> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Pricing

## Fields

| Field                  | Type                                                                   | Required             | Description                                                                                                                                                                                                                                                                                                                                                                                                                          |
| ---------------------- | ---------------------------------------------------------------------- | -------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `audio`                | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price in USD per audio input token                                                                                                                                                                                                                                                                                                                                                                                                   |
| `audio_output`         | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price in USD per audio output token                                                                                                                                                                                                                                                                                                                                                                                                  |
| `completion`           | *str*                                                                  | :heavy\_check\_mark: | Price in USD per token for completion (output) generation                                                                                                                                                                                                                                                                                                                                                                            |
| `discount`             | *Optional\[float]*                                                     | :heavy\_minus\_sign: | Fractional discount applied to this endpoint's pricing; the price is multiplied by (1 - discount) (0 = no discount, 1 = free)                                                                                                                                                                                                                                                                                                        |
| `image`                | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price in USD per input image                                                                                                                                                                                                                                                                                                                                                                                                         |
| `image_output`         | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price in USD per output image                                                                                                                                                                                                                                                                                                                                                                                                        |
| `image_token`          | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price in USD per image token                                                                                                                                                                                                                                                                                                                                                                                                         |
| `input_audio_cache`    | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price in USD per cached audio input token                                                                                                                                                                                                                                                                                                                                                                                            |
| `input_cache_read`     | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price in USD per cached input token (read)                                                                                                                                                                                                                                                                                                                                                                                           |
| `input_cache_write`    | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price per cache-write token, in USD per token. For providers with multiple cache TTLs (e.g. Anthropic), this is the default (5-minute) cache-write rate.                                                                                                                                                                                                                                                                             |
| `input_cache_write_1h` | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price per 1-hour cache-write token, in USD per token. Only present for providers that price an extended (1-hour) cache TTL separately, such as Anthropic.                                                                                                                                                                                                                                                                            |
| `internal_reasoning`   | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price in USD per internal reasoning token                                                                                                                                                                                                                                                                                                                                                                                            |
| `overrides`            | List\[[components.PricingOverride](../components/pricingoverride.mdx)] | :heavy\_minus\_sign: | Conditional overrides of the base pricing (e.g. long-context or time-based pricing). An entry applies when all of its condition fields (e.g. min\_prompt\_tokens, or the utc\_start/utc\_end time window) match the request; among applicable entries, later entries win per key; price keys absent from an entry inherit the base price. The top-level pricing keys always reflect the price that applies under default conditions. |
| `prompt`               | *str*                                                                  | :heavy\_check\_mark: | Price in USD per token for prompt (input) processing                                                                                                                                                                                                                                                                                                                                                                                 |
| `request`              | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price in USD per request                                                                                                                                                                                                                                                                                                                                                                                                             |
| `web_search`           | *Optional\[str]*                                                       | :heavy\_minus\_sign: | Price in USD per web search                                                                                                                                                                                                                                                                                                                                                                                                          |