# Claude Sonnet 4.6

Best combination of speed and intelligence. Near-Opus performance at Sonnet pricing.

## Overview

- **Provider:** Anthropic
- **Model ID:** `claude-sonnet-4-6`
- **Type:** Chat
- **Canonical URL:** https://modelstack.cc/models/chat/claude-sonnet-4-6
- **Version:** Sonnet 4.6
- **Best for:** Coding, computer use, balanced speed/quality tasks, best value for most use cases

## Pricing

| Usage | Price |
| --- | ---: |
| Input | $3 / 1M tokens |
| Output | $15 / 1M tokens |
| Cache read | $0.3 / 1M tokens |
| Cache write (5 minutes) | $3.75 / 1M tokens |
| Cache write (1 hour) | $6 / 1M tokens |

## Specifications

- **Context window:** 1M
- **Maximum output:** 128K
- **Typical latency:** 16 ms
- **Released:** 2026-02

## Capabilities

- chat
- tool_use
- reasoning
- vision
- coding
- analysis
- long_context

## API usage

Use this model ID in a ModelStack API request:

```json
{
  "model": "claude-sonnet-4-6"
}
```

For the rendered page, visit https://modelstack.cc/models/chat/claude-sonnet-4-6.