Yes
It was spot on, high quality responses and actionable items and explanations on why this or that is bad
jve on Hacker News
In the thread “Gemini 3 Flash: Frontier intelligence built for speed”, replying to this comment
Helped: Providing query, execution plan, and context for specific performance issues.
… I described the issue to GPT5.2, gave the query, the execution plan and asked for help. It was spot on, high quality responses and actionable items and explanations on why this or that is bad, how to improve it and why particularly sql may have generated such a query plan. I could instantly validate the response given my experience in the field. …