Sonar Deep Research

Perplexity research family for multi-step web synthesis, citations, and deeper reasoning loops.

Capabilities

Modalities: text→text
Capabilities: reasoningwebSearchbatchSupportpromptCachingfunctionCallingstructuredOutputs
Strengths: Deeper search synthesis, Research-oriented workflows
Tradeoffs: Extra search/citation fees apply

Official Links

Intro

Docs

Pricing

Release note

Benchmark	Version	Score	Date	Source	Notes

Release	Alias	Lifecycle	Release Date	Deprecation	Shutdown	Summary
Sonar Deep Research	sonar-deep-research	Active	Mar 15, 2025	—	—	Current published model family snapshot.

Host	Type	Context	Pricing Note	Differences
Perplexity API	first-party	128.0K	Search, citation, and research request fees apply in addition to token pricing.	Deep research workflow

Migration Guidance

Upgrade when Sonar Pro or Reasoning Pro is not deep enough for research-heavy tasks.

Replacement models: sonar-reasoning-pro

Change Events

Date	Type	Title	Description	Source
Mar 15, 2025	family_added	Sonar Deep Research published	Initial public model family launch.	Sonar Deep Research release notes