Logs Reveal X's Grok Bot Quietly Uses Anthropic's Claude Opus
mark_k · x · 2026-08-12
A developer discovered through Cursor logs that X's Grok Bot (@bot) is internally powered by Anthropic's Claude Opus, rather than xAI's own Grok or Composer models.
- The developer speculates that a model selector might be introduced in future versions to allow users to choose the underlying LLM.
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