Model xAI

xAI Grok 4 reasoning model.

xAI Grok 4.1 Fast, a low-latency tool-calling model with a 2M-token context window.

xAI Grok Code Fast 1, a fast reasoning model tuned for agentic coding.

Grok 4.3 is a new model matching the scale of Grok 4.20 with an improved architecture and a December 2025 knowledge cutoff.

Grok 4.7 is SpaceXAI’s advanced AI model for coding and professional knowledge work, built to tackle complex, multi-hour tasks with improved self-verification and long-context handling.

xAI's fast coding model trained specifically for agentic coding.

Grok 4.6 builds on Grok 4.5 with a particular focus on long-running agents and more ambitious interactive and visual work.

SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

Grok 4.20 Beta is the newest flagship model from xAI with industry-leading speed and agentic tool calling capabilities.

Grok 4.20 Beta is the newest flagship model from xAI with industry-leading speed and agentic tool calling capabilities.

Grok 4.20 Beta is the newest flagship model from xAI with industry-leading speed and agentic tool calling capabilities.

Grok 4.20 Beta is the newest flagship model from xAI with industry-leading speed and agentic tool calling capabilities.

Multiple agents collaborate in parallel to perform deep research tasks.

Multiple agents collaborate in parallel to perform deep research tasks.