Grok 4.5
SpaceXAI's smartest model built for coding, agentic tasks, and knowledge work.
Grok 4.5 is SpaceXAI's frontier model release for coding, agentic software engineering, and knowledge-work tasks. Official docs list model name `grok-4.5`, multimodal input support as text and image-to-text, and a 500,000-token context window.
Pricing
Model Intelligence
Recent stories
Creators posted demos where Opus 5 built browser 3D games, Codex Sites produced a Three.js game, and Grok 4.5 helped redesign a Steam card game. Some workflows now pair video concepts with Claude Code, but the evidence is demo-based.
Min Choi's workflow assigned Grok 4.5 to research and debugging, Fable 5 to planning and frontend, and GPT-5.6 Sol to complex coding. Shann Holmberg added tactics for effort levels and usage limits.
Min Choi's roundup cites Grok 4.5 building a playable FPS, a UE5 cyberpunk street, a home planner, and tool-using agent setups. Viktor Oddy also posted a Cursor website tutorial using the model.
xAI announced Grok 4.5 as a coding-and-agent model available in the SpaceXAI console, Grok Build, and Cursor. Posts cite $2 per million input tokens, $6 per million output tokens, and delayed EU availability.