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Claude Opus 5.5 character

Claude Opus 5.5 and Perplexity Agent API

2 products from Anthropic and Perplexity AI

New release

Perplexity Agent API adds the ultra effort level on Claude Opus 5.5

The Agent API now accepts effort="ultra" for broad research and data-gathering tasks where coverage matters most. It runs on anthropic/claude-opus-5-5 and has no frozen configuration.

Who is affected:
Developers using the Agent API who need broad research coverage can now choose a higher effort level.
Suggested next step:
Set effort="ultra" and consider background mode for long runs.

Source

"The Agent API accepts effort="ultra" for broad research and data-gathering tasks where coverage matters most."

Perplexity API changelog

Published

Open the sourcedocs.perplexity.ai

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