
Offers deeper conversational reasoning and coding agents, but lacks Perplexity's dedicated inline citation-first search layout.
#1Perplexity records 88,310,223 monthly visits with -3.7% month-over-month growth and Freemium pricing. Process Street records 226,993 monthly visits with +17.8% growth and Free Trial, Contact for Pricing pricing.

Turn policies into AI-enforced workflows you can prove
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | perplexity.ai | process.st |
| Pricing Model | Freemium | Free Trial, Contact for Pricing |
| Monthly Visits | 88.31M (88,310,223) | 226.99K (226,993) |
| MoM Traffic Delta |
| -3.39M (-3.7%) |
| +34.31K (+17.8%) |
| Primary Market & Share | 🇺🇸 United States (25.5%) | 🇺🇸 United States (56.1%) |
|---|
| Direct Visits / mo | 63.32M | 150.68K |
|---|
| User Rating | 4.7 | 4.3 |
|---|
| Supported Platforms | Website | Website |
|---|
Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
Executes multi-step iterative web and document research across hundreds of sources, cross-checking facts and generating structured, citation-backed analytical reports that can be exported as PDFs or shared as interactive Perplexity Pages.
Lets Pro and Max subscribers switch dynamically between Perplexity's in-house Sonar models and top external models (including Claude 4, o3-pro, and Gemini) or compare multi-model reasoning outputs side by side.
Provides dedicated project workspaces where users upload local PDFs, spreadsheets, and text files, configure custom assistant instructions, and run queries that combine private document retrieval with live internet search.
Extends Perplexity from passive Q&A into agentic execution, turning high-level user requests into completed workflows, multi-tab browser actions, and automated data synthesis via the Comet ecosystem.

Turn policies into AI-enforced workflows you can prove
Centralise policies and SOPs with version control and governance mapped to frameworks such as ISO 9001, SOC 2, SOX and FDA requirements.
Turn policies into structured workflows with owners, due dates, conditional logic and approvals, so every step is followed rather than assumed.
Monitors regulatory changes, automates the associated work and flags risks and gaps before they turn into audit findings.
Records who completed each step and when, with required file uploads, form entries and approvals attached to the task.

Offers deeper conversational reasoning and coding agents, but lacks Perplexity's dedicated inline citation-first search layout.
#1
Leverages Google's vast search index for real-time answers, but offers a standard chat interface rather than deep research feeds.
#2Provides exceptional analytical depth and writing quality, but does not focus purely on web-sourced search summaries.

Integrates real-time social data search for breaking news, but leans more toward casual chat than structured research.

Delivers agentic multi-source research and page generation, but can feel more cluttered than Perplexity's clean answer engine.

SpecialistOffers a comprehensive free index of academic literature, but lacks conversational chat synthesis for general web queries.


SpecialistFocuses exclusively on peer-reviewed scientific papers for evidence-based answers, unlike Perplexity's broad general web search.


SpecialistConnects thousands of apps for complex automated pipelines, but lacks built-in structured checklists and SOP document management.

Combines privacy-focused web search with AI summarization, though it requires a paid subscription for full access.
Free / Open-sourcePowerful open-source workflow automation with visual node building, though less tailored specifically to document-based SOP checklists.
SpecialistAnalyzes scholarly article citations to verify scientific claims, making it superior for academic literature reviews.
Generates structured, cited answers from live web queries, though with less polished UI and advanced model options.
Offers deeper conversational reasoning and coding agents, but lacks Perplexity's dedicated inline citation-first search layout.
Leverages Google's vast search index for real-time answers, but offers a standard chat interface rather than deep research feeds.
Provides exceptional analytical depth and writing quality, but does not focus purely on web-sourced search summaries.
Integrates real-time social data search for breaking news, but leans more toward casual chat than structured research.
Delivers agentic multi-source research and page generation, but can feel more cluttered than Perplexity's clean answer engine.
SpecialistOffers a comprehensive free index of academic literature, but lacks conversational chat synthesis for general web queries.
SpecialistFocuses exclusively on peer-reviewed scientific papers for evidence-based answers, unlike Perplexity's broad general web search.
SpecialistConnects thousands of apps for complex automated pipelines, but lacks built-in structured checklists and SOP document management.
Combines privacy-focused web search with AI summarization, though it requires a paid subscription for full access.
Free / Open-sourcePowerful open-source workflow automation with visual node building, though less tailored specifically to document-based SOP checklists.
SpecialistAnalyzes scholarly article citations to verify scientific claims, making it superior for academic literature reviews.
Generates structured, cited answers from live web queries, though with less polished UI and advanced model options.