I Tested Grok 4.3 on 18 Long-Horizon Agent Tasks — The 10× Cheaper xAI Model Embarrassed Opus 4.7
Towards AI
Chew Loong Nian - AI ENGINEER
xAI flipped the switch on the Grok 4.3 API on April 30, 2026. No livestream. No model card. No press release. Just a quiet pricing-page… Continue reading on Towards AI »