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Claude Sonnet 4

Developed by Anthropic

Modality: Multimodal • Context: 200k • API-only
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Overview

Claude Sonnet 4 is Anthropic's balanced model in the Claude 4 family, released alongside Opus 4 on May 22, 2025. It sets new standards for AI agents with strong coding, writing, and visual reasoning capabilities. It complements Opus 4 by balancing performance, responsiveness, and cost, making it well-suited for high-volume production tasks. Pricing: $3/$15 per million input/output tokens.

Model Specifications

Provider: Anthropic
Modality / Type: Multimodal
Pricing Model: API-only
Context Window: 200k
Release Date: May 22, 2025

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