Model comparison Synced Apr 6, 2026

Anthropic: Claude 3.7 Sonnet (thinking) vs xAI: Grok 3 Beta

Side-by-side comparison of Anthropic: Claude 3.7 Sonnet (thinking) and xAI: Grok 3 Beta. 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. xAI: Grok 3 Beta remains a solid alternative depending on your specific needs.

Best for with Anthropic: Claude 3.7 Sonnet (thinking)

Long document processingMulti-modal tasksLong-form content generation

Best for with xAI: Grok 3 Beta

No clear advantages identified

Side-by-side

Technical specifications

	Anthropic: Claude 3.7 Sonnet (thinking)	xAI: Grok 3 Beta
Provider	Anthropic	xAI
Input price	$3/M	$3/M
Output price	$15/M	$15/M
Context window	200K	131K
Max output	64K	N/A
Capabilities	Tool useVisionReasoning	Tool use
Released	Feb 24, 2025	Apr 9, 2025

View Anthropic: Claude 3.7 Sonnet (thinking) profile View xAI: Grok 3 Beta profile

Scoring breakdown