Using Claude Code to benchmark Codex reasoning effort levels
From the community · not tested by us
To settle whether higher reasoning effort uses Codex limits better, they had Claude Code benchmark the model on low, medium, high and xhigh effort.
Details
Posted by@Alpaca_Capital
DateSep 10, 2026
Category🧪 Web dev & testing
Found viaX
Summary written by ToolPassed from the public post. Claims are the poster’s; we haven’t reproduced this.