Claude Sonnet 4.6

Anthropic

High-performance Claude model balancing intelligence and speed. Ideal for most production workloads including coding, analysis, and content generation.

Text Generation API Claude Family v4.6

Documentation Back to Models

Parameters

-

params

Context Window

1.0M

tokens

Max Output

64K

tokens

Input Price

$3

per 1M tokens

Output Price

$15

per 1M tokens

Claude Family 13 models

The full Claude line by generation — pricing and capabilities vary across the family.

4.7

Opus 4.7 Latest

Complex reasoning, advanced coding, research, agentic workflows

4.6

Sonnet 4.6 Current

General-purpose, coding, analysis, content generation

$3 / $15

in / out · 1M

Feb 2026

Complex reasoning, advanced coding, research, agentic workflows

4.5

Best for coding, agents, computer use

Fast, affordable frontier performance

Best coding model, complex agents

4

Agentic tasks, 74.5% SWE-bench

Advanced reasoning, hybrid thinking modes

Balanced intelligence and speed

3.5

Coding, analysis, writing, vision

3.5 Sonnet (Bedrock)

Enterprise AWS integration

3

Fast responses, simple tasks

Complex analysis, research

Capabilities

👁️

Vision

⚡

Function Calling

📋

JSON Mode

🌊

Streaming

💬

System Prompt

🖥️

Code Execution

🔍

Web Search

🔌

MCP Support

Extended Pricing

Input

$3/1M

Output

$15/1M

Cache Read

$0.3/1M

Cache Write

$3.75/1M

Details

Release Date: February 17, 2026
Knowledge Cutoff: August 1, 2025
Source: API
API Key Required: Yes
License: Proprietary
Model ID: claude-sonnet-4-6

Last updated: March 13, 2026