Grok 3 Fast vs Claude Opus
Detailed comparison of capabilities, features, and performance.
Feature
Grok 3 Fast
Claude Opus
Model Image
AI Lab
xAI
Anthropic
Context Size
131,000 tokens
204,800 tokens
Max Output Size
8,000 tokens
4,096 tokens
Frontier Model
Yes
Yes
Vision Support
No
Yes
Description
Faster Grok 3 with identical quality (131k context). Low latency for time-sensitive tasks.
Anthropic's most powerful Claude 3 model
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View model details →Learn more about Claude Opus
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