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Limits

Grok limit changes

We compare SpaceXAI's public limits, pricing and plan pages once a day. Every difference is recorded here, with what the page said before and what it says now.

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Archive start. We began watching these pages on August 16, 2026. Changes SpaceXAI made before that date are not in this archive, so an empty list means we have seen no change since we started — not that nothing ever changed.

Tracked page changes

  • October 12, 2026Grok model updates, safety identifier, and new documentationThe SpaceXAI release notes have been updated to reflect the rebranding of 'SpaceXAI' to 'SpaceXSI', alongside the addition of Grok 4.7, 4.6, and 4.5 models to the xAI API, and the introduction of a new 'Image Prompting Guide'. The safety_identifier feature for attributing policy violations has also been updated to reflect the new company name.
  • October 2, 2026Voice Transcription Model Update: grok-voice-transcribe-1.0 End of LifeThe `grok-voice-transcribe-1.0` model is now deprecated, with an end-of-life date of October 2, 2026. Requests previously directed to `grok-voice-transcribe-1.0` are now automatically routed to the newer `grok-voice-transcribe-2.0` model by default, at the same price point.
  • September 28, 2026Grok 4.7 Model Updates and New Safety Identifier FieldThe Grok 4.7 model now specifies pricing for cached input tokens and includes details about its 'Fast' variant, while a new request field allows associating policy violations with specific end-users.
  • September 21, 2026SpaceXAI Introduces Grok 4.7 Model with New Pricing and FeaturesSpaceXAI has introduced Grok 4.7, its latest frontier model, replacing Grok 4.6 on the xAI API as of September 21, 2026. The new model features a larger context window, multimodal input capabilities, and a revised pricing structure based on token usage and prompt size.
  • September 15, 2026SpaceXAI Release Notes Update: Regional Endpoints Section AddedThe SpaceXAI release notes have been updated to include a new section titled 'Regional Endpoints'. No specific details regarding the endpoints themselves, their availability, or their impact on existing services are provided in this change.
  • September 7, 2026SpaceXAI Release Notes Page Content Structure ChangesThe SpaceXAI release notes page has undergone a restructuring, replacing general documentation and feature listings with a more focused set of API-related and product-specific topics. The previous 'Docs' section, introductory guides, and client-side features have been removed, while new API components, detailed feature descriptions, and specific retirement dates for Imagine Image Quality and a model have been added.

Verified limit figures

  • August 12, 2026API — API pricing tiersGrok 4.6 launched with two-tier pricing keyed on prompt size. This is the first entry in the quota history: changes made before this date are not in our archive.— → $2 / $0.50 cached / $6 under 200k; $4 / $1 / $12 above USD per 1M tokens