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Perplexity
Sonar Deep Research
Perplexity’s deepest research tier with citation and search-query pricing components.
Overall score
86
deep-researchcitationssearch
Context window
Search-context dependent
Speed
Deliberate
Input pricing
$2 / 1M input tokens
Output pricing
$8 / 1M output tokens
Score breakdown
Capability89
Use-case fit94
Cost efficiency73
Speed70
Reliability87
Agent readiness81
Ecosystem84
Scores combine benchmark signals, product experience, and editorial weighting. Use them as a practical guide, not an absolute truth claim.
Best for
Research
Works with
deep research workflowscitation-heavy reportsanalyst assistants
Modalities
textsearch
Sources & trust
Officially verified core fields
Official linkSummaryDescriptionTool supportPricingPricing page
Editorial fields such as shortlist guidance, strengths, caveats, and scoring remain clearly separated from official provider data.
Perplexity official
Official site · Tier 5 · Apr 9, 2026
Official link
Sonar Deep Research docs
Official docs · Tier 5 · Apr 9, 2026
SummaryDescriptionTool support
Perplexity pricing
Pricing page · Tier 5 · Apr 9, 2026
PricingPricing page
Sonar Deep Research VerdictLens review
Manual review · Tier 3 · Apr 9, 2026
Best-fit guidanceWorks-with guidanceStrengthsCaveatsOverall scoreScore breakdown
Last verified: Apr 9, 2026
Strengths
- Built specifically for deeper research and citation-heavy output.
- Makes source-backed reporting more explicit than generic chat models.
Things to watch
- The pricing model has multiple moving parts and needs careful review.
- Latency and cost profile are less suitable for lightweight interactive use.