Grok 4 Fast Reasoning by xAI

Grok 2

Grok 2 is a frontier language model with state-of-the-art reasoning capabilities. It features advanced capabilities in chat, coding, and reasoning, outperforming both Claude 3.5 Sonnet and GPT-4-Turbo on the LMSYS leaderboard.

Grok 2 Vision

Grok 2 vision model excels in vision-based tasks, delivering state-of-the-art performance in visual math reasoning (MathVista) and document-based question answering (DocVQA). It can process a wide variety of visual information including documents, diagrams, charts, screenshots, and photographs.

Grok 3 Beta

xAI's flagship model that excels at enterprise use cases like data extraction, coding, and text summarization. Possesses deep domain knowledge in finance, healthcare, law, and science.

Grok 3 Fast Beta

xAI's flagship model that excels at enterprise use cases like data extraction, coding, and text summarization. Possesses deep domain knowledge in finance, healthcare, law, and science. The fast model variant is served on faster infrastructure, offering response times that are significantly faster than the standard. The increased speed comes at a higher cost per output token.

Grok 3 Mini Beta

xAI's lightweight model that thinks before responding. Great for simple or logic-based tasks that do not require deep domain knowledge. The raw thinking traces are accessible.

Grok 3 Mini Fast Beta

xAI's lightweight model that thinks before responding. Great for simple or logic-based tasks that do not require deep domain knowledge. The raw thinking traces are accessible. The fast model variant is served on faster infrastructure, offering response times that are significantly faster than the standard. The increased speed comes at a higher cost per output token.

Grok 4

xAI's latest and greatest flagship model, offering unparalleled performance in natural language, math and reasoning - the perfect jack of all trades.

Grok 4 Fast Non-Reasoning

Grok 4 Fast is xAI's latest multimodal model with SOTA cost-efficiency and a 2M token context window. It comes in two flavors: non-reasoning and reasoning. Note: prompts and responses may be retained and used for training by the provider while the model is free.

Grok Code Fast 1

xAI's latest coding model that offers fast agentic coding with a 256K context window.