Upcoming deprecation of Grok Code Fast 1

Short summary

GitHub will deprecate Grok Code Fast 1 on May 15, 2026 across all Copilot experiences (Chat, inline edits, code completions, ask mode, agent modes). Developers must migrate to the replacement model before the deadline. No migration guidance or replacement details provided in the announcement.

• •Grok Code Fast 1 deprecated May 15, 2026 across all GitHub Copilot surfaces
• •Affects Chat, inline edits, code completions, ask mode, and agent modes
• •Developers must migrate; no guidance or alternative model specified in notice

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