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xAI Docs

xAI · Docs

xAI Docs

June 28, 2026 at 6:17 PM UTC

xAI Docs Release Notes

Changelog

xAI Docs Release Notes

Models

  • Added documentation for three new models: grok-4.20-0309-non-reasoning, grok-4.20-0309-reasoning, and grok-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.
Older release← Jun 28, 16:17 UTCNewer release→ Jun 29, 08:17 UTC
All xAI Docs releases →