# Claude Sonnet 4.6 API Pricing

As of October 10, 2026, Claude Sonnet 4.6 costs $3.00 per 1M input tokens and $15.00 per 1M output tokens on Anthropic, with cache reads at $0.30 and cache writes at $3.75 per 1M tokens. It has a 1,000,000-token context window and returns up to 128,000 tokens per response.

- Page: https://models.litellm.ai/models/claude-sonnet-4-6
- Lab: Anthropic
- LiteLLM model name: `claude-sonnet-4-6`
- Context window: 1,000,000 tokens
- Max output: 128,000 tokens
- Added to LiteLLM: February 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 |
|---|---|---|---|---|---|---|---|
| Anthropic | `claude-sonnet-4-6` | $3.00 | $15.00 | $0.30 | – | – | 1M |
| Amazon Bedrock | `anthropic.claude-sonnet-4-6` | $3.00 | $15.00 | $0.30 | – | – | 1M |
| Azure AI Foundry | `azure_ai/claude-sonnet-4-6` | $3.00 | $15.00 | $0.30 | – | – | 1M |
| Databricks | `databricks/databricks-claude-sonnet-4-6` | $3.00 | $15.00 | $0.30 | – | – | 1M |
| DeepInfra | `deepinfra/anthropic/claude-sonnet-4-6` | $3.00 | $15.00 | – | – | – | 1M |
| Google Vertex AI | `vertex_ai/claude-sonnet-4-6` | $3.00 | $15.00 | $0.30 | – | – | 1M |
| Google Vertex AI | `vertex_ai/claude-sonnet-4-6@default` | $3.00 | $15.00 | $0.30 | – | – | 1M |
| Perplexity | `perplexity/anthropic/claude-sonnet-4-6` | $3.00 | $15.00 | $0.30 | – | – | – |
| Snowflake Cortex | `snowflake/claude-sonnet-4-6` | $3.00 | $15.00 | $0.30 | – | – | 200K |
| Amazon Bedrock (APAC cross-region) | `apac.anthropic.claude-sonnet-4-6` | $3.30 | $16.50 | $0.33 | – | – | 1M |
| Amazon Bedrock (Australia cross-region) | `au.anthropic.claude-sonnet-4-6` | $3.30 | $16.50 | $0.33 | – | – | 1M |
| Amazon Bedrock (EU cross-region) | `eu.anthropic.claude-sonnet-4-6` | $3.30 | $16.50 | $0.33 | – | – | 1M |
| Amazon Bedrock (Global cross-region) | `global.anthropic.claude-sonnet-4-6` | $3.00 | $15.00 | $0.30 | – | – | 1M |
| Amazon Bedrock (Japan cross-region) | `jp.anthropic.claude-sonnet-4-6` | $3.30 | $16.50 | $0.33 | – | – | 1M |
| Amazon Bedrock (US cross-region) | `us.anthropic.claude-sonnet-4-6` | $3.30 | $16.50 | $0.33 | – | – | 1M |

## Cost examples

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

- Anthropic: $13.50
- Databricks: $13.50
- Amazon Bedrock: $13.50
- Azure AI Foundry: $13.50
- Anthropic batch: $6.75

100 long-document requests with 100,000 input and 2,000 output tokens each:

- Anthropic: $33.00
- Databricks: $33.00
- Amazon Bedrock: $33.00
- Azure AI Foundry: $33.00

## Features

Supported: Function calling, Structured output, Image input, PDF input, Reasoning, Prompt caching, Web search, Computer use.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="claude-sonnet-4-6",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does Claude Sonnet 4.6 cost?

Claude Sonnet 4.6 costs $3.00 per 1M input tokens and $15.00 per 1M output tokens on Anthropic, with cache reads at $0.30 and cache writes at $3.75 per 1M tokens. Batch requests cost $1.50 per 1M input tokens and $7.50 per 1M output tokens.

### What is the context window of Claude Sonnet 4.6?

Claude Sonnet 4.6 has a 1,000,000-token context window and returns up to 128,000 tokens per response.

### Which providers offer Claude Sonnet 4.6?

Claude Sonnet 4.6 is available from 8 providers through LiteLLM: Anthropic, Amazon Bedrock, Azure AI Foundry, Databricks, DeepInfra, Google Vertex AI, Perplexity and Snowflake Cortex. The lowest price is on Databricks.

### How do I call Claude Sonnet 4.6 with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="claude-sonnet-4-6", 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 Sonnet 4.6 support?

Claude Sonnet 4.6 supports function calling, structured output, image input, PDF input, reasoning, prompt caching, web search and computer use.

### When did LiteLLM add Claude Sonnet 4.6?

Claude Sonnet 4.6 was added to LiteLLM's model price file in February 2026.

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