xAI Launches Grok 4.3 With Budget Pricing and Voice Cloning, But Coding and Math Weaknesses Draw Criticism
xAI launches Grok 4.3 with ultra-low API pricing, a 1M-token context window, and rapid voice cloning, topping legal and financial benchmarks, but critics slam its coding and math weaknesses and report erratic 'narcolepsy' behavior in autonomous tasks.