grok-4-3-betaGrok 4.3 Beta is a Grok-family AI model, from xAI, released Apr 17, 2026.
Scores on standardized evaluations. Higher is better — and rank shows where Grok 4.3 Beta lands among all models tracked on Model Beat.
Graduate-level scientific reasoning
Factual accuracy & hallucination
Novel ML problem-solving
Human-rated web development
Olympiad-qualifier math
Model & benchmark data from Epoch AI (CC BY); pricing, specs & descriptions from OpenRouter.