Where to use Gemini 2.5 Pro for free

Gemini 2.5 Pro is free on 2 providers today. Permanent free tiers come first, then one-time trials.

ProviderAPI model IDContextFree limitsSign-up
Google AI Studio gemini-2.5-pro 1M Varies by model (per-model limits are now shown only inside AI Studio) No card
Google Vertex AI express mode (Gemini Enterprise Agent Platform) Trial gemini-2.5-pro 1M Gemini 2.5 models: 10 RPM; Gemini 3 models: dynamic limits Free account

Free lists change often. Each provider page shows its full limits and code examples, and every change is logged in the changelog. Want to call it from Claude Code or Cursor? Use the setup generator.