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Model comparison Synced Apr 6, 2026

Anthropic: Claude 3.7 Sonnet vs Anthropic: Claude Opus 4

Side-by-side comparison of Anthropic: Claude 3.7 Sonnet and Anthropic: Claude Opus 4. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

Anthropic: Claude 3.7 Sonnet leads overall

Anthropic: Claude 3.7 Sonnet 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 3.7 Sonnet

Budget-conscious workflowsLong-form content generation

Best for with Anthropic: Claude Opus 4

No clear advantages identified

Side-by-side

Technical specifications

Anthropic: Claude 3.7 Sonnet Anthropic: Claude Opus 4
Provider Anthropic Anthropic
Input price $3/M $15/M
Output price $15/M $75/M
Context window 200K 200K
Max output 64K 32K
Capabilities
Tool useVisionReasoning
Tool useVisionReasoning
Released Feb 24, 2025 May 22, 2025

Scoring breakdown

How each dimension compares

Price

Anthropic: Claude 3.7 Sonnet leads

Anthropic: Claude 3.7 Sonnet

$15/M tokens

Anthropic: Claude Opus 4

$75/M tokens

Context Window

Anthropic: Claude 3.7 Sonnet

200K tokens

Anthropic: Claude Opus 4

200K tokens

Capabilities

Anthropic: Claude 3.7 Sonnet

3/4

Anthropic: Claude Opus 4

3/4

Max Output

Anthropic: Claude 3.7 Sonnet leads

Anthropic: Claude 3.7 Sonnet

64K tokens

Anthropic: Claude Opus 4

32K tokens

Recency

Anthropic: Claude 3.7 Sonnet

Feb 2025

Anthropic: Claude Opus 4

May 2025

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