●Plain HTML + data attributes
●Deterministic rendering
●Built for AI agents
●React-based
●Component-driven
●Established framework
●Runs locally, no cloud
●Easy CI/CD embedding
●Strong agent affinity
●No real-time collaboration
●No keyframe editor
●Setup learning curve
HeyGen's open-source video framework HyperFrames is now officially available on xAI's Grok.