Claude Sonnet 4.6

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claude-sonnet-4-6 · Anthropic · text

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Platform

Anthropic

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API Pricing

Input / 1M

$3/M$2.1/M30% OFF

Output / 1M

$15/M$10.5/M30% OFF

Cache Read / 1M

$0.3/M$0.21/M30% OFF

Overview

Sonnet 4.6 is Anthropic's balanced model, offering 1M context with a blend of intelligence and speed. It supports Extended Thinking, visual understanding, tool calling, and Computer Use, making it well suited for everyday coding, document analysis, and agent tasks.

Capabilities

1M context; Extended Thinking; Computer Use; visual understanding; tool calling; MCP compatible; prompt caching (cache_read 10%, cache_write 1.25×); JSON mode; Function Calling.

Use Cases

Everyday code generation and refactoring; multi-turn conversational agents; long-document analysis; image understanding; structured data extraction; enterprise customer support and assistants.

Limitations

Does not generate images; max_tokens capped at 64K; high concurrency requires an enterprise quota; Extended Thinking consumes additional tokens.

Examples

Claude Code

Anthropic official CLI coding agent. Multi-file edits, tool use, long-context reasoning.

Terminal

export ANTHROPIC_AUTH_TOKEN="YOUR_API_KEY"
export ANTHROPIC_BASE_URL="https://api.robovai.com"
export ANTHROPIC_MODEL="claude-sonnet-4-6"
claude

Context Window

200K ctx

Thinking Mode

Not supported

Overview

Anthropic most capable model for coding and complex reasoning