head-to-head

xAI: Grok 4.3 vs xAI: Grok 4.20

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-05-01.

xAI: Grok 4.3 xAI: Grok 4.20
Vendorx-aix-ai
Quality Score100100
Input Price$1.25/M$1.25/M
Output Price$2.50/M$2.50/M
Context Window1,000,0002,000,000
Max Output--
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--

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