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Perplexity

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1 Useful Machines post on Perplexity

Perplexity readers are already filtering for a specific AI topic, which makes this archive a useful audience signal for sponsors and repeat readers.

2026-04-25 By Jonah Quinn 3 min read

Perplexity makes GPT-5.5 its orchestration default, because tool-calling is the only benchmark that matters

Perplexity is deploying GPT-5.5 as the default orchestrator for its agentic tier. It proves the next phase of AI architecture is a barbell: heavy routers delegating to cheap generators.

Perplexity GPT-5.5 Infrastructure Economics Agentic Workflows