Model comparison Synced Apr 6, 2026

Anthropic: Claude 3.7 Sonnet (thinking) vs OpenAI: o1-pro

Side-by-side comparison of Anthropic: Claude 3.7 Sonnet (thinking) and OpenAI: o1-pro. 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 price and capabilities, making it the stronger choice for most workflows. OpenAI: o1-pro remains competitive with advantages in max output.

Best for with Anthropic: Claude 3.7 Sonnet (thinking)

Budget-conscious workflowsMulti-modal tasks

Best for with OpenAI: o1-pro

Long-form content generation

Side-by-side

Technical specifications

	Anthropic: Claude 3.7 Sonnet (thinking)	OpenAI: o1-pro
Provider	Anthropic	OpenAI
Input price	$3/M	$150/M
Output price	$15/M	$600/M
Context window	200K	200K
Max output	64K	100K
Capabilities	Tool useVisionReasoning	VisionReasoning
Released	Feb 24, 2025	Mar 19, 2025

View Anthropic: Claude 3.7 Sonnet (thinking) profile View OpenAI: o1-pro profile

Scoring breakdown