# Claude 4.5 Sonnet API Pricing

As of October 10, 2026, Claude 4.5 Sonnet costs $3.00 per 1M input tokens and $15.00 per 1M output tokens on Replicate.

- Page: https://models.litellm.ai/models/claude-4.5-sonnet
- Lab: Anthropic
- LiteLLM model name: `replicate/anthropic/claude-4.5-sonnet`
- Added to LiteLLM: January 2026
- Prices updated: October 10, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| Replicate | `replicate/anthropic/claude-4.5-sonnet` | $3.00 | $15.00 | – | – | – | – |

## Cost examples

1,000 requests with 2,000 input and 500 output tokens each:

- Replicate: $13.50

## Features

Supported: Function calling, Parallel tool calls, Structured output, Image input, Prompt caching.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="replicate/anthropic/claude-4.5-sonnet",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does Claude 4.5 Sonnet cost?

Claude 4.5 Sonnet costs $3.00 per 1M input tokens and $15.00 per 1M output tokens on Replicate.

### Which providers offer Claude 4.5 Sonnet?

Claude 4.5 Sonnet is available from Replicate through LiteLLM, using the model name replicate/anthropic/claude-4.5-sonnet.

### How do I call Claude 4.5 Sonnet with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="replicate/anthropic/claude-4.5-sonnet", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

### What features does Claude 4.5 Sonnet support?

Claude 4.5 Sonnet supports function calling, parallel tool calls, structured output, image input and prompt caching.

### When did LiteLLM add Claude 4.5 Sonnet?

Claude 4.5 Sonnet was added to LiteLLM's model price file in January 2026.

Source: LiteLLM model price file, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json