Google AI Studio / Gemini API
LLM 6.3/10Strong free prototyping surface with Gemini models and project-level quotas.
Google AI Studio / Gemini API scores 6.3/10 for free value in LLM. The main constraint: Free tier exists; exact RPM/TPM/TPD varies by model, project, region, and live AI Studio limits.
Free value score
6.3 / 10Show the math
Key metrics
Models
18 free · 34 total| Model | Family | AA | Access |
|---|---|---|---|
| Gemini 3.5 Flash | Gemini | 50.2 | free |
| Gemini 3 Flash Preview | Gemini | 27.4 | free |
| Gemini 3.1 Flash-Lite | Gemini | 25 | free |
| Gemini 2.5 Flash | Gemini | 14.1 | free |
| Gemini 2.5 Flash Live Preview | Gemini | 14.1 | free |
| Gemini 2.5 Flash Native Audio (Live API) | Gemini | 14.1 | free |
| Gemini 2.5 Flash Preview TTS | Gemini | 14.1 | free |
| Gemini 2.5 Flash-Lite | Gemini | 14.1 | free |
| Gemini 2.5 Flash-Lite Preview (09-2025) | Gemini | 14.1 | free |
| Gemini 2.0 Flash | Gemini | — | free |
| Gemini 2.0 Flash-Lite | Gemini | — | free |
| Gemini 3.1 Flash Live Preview | Gemini | — | free |
| Gemini 3.1 Flash TTS Preview | Gemini | — | free |
| Gemini Embedding (embedding-001) | Gemini | — | free |
| Gemini Embedding 2 | Gemini | — | free |
| Gemini Robotics-ER 1.6 Preview | Gemini | — | free |
| Gemma 4 | Gemma | — | free |
| Lyria RealTime Experimental | Lyria | — | free |
| Gemini 3.1 Pro Image (Nano Banana Pro) | Gemini | 46.5 | paid |
| Gemini 3.1 Pro Preview | Gemini | 46.5 | paid |
| Gemini 3 Pro Image | Gemini | 39.5 | paid |
| Gemini 2.5 Pro | Gemini | 27 | paid |
| Gemini 2.5 Pro Preview TTS | Gemini | 27 | paid |
| Gemini 2.5 Flash Image (Nano Banana) | Gemini | 14.1 | paid |
| Antigravity Agent Preview | Gemini | — | paid |
| Gemini 2.5 Computer Use Preview | Gemini | — | paid |
| Gemini 3.1 Flash Image (Nano Banana) | Gemini | — | paid |
| Gemini Deep Research Max Preview | Gemini | — | paid |
| Gemini Deep Research Preview | Gemini | — | paid |
| Imagen 4 | Imagen | — | paid |
| Lyria 3 (Pro / Clip Preview) | Lyria | — | paid |
| Veo 2 | Veo | — | paid |
| Veo 3 | Veo | — | paid |
| Veo 3.1 Preview | Veo | — | paid |
What you get
Free tier exists
Limits vary by model
Units: RPM / TPM / TPD
Check live limits in AI Studio
Limitations
- Data used to improve Google products
Free-tier requests are used by Google to improve their models and products; opting out requires upgrading to a paid tier.
Sources
-
"Specified rate limits are not guaranteed and actual capacity may vary."
https://ai.google.dev/gemini-api/docs/rate-limits -
"Start building free of charge with generous limits, then scale up with prepaid then pay-as-you-go pricing for your production ready applications."
https://ai.google.dev/gemini-api/docs/pricing -
"5,000 prompts per month free, shared across Gemini 3 models (per-model daily RPD limits vary and are viewable in AI Studio)."
https://ai.google.dev/gemini-api/docs/pricing -
"Gemini 3.5 Flash (high) is amongst the leading models in intelligence ... 50 Artificial Analysis Intelligence Index"
https://artificialanalysis.ai/models/gemini-3-5-flash