With Codex it only happened to me once in my 4.5hr session here: https://simonwillison.net/2025/Dec/15/porting-justhtml/

Claude Code is a whole lot less generous though.

For sure. On one project I kept using codex just to see where the wall was. Took a long time.

	▲	deaux 34 minutes ago \| parent [-]
		It helps that Codex is so much slower than Anthropic models, a 4.5 hours Codex session might as well be a 2 hour Claude Code one. I use both extensively FWIW.

4 hours ago | parent | prev [-]

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