Every Data & SQL comparison and buyer's guide for building AI agents — 2 pieces and counting. Each is a head-to-head or a “best X for Y” roundup with a sources-backed verdict.
Top systems clear 90% on academic SQL benchmarks and 30–60% on real enterprise warehouses. The gap isn't the model's syntax — it's your schema. And the leaderboards are half wrong.
The hard part of letting an agent query your database is not the model that writes the SQL. It is feeding that model your schema. Three open-source projects bet on that, and one fine-tuned model bets against it.