Best Free SQL AI tools

Spice AI is an open‑source platform that fuses SQL federation with hybrid vector, full‑text, and keyword search, enabling unified queries across databases and lakes. It supports local or hosted LLM inference, real‑time change capture, and secure sandboxed AI serving.

EverSQL is an AI‑driven optimizer for PostgreSQL and MySQL that rewrites queries and recommends indexes. Its continuous monitoring sensor supplies actionable performance insights, cost‑saving suggestions, and schema simplification, all without accessing sensitive data.

Innic is a cross‑platform database manager for MySQL, PostgreSQL, SQLite, and DuckDB. It includes an editor with syntax highlighting, AI suggestions, direct data editing, CSV/JSON/Excel import, CSV or SQL export, dark mode, and no data collection.

Reindeer is a schema-aware SQL assistant that integrates into your IDE to generate production-ready queries, provide real-time autocomplete, translate plain-English prompts into SQL, and detect and repair syntax and logic errors to speed development.

The tool is a SQL-related chatbot that utilizes the OpenAI API key to connect to a local browser and store data. It allows for follow-up corrections and remembers previous conversations.