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Model comparison Synced Apr 6, 2026

Anthropic: Claude 3.7 Sonnet (thinking) vs Anthropic: Claude Sonnet 4

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

Verdict

marginal confidence

Anthropic: Claude 3.7 Sonnet (thinking) and Anthropic: Claude Sonnet 4 are closely matched across pricing, context, and capabilities. Your choice depends on workflow-specific factors like provider ecosystem preference and existing integrations.

Side-by-side

Technical specifications

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

Scoring breakdown

How each dimension compares

Price

Anthropic: Claude 3.7 Sonnet (thinking)

$15/M tokens

Anthropic: Claude Sonnet 4

$15/M tokens

Context Window

Anthropic: Claude 3.7 Sonnet (thinking)

200K tokens

Anthropic: Claude Sonnet 4

200K tokens

Capabilities

Anthropic: Claude 3.7 Sonnet (thinking)

3/4

Anthropic: Claude Sonnet 4

3/4

Max Output

Anthropic: Claude 3.7 Sonnet (thinking)

64K tokens

Anthropic: Claude Sonnet 4

64K tokens

Recency

Anthropic: Claude 3.7 Sonnet (thinking)

Feb 2025

Anthropic: Claude Sonnet 4

May 2025

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