# How We Test TanStack AI Across 7 Providers

How TanStack AI runs 137 deterministic tests across 7 LLM providers in ~2 minutes on every PR using a mock server instead of real API calls.

**Type:** article
**Added:** 2026-05-20
**Link:** https://tanstack.com/blog/how-we-test-tanstack-ai-across-7-providers
**Topics:** AI, Dev Tools
**Tags:** testing, agents

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