Grok 4

Grok 4, released by xAI in July 2025, represents a major leap in mathematical and scientific reasoning capabilities. The model achieves perfect 100% accuracy on AIME 2025, 96.7% on HMMT25 (Harvard-MIT Math Tournament), 61.9% on USAMO 2025 (USA Mathematical Olympiad), and 88.4-88.9% on GPQA (graduate-level science questions). These results demonstrate exceptional performance on elite-level mathematics and science problems.

Grok 4 outperforms Claude 4 Opus, Gemini 2.5 Pro, and GPT-4o across multiple benchmarks, establishing it as one of the strongest reasoning models available. The latest beta version (4.20, released February 2026) introduces rapid-learning capabilities and 4-agent parallel collaboration, allowing the model to coordinate multiple specialized reasoning processes simultaneously.

The multi-agent parallel collaboration feature represents an innovative approach to complex problem-solving, enabling Grok 4 to break down challenging tasks and tackle them from multiple angles simultaneously. Combined with its exceptional mathematical reasoning and rapid learning capabilities, Grok 4 demonstrates xAI's commitment to pushing the boundaries of AI reasoning and agentic capabilities.