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Head-to-head comparison

Privasis Cleaner 4B vs Sonar Reasoning Pro

Privasis Cleaner 4B (NVIDIA) 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 #170).

Which should you choose?

Choose Privasis Cleaner 4B if…

  • you want the more recently listed model — Privasis Cleaner 4B was listed 8 June 2026, Sonar Reasoning Pro 7 March 2025.

Choose Sonar Reasoning Pro if…

  • you want the stronger overall ModelCap Index position — #169 against #170 (22.3 vs 22.3 points).
  • you want provider choice — 1 listed API providers against 0.

Privasis Cleaner 4B vs Sonar Reasoning Pro: specs, pricing and context

Specification comparison of Privasis Cleaner 4B and Sonar Reasoning Pro
FieldPrivasis Cleaner 4BNVIDIASonar Reasoning ProPerplexity
ModelCap Index position#170#169
Index score22.322.3
EvidenceInheritedMeasured
Input price / 1M tokensUnlisted$2.00
Output price / 1M tokensUnlisted$8.00
Context window— tokens128K tokens
Max output tokens——
API providers listed01
Weight accessRestricted licenseAPI only
Input modalitiesTextText, Image
First listed8 June 20267 March 2025
PublisherNVIDIAPerplexity

Evidence: finetune · finetune · 1 public benchmark observation across 1 board. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Privasis Cleaner 4B vs Sonar Reasoning Pro

Public benchmark boards where Privasis Cleaner 4B or Sonar Reasoning Pro has a published result
BoardPrivasis Cleaner 4BSonar 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.

Privasis Cleaner 4B vs Sonar Reasoning Pro: common questions

Is Privasis Cleaner 4B better than Sonar Reasoning Pro?

Sonar Reasoning Pro ranks higher on the ModelCap Index as of 17 August 2026: #169 against #170. 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 Privasis Cleaner 4B cheaper than Sonar Reasoning Pro?

At least one of the two has no listed API price on ModelCap right now, so no price comparison is made.

Which has the bigger context window, Privasis Cleaner 4B or Sonar Reasoning Pro?

Both publish a —-token context window.

Which is better for coding, Privasis Cleaner 4B 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 Privasis Cleaner 4B and Sonar Reasoning Pro open-weight models?

Privasis Cleaner 4B: Restricted license. 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 Privasis Cleaner 4B and Sonar Reasoning Pro?

ModelCap currently lists 0 API providers for Privasis Cleaner 4B 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 Privasis Cleaner 4B 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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