Model comparison Synced Apr 6, 2026

Anthropic: Claude 3.7 Sonnet (thinking) vs OpenAI: GPT-4o Search Preview

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

Verdict

strong confidence

Anthropic: Claude 3.7 Sonnet (thinking) leads overall

Anthropic: Claude 3.7 Sonnet (thinking) leads in context window and capabilities and max output, making it the stronger choice for most workflows. OpenAI: GPT-4o Search Preview remains competitive with advantages in price.

Best for with Anthropic: Claude 3.7 Sonnet (thinking)

Long document processingMulti-modal tasksLong-form content generation

Best for with OpenAI: GPT-4o Search Preview

Budget-conscious workflows

Side-by-side

Technical specifications

	Anthropic: Claude 3.7 Sonnet (thinking)	OpenAI: GPT-4o Search Preview
Provider	Anthropic	OpenAI
Input price	$3/M	$3/M
Output price	$15/M	$10/M
Context window	200K	128K
Max output	64K	16K
Capabilities	Tool useVisionReasoning
Released	Feb 24, 2025	Mar 12, 2025

View Anthropic: Claude 3.7 Sonnet (thinking) profile View OpenAI: GPT-4o Search Preview profile

Scoring breakdown