Live prompting interviews are hard: good prompts are subtle, and latency matters

brandon_galang · x · 2026-09-06

On live prompting as an interview loop: good prompts aren't flashy — they're subtly open-ended, delegate reasoning to the agent, and demand knowing when something looks off. The author used GPT 5.4 in Codex and spent much of the interview waiting on runs; he'd pick a lower-latency model like Gemini Flash 3.7 next time.

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