xAI Docs Release Notes
Models
- Added documentation for three new models:
grok-4.20-0309-non-reasoning,grok-4.20-0309-reasoning, andgrok-4.20-multi-agent-0309. - Updated the Models page with static Model Pricing, Imagine Pricing, and Voice Pricing tables.
Pricing
- Replaced dynamic placeholders on the Pricing page with detailed tables covering:
- Model pricing (per-million-token rates for new and existing models)
- Imagine Pricing (image and video generation costs)
- Voice Pricing (realtime, speech-to-text, and text-to-speech rates)
Rate Limits
- Added rate-limit entries (RPS) for the new Imagine models (
grok-imagine-image,grok-imagine-image-quality,grok-imagine-video,grok-imagine-video-1.5) and the three new grok-4.20 models on the Rate Limits page.