 — OpenAI's next GPT model is coming—and soon, according to a person with knowledge of it.

Posted from: this blog via Microsoft Power Automate.