Grok 4 vs Gemini 2.5 Flash

Detailed comparison of capabilities, features, and performance.

Feature
Grok 4
Gemini 2.5 Flash
Model Image
Grok 4
Gemini 2.5 Flash
AI Lab
xAI
Google
Context Size
256,000 tokens
1,048,576 tokens
Max Output Size
8,000 tokens
64,000 tokens
Frontier Model
Yes
No
Vision Support
Yes
Yes
Description
xAI's flagship enterprise model (256k context). Excels at data extraction, coding, summarization.
Multimodal model that is fast, token efficient and performant for complex tasks. 1M context window.

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