Free-tier head-to-head comparison.
Pick Google AI Studio (Gemini) when long-context tasks (1m tokens), multimodal (image, audio, video), and apps already in gcp.
Pick OpenRouter when a/b testing models, multi-provider failover, building agents that pick model per task. the fastest way to try every frontier model with one key.
| Feature | Google AI Studio (Gemini) | OpenRouter |
|---|---|---|
| Top model | gemini-2.0-flash | meta-llama/llama-3.3-70b-instruct:free |
| Free RPM | 15 | 20 |
| Free RPD | 1,500 | 200 |
| Free credit | — | — |
| Card required | No | No |
| OpenAI-compatible | Yes | Yes |
| API base | https://generativelanguage.googleapis.com/v1beta | https://openrouter.ai/api/v1 |
| Best for | Long-context tasks (1M tokens), multimodal (image, audio, video), and apps already in GCP. | A/B testing models, multi-provider failover, building agents that pick model per task. The fastest way to try every frontier model with one key. |
| Not for | Strict data-privacy users on free tier — Google may use prompts/outputs for product improvement. | Latency-critical use cases — adds a routing hop. Use Groq / direct provider when ms matter. |