gpt-4o-all vs Grok 4.6

OpenAI gpt-4o-allxAI Grok 4.6
VendorOpenAIxAI
Context window—500,000
Max output—2,000,000
ReasoningNoYes
Tool callingNoYes
File inputNoYes
Input—text, image
Output—text
Released—2026-08-13