Resource detail

Claude Sonnet 4

Anthropic's high-performance model for coding, long documents, and complex reasoning.

OverseasPaidChinese support

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At a glance

claude-sonnet-4

Pricing

Paid

Access

Platforms

Web

Chinese support

Yes

Last checked

2026-08-29

Popularity

93/100

Model background

Closed weights

Claude Sonnet 4 is Anthropic's balanced Claude model, combining response speed, coding ability, long-document handling, and complex reasoning.

Why it mattered

Claude Sonnet 4 is Anthropic's balanced Claude model, combining response speed, coding ability, long-document handling, and complex reasoning.

Official linkhttps://www.anthropic.com/claude/sonnet

Model capabilities

Multimodal ✓Reasoning ✓Coding ✓Tool use ✓Long context ✓

Context length

200K tokens

API price

USD 3 / 15 /1M tokens

Provider

anthropic

Typical use

Code refactoringLong-document analysisAgent

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