Xai
Models published by Xai, available through the AnyRouter API. Each can route across multiple upstream providers for availability and price.
xAI's most cost-effective reasoning model, featuring strong tool-calling capabilities and efficient knowledge base synthesis.
xAI's Grok 4.20 multi-agent snapshot (March 2026), optimized for agentic workflows, tool use, and coordinated multi-step task planning and execution.
xAI's Grok 4.20 non-reasoning snapshot (March 2026), optimized for fast standard conversational and analytical tasks without extended chain-of-thought reasoning.
xAI's Grok 4.20 reasoning snapshot (March 2026) featuring extended step-by-step thinking for complex problem-solving, mathematics, and scientific reasoning tasks.
xAI's Grok 4.3 is an iterative update from the Grok 4 series offering improved instruction-following, general reasoning, and broad conversational capabilities.
xAI's Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM. Builds on Grok 4.5 for long-running agents and visual work.
SpaceXAI's frontier model for coding, agentic tasks, and knowledge work — succeeds Grok 4.6 with mandatory adjustable reasoning (low/medium/high/xhigh, default high).
Grok Build 0.1 is an xAI coding and automation model with text and image inputs, a 256,000-token context window, function calling, structured outputs, and reasoning support.