xAI Releases Grok 4.3: Million-Token Context, Agent Capabilities, and API Price Reductions of 40-60%, Surpassing GPT-5.1 on Private Benchmarks
xAI has launched Grok 4.3, featuring a million-token context window, enhanced agentic tools, and API price cuts of 40-60%. The model outperforms GPT-5.1 on private legal and financial benchmarks, while sparking discussions on pricing disruption and voice cloning risks.