Claude Duet vs Grok Bot: Anthropic's first-party agent puts Opus 5.5 resellers on notice
ChrisGPT · x · 2026-10-22
The author flags an overlooked conflict: Grok Bot was rolling out Claude Opus 5.5 as its underlying reasoning model — a smart move — until Anthropic announced Duet, a first-party agent built on that same model with native memory, skills, connectors, and its own execution environment. Why use Opus 5.5 through a third-party bot when Anthropic's own harness is likely better optimized for its models? The post frames Duet as a potential 'I don't wanna play with you anymore' moment for model resellers.
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