Grok 4.1 vs Claude 4.5 Opus

Detailed comparison of capabilities, features, and performance.

Grok 4.1

Grok 4.1

xAI
VS
Claude 4.5 Opus

Claude 4.5 Opus

Anthropic
Feature Grok 4.1 Claude 4.5 Opus
AI Lab xAI Anthropic
Context Size 2,000,000 tokens 200,000 tokens
Max Output Size 32,000 tokens 64,000 tokens
Frontier Model Yes Yes
Vision Support Yes Yes
Description xAI's flagship enterprise model (2M context). Excels at data extraction, coding, summarization. The latest Opus 4.5 model from Anthropic

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