Feature
Grok 3 Fast
o3
Model Image
AI Lab
xAI
OpenAI
Context Size
131,000 tokens
200,000 tokens
Max Output Size
8,000 tokens
100,000 tokens
Frontier Model
Yes
Yes
Vision Support
No
Yes
Description
Faster Grok 3 with identical quality (131k context). Low latency for time-sensitive tasks.
o3 is powerful across all domains. It excels at Math, Science, Coding and Visual Reasoning tasks. Best for multi-step problems, not everyday.
Learn more about Grok 3 Fast
View detailed specifications and capabilities
View model details →Learn more about o3
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