Agentsql vs Wren AI

AgentSQL is a web service that turns plain-English questions about connected databases into read-only SQL queries, then returns a chart, table, and plain-English answer. Each response shows the exact SQL, and users can rephrase their question to have the service rewrite and rerun it. Supported connections are Postgres, MySQL, Snowflake, and BigQuery. Connections use least-privilege read-only credentials, can be limited to selected tables, and can be revoked. AgentSQL says it encrypts connections in transit, does not copy database tables or build a shadow warehouse, and does not use database contents, queries, or results to train AI models. It stores query history; Team and Scale also retain result rows. Plans are billed yearly: Starter costs $24 per month, Team $59 per month, Scale $179 per month, and Enterprise $299 per month. Monthly allowances are 600, 1,500, 5,000, and 8,000 questions respectively, with no more than one tenth usable in a day. The service targets founders, operations teams, analysts, and product managers.

Wren AI is a governed data agent for business questions, dashboard creation, and AI-agent data queries over MCP. Its MDL context layer models metrics, relationships, calculations, and approved data, and can be version controlled. The agent plans multi-step analysis, queries data, builds charts, and uses reusable Skills, shared Knowledge, and private project-scoped Memory. Users can describe dashboards, reports, or custom views in plain English, refine them conversationally, and save them as reusable Artifacts. Data connections include Snowflake, BigQuery, Databricks, Redshift, PostgreSQL, MySQL, SQL Server, Oracle, ClickHouse, Trino, Starburst, Athena, and CSV. Claude, ChatGPT, Claude Code, and compatible MCP clients can call Wren AI as a sub-agent. Deployment options include managed or private cloud, self-hosting, and air-gapped setups. The maker describes OIDC identity, project isolation, supported row- or column-level query controls, and audit logs, and labels its cloud SOC 2. Essential Cloud costs $179 a month, billed annually; a free plan is also listed.