Multiple Agents Tested, None Beat Codex
yihui_indie · x · 2026-07-11
The author ran an experiment: across several Agent products offering GPT-5.6 Sol, they used identical but complex prompts to generate Skills, and then used those Skills to complete tasks.
The conclusion: none of the platforms delivered better results than Codex, and the gap was "very significant" in the author's view.
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