Grok 4 vs Gemini 2.5 Flash

Detailed comparison of capabilities, features, and performance.

Grok 4

Grok 4

xAI
VS
Gemini 2.5 Flash

Gemini 2.5 Flash

Google
Feature 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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