GET /v1/models/{model_id}.
usage.cost: that call’s charge in USD, to six decimals.0.0is a charge of zero.- Included in: chat, including streamed chat, embeddings, and transcription.
- Transcription: uses
input_audio_seconds.
Billing variations
USD per 1 million tokens, unless that model’s catalog page says otherwise.method and response_format do not change the price.
- By tokens
- By images
- By seconds
Most models bill per token. For example, google/gemma-4-26b-a4b-it bills $0.10 / 1M input tokens and $0.30 / 1M output tokens.
Billing transparency
Rates are published, not quoted. You can read what a model costs before you call it, then check what a call cost after.- Before the call: every model lists its rates in
pricingonGET /v1/openai/modelsandGET /v1/models/{model_id}. The same rates appear on the model catalog. - After the call:
usage.costis the charge for that request in USD.
pricing follows how the model bills: tokens, images, or audio seconds.
- By tokens
- By images
- By seconds
For the example below, google/gemma-4-26b-a4b-it is priced in USD per 1 million tokens.
Model catalog
Current rates for every model.
Get Model
Full response schema, including
pricing.