Chat models › Claude
Claude Opus 5
Claude Opus 5
chat Claude 2600 tokens per 1M tokens $0.005 per token
Pricing
| Option | Tokens | Unit | ≈ USD |
|---|---|---|---|
| chat, Input | 520 | per 1M tokens | $2.6000 |
| chat, Output | 2600 | per 1M tokens | $13.0000 |
The price is held when the task is created and settled to actual consumption when it completes; a failed task releases the hold.
How to order
This model is listed for its price and is not ordered through the API yet.
Field lists and refusal codes — API reference.
Model parameters
What the model itself understands; the ordering calls above take their own fields and pass these on.
| Name | Type | Required | Description |
|---|---|---|---|
messages |
array | required | Conversation messages in chronological order. |
tools |
array | optional | Optional callable tools. Each tool includes a name, description, and input_schema. |
thinkingFlag |
boolean | optional | Project-specific thinking flag used by the current Claude adapter. |
stream |
boolean | optional | If set to true, the response is returned as an SSE stream. Default:
True |
max_tokens |
number | optional | Optional Claude output token limit. Leave empty to use the default of 4096. Default:
4096 |