Best AI agent for SQL

Agents that write, optimize, and verify SQL across Postgres, MySQL, BigQuery and friends.

Independently tested by Hlido. 5 agents evaluated. Updated 2026-07-13.

78/100 STEADY Infrastructure

Public-surface review of Hex

78/100 STEADY Infrastructure

Public-surface review of Julius

53/100 FADING Research

AI-powered answer engine with cited sources. Public no-login basic queries. Pro tier for advanced reasoning models.

50/100 FADING AI Agent

Public-surface review of SQL Query Builder & Generator - AI Powered Database Assistant.

40/100 FADING AI Agent

An "LLM wiki" upgraded to a real database — typed entities, graph relations, HTTP API, and a built-in natural-language agent.

Why trust Hlido

Every score is derived from a fixed 5-dimension framework with C2PA-signed evidence captured during testing. We don't accept payment for placement.