Perplexity Computer swapped its orchestrator model three times in 68 days. Claude Opus 4.6 held the helm for 51 days from Feb 25 to Apr 16. Claude Opus 4.7 took over for 16 days from Apr 17 to May 3 and shipped alongside Personal Computer on Mac. GPT 5.5 became the default for Pro and Max on May 4. This page is the canonical record of every swap, the launch context, and what each model was picked to handle.
Perplexity Computer orchestrator timeline: Claude Opus 4.6, Claude Opus 4.7, GPT 5.5
Period
Model
Role and reason
Days
Feb 25 – Apr 16, 2026
Claude Opus 4.6
Launch default. Picked for extended agentic reasoning and instruction following. 19 specialist subagents fan out from this core.
51
Apr 17 – May 3, 2026
Claude Opus 4.7
Shipped with Personal Computer on Mac. A meaningful step up on long-running tasks, coding, and multimodal reasoning.
16
May 4, 2026 →
GPT 5.5
Becomes default for Pro and Max. Designed to help Computer handle bigger jobs faster, from research and multi-step browsing to longer workflows that need the AI to keep going without drifting off course.
