xAIGrok 4.3 Yes.
How we confirmed it
Released via official access
April 17, 2026 at 12:00 AM UTC
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Benchmarks
GDP.pdf
Grok 4.3 (High) · via Epoch AI · captured Jul 3, 2026 · source 8
LM Arena#57
grok-4.3 · via LM Arena · 37,636 votes · captured Jul 3, 2026 · source 1443.88
Sourced metrics mirrored with attribution — not community sentiment.
Data from Epoch AI, “AI Benchmarking Hub” (CC BY 4.0). Vibe rating
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