Grok API changelog

Every change to Grok API that Modelpeers has recorded, newest first, each with the source it came from. The record starts May 15, 2026.

October 2026

Grok API

API at SpaceXSI

New release

Grok API adds custom moderation controls for text requests on October 27

A guidelines array on Chat Completions or Responses API requests sets how Grok handles the nsfw, violence and profanity categories. Grok follows the guidelines as it writes its response.

Who is affected:
Developers who call Grok text endpoints and need to control content handling.
What to do:
Add a guidelines array to your requests if you want to set content handling per category.

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