Grok 4.3

Release Date: Apr 30, 2026     Creator: xAI

Grok 4.3 is the flagship model of xAI. It combines speed with lower hallucination rates.

Model Specifications
Knowledge Cutoff
December 2025
N/A
Context (VividLLM)
64,000 Tokens
N/A Tokens
With a context window of 64,000 tokens, this model can 'remember' and analyze up to 96 pages of data at once. This makes it a top choice for processing technical manuals and multi-chapter reports.
Context (Native)
1,000,000 Tokens
N/A Tokens
Input ModalitiesTextImagePDFTextImagePDF
Output TypeTextText
Max Output81928192
Input Weight
2.00 x (Casual)
N/A
Output Weight
1.49 x (Casual)
N/A
Industry Benchmarks
Intelligence Index (Artificial Analysis) 53.2 N/A
Coding Index (Artificial Analysis)41N/A
Math Index (Artificial Analysis)N/AN/A
Response Speed
Output Tokens per second 200.90 N/A
Median Time to First Token Seconds21.65sN/A
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Benchmarks accessed via : Artificial Analysis

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