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Model comparison Synced Apr 6, 2026

Anthropic: Claude Opus 4 vs Anthropic: Claude Sonnet 4

Side-by-side comparison of Anthropic: Claude Opus 4 and Anthropic: Claude Sonnet 4. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

Anthropic: Claude Sonnet 4 leads overall

Anthropic: Claude Sonnet 4 leads in price and max output, making it the stronger choice for most workflows. Anthropic: Claude Opus 4 remains a solid alternative depending on your specific needs.

Best for with Anthropic: Claude Opus 4

No clear advantages identified

Best for with Anthropic: Claude Sonnet 4

Budget-conscious workflowsLong-form content generation

Side-by-side

Technical specifications

Anthropic: Claude Opus 4 Anthropic: Claude Sonnet 4
Provider Anthropic Anthropic
Input price $15/M $3/M
Output price $75/M $15/M
Context window 200K 200K
Max output 32K 64K
Capabilities
Tool useVisionReasoning
Tool useVisionReasoning
Released May 22, 2025 May 22, 2025

Scoring breakdown

How each dimension compares

Price

Anthropic: Claude Sonnet 4 leads

Anthropic: Claude Opus 4

$75/M tokens

Anthropic: Claude Sonnet 4

$15/M tokens

Context Window

Anthropic: Claude Opus 4

200K tokens

Anthropic: Claude Sonnet 4

200K tokens

Capabilities

Anthropic: Claude Opus 4

3/4

Anthropic: Claude Sonnet 4

3/4

Max Output

Anthropic: Claude Sonnet 4 leads

Anthropic: Claude Opus 4

32K tokens

Anthropic: Claude Sonnet 4

64K tokens

Recency

Anthropic: Claude Opus 4

May 2025

Anthropic: Claude Sonnet 4

May 2025

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