# Google AI Studio (Gemini API)

Rate-limited free · API key · code · last checked 13 Sep 2026

Create a key at https://ai.google.dev/gemini-api/docs/rate-limits and call it from your harness.

Free forever, no card, most generous major-provider tier. Live-verified against the v1beta API with an API key (2026-08-12) — model list and context windows are real; per-account quota varies by account age (see AI Studio rate-limit dashboard). Free-tier data may be used for training.

Source: https://ai.google.dev/gemini-api/docs/rate-limits

| Model | Cost | Context | RPM | TPM | RPD | Day tokens | Verified |
| --- | --- | --- | --- | --- | --- | --- | --- |
| gemini-2.5-flash | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-2.5-flash-lite | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-2.5-pro | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-3-flash-preview | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-3.1-flash-lite | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-3.1-flash-lite-preview | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-3.1-pro-preview | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-3.1-pro-preview-customtools | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-3.5-flash | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-3.5-flash-lite | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-3.5-transcribe | $0 | 96K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-3.6-flash | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-3.7-flash | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-3.8-flash | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-flash-latest | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-flash-lite-latest | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-omni-1.1-flash | $0 | 128K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-omni-flash-preview | $0 | 128K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemini-pro-latest | $0 | 1024K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemma-4-26b-a4b-it | $0 | 256K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |
| gemma-4-31b-it | $0 | 256K | Varies by account | Varies by account | Varies by account | Not published | 2026-09-13 |

Machine-readable: /data/google-ai-studio--gemini-api.json

Numbers cross-checked against official docs and third-party trackers as of 2026-09-13. Limits change without notice — this is a map, not a contract.