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Head-to-head comparison

Sonar Deep Research vs Sonar Reasoning Pro

Sonar Deep Research (Perplexity) and Sonar Reasoning Pro (Perplexity) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 17 August 2026

As of 17 August 2026, Sonar Reasoning Pro holds the stronger ModelCap Index position (#169 vs #232).

Which should you choose?

Choose Sonar Deep Research if…

  • ModelCap publishes no field on which Sonar Deep Research leads Sonar Reasoning Pro for this pair.

Choose Sonar Reasoning Pro if…

  • you want the stronger overall ModelCap Index position — #169 against #232 (22.3 vs 0.0 points).
  • you want the more recently listed model — Sonar Reasoning Pro was listed 7 March 2025, Sonar Deep Research 7 March 2025.

Sonar Deep Research vs Sonar Reasoning Pro: specs, pricing and context

Specification comparison of Sonar Deep Research and Sonar Reasoning Pro
FieldSonar Deep ResearchPerplexitySonar Reasoning ProPerplexity
ModelCap Index position#232#169
Index score0.022.3
EvidenceEstimatedMeasured
Input price / 1M tokens$2.00$2.00
Output price / 1M tokens$8.00$8.00
Context window128K tokens128K tokens
Max output tokens——
API providers listed11
Weight accessAPI onlyAPI only
Input modalitiesTextText, Image
First listed7 March 20257 March 2025
PublisherPerplexityPerplexity

Evidence: publisher corpus prior · leave-one-anchor-out calibrated · 1 public benchmark observation across 1 board. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Sonar Deep Research vs Sonar Reasoning Pro

Public benchmark boards where Sonar Deep Research or Sonar Reasoning Pro has a published result
BoardSonar Deep ResearchSonar Reasoning ProLeads
Artificial Analysis Intelligence IndexArtificial Analysis—18.0intelligence-indexOnly one result

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Sonar Deep Research vs Sonar Reasoning Pro: common questions

Is Sonar Deep Research better than Sonar Reasoning Pro?

Sonar Reasoning Pro ranks higher on the ModelCap Index as of 17 August 2026: #169 against #232. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is Sonar Deep Research cheaper than Sonar Reasoning Pro?

Both list the same output price, $8.00/1M tokens, with input at $2.00/1M and $2.00/1M respectively.

Which has the bigger context window, Sonar Deep Research or Sonar Reasoning Pro?

Both publish a 128K-token context window.

Which is better for coding, Sonar Deep Research or Sonar Reasoning Pro?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are Sonar Deep Research and Sonar Reasoning Pro open-weight models?

Sonar Deep Research: API only. Sonar Reasoning Pro: API only. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Sonar Deep Research and Sonar Reasoning Pro?

ModelCap currently lists 1 API provider for Sonar Deep Research and 1 for Sonar Reasoning Pro, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Sonar Deep Research vs Sonar Reasoning Pro comparison?

Every figure comes from the sealed ModelCap dataset published 17 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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