We need to talk about "ultra" mode in Codex

Name: We need to talk about "ultra" mode in Codex
Uploaded: 2026-07-14T00:32:59.000Z
Channel: Theo - T3
Description: This video critiques OpenAI's Codex Ultra mode, explaining how it misleads users by marketed as a reasoning level but actually spawning max-reasoning sub-agents that can exhaust a 5-hour limit in just 20 minutes. Targeted at developers using AI coding assistants who need to understand the cost and behavior implications of Ultra mode.

Gpt 5 Openai Codex Ultra mode Ai coding assistant Reasoning tokens Programming Ai tools Token consumption Developer tools

Theo - T3 July 14, 2026

AI summary

This video critiques OpenAI's Codex Ultra mode, explaining how it misleads users by marketed as a reasoning level but actually spawning max-reasoning sub-agents that can exhaust a 5-hour limit in just 20 minutes. Targeted at developers using AI coding assistants who need to understand the cost and behavior implications of Ultra mode.