Google API: models and pricing

It depends on the model: from $0.050 to $2.00 per million input tokens. The cheapest is Gemma 3 4B ($0.050 / $0.100); the newest is Gemini 4 Hydrogen ($1.50 / $7.50). Data as of 11/14/2026.

No: the Google API is pay-as-you-go, billed per million tokens. The cheapest model, Gemma 3 4B, costs $0.050 per million input tokens and $0.100 per million output tokens, so light use costs cents. Any free credits depend on Google's own offer.

Yes, on 26 of its 34 models. For example, Gemini 4 Hydrogen charges $0.075 per million cached input tokens instead of $1.50: 95% less. The cache applies when you resend the same beginning of a prompt, like a long system prompt or a document.

For 10,000 requests a month of 1,500 input tokens and 400 output tokens: Gemma 3 4B costs about $1.15 and Gemini 4 Hydrogen about $52.50. Each model's page has a calculator for your own numbers.

34 chat models in the catalog, as of 11/14/2026. Each one has its own sheet with pricing, context and capabilities.

From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.

It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.