Claude Sonnet 4 (latest)

Claude Sonnet 4 (latest): a claude-sonnet model from Anthropic, ~200K context, knowledge cutoff 2025-03-31

Published

scheduleReleased：May 22, 2025

Claude Sonnet 4 (latest) is a claude-sonnet model from Anthropic (~200K context, input around $3/1M tokens). Suitable for assistants, content generation, knowledge Q&A and business automation

descriptionOverview

Overview

Claude Sonnet 4 (latest) is provided by Anthropic, model ID claude-sonnet-4-0

Key specs

Context: 200K tokens
Max output: 64K tokens
Knowledge cutoff: 2025-03-31
Input price: $3/1M
Output price: $15/1M

Best for

Consider Claude Sonnet 4 (latest) when comparing context length, pricing, multimodal support and relay availability

lightbulbUse cases

Image and multimodal Q&A
Visual content analysis
Document and screenshot understanding

thumb_upStrengths

Very long context (~200K), good for long documents and codebases
Supports image and multimodal input
High single-response output limit (~64K)

infoLimitations

Knowledge cutoff 2025-03-31; newer facts need external retrieval
Pricing and availability vary by upstream and relay; verify with official docs and tests

linkReferences

open_in_newhttps://docs.anthropic.com/en/docs/about-claude/models