xAI released Grok 4 in mid-2025 as a capable reasoning model featuring vision support, parallel tool calling, and a 256K context window. The model achieves an intelligence index of 33.3, an agentic index of 56.4, and scores of 0.877 on GPQA and 0.819 on LiveCodeBench.
- Priced at $3.00 per million input tokens and $15.00 per million output tokens.
- Ranks #71 of 390 models for overall intelligence and #78 of 296 for agentic tasks.
- Supports structured outputs, function calling, and both image and text inputs.
The model is positioned as a versatile choice for complex software engineering, autonomous agent workflows, and high-accuracy scientific reasoning.