How do their growth rates compare?

Perplexity has a month-over-month growth rate of -3.7%; Summary Box has —.

How does pricing compare?

Perplexity: Freemium. Offers a permanent Free tier with unlimited Quick Searches, 3 Pro Searches per day, and 1 Deep Research query per month; Perplexity Pro costs $20/month ($200/year) and Perplexity Max costs $200/month ($2,000/year) for individuals. Team plans start at $40/seat/month ($400/seat/year) for Enterprise Pro and $325/seat/month for Enterprise Max, alongside usage-based Sonar API billing. Summary Box: Free. Listed as free on the Chrome Web Store; no paid tiers are shown in the extension listing.

What are alternatives to Perplexity and Summary Box?

Other tools in related categories include ChatGPT, Google Gemini, Claude, Grok, Genspark.ai.

Head-to-Head Benchmark

Perplexity vs Summary Box

Perplexity records 88,310,223 monthly visits with -3.7% month-over-month growth and Freemium pricing. Summary Box records 0 monthly visits with — growth and Free pricing.

PerplexityFreemiumTraffic Leader

Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.

Monthly Visits

88.31M

MoM Velocity

-3.7%

Top Market

🇺🇸 United States

View Perplexity Analysis

perplexity.ai

Summary BoxFree

A Chrome agent that reads your feeds and condenses them to what actually matters

Monthly Visits

0

MoM Velocity

—

Top Market

🌐 Global

View Summary Box Analysis chromewebstore.google.com

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Perplexity	Summary Box
Official Domain	perplexity.ai	chromewebstore.google.com
Pricing Model	Freemium	Free
Monthly Visits	88.31M (88,310,223)	0 (0)

Primary Market & Share	🇺🇸 United States (25.5%)	🌐 Global (—)

Direct Visits / mo	63.32M	0

User Rating	4.7	3.9

Supported Platforms	Website	Browser Extension

Perplexity

Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.

Deep Research Autonomous Reports

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.

Multi-Model Routing & Model Council

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.

Perplexity Spaces & Hybrid RAG

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.

Perplexity Computer & Comet Assistant

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.

Strengths & Pros

+Every generated statement links directly to numbered, verifiable web or document sources, drastically reducing ungrounded LLM hallucinations.
+Deep Research mode delivers comprehensive, multi-page synthesis reports at a fraction of the time required for manual desk research.

Frequently Asked Questions: Perplexity vs Summary Box

Perplexity has 88,310,223 monthly visits, while Summary Box has 0. Traffic estimates describe audience size, not product quality.

More Head-to-Head Matchups

ChatGPT vs Perplexity

6.14B visits/mo

ChatGPT vs Summary Box

6.05B visits/mo

Google Gemini vs Perplexity

2.73B visits/mo

Google Gemini vs Summary Box

2.64B visits/mo

Claude vs Perplexity

1.34B visits/mo

Claude vs Summary Box

1.25B visits/mo

Best Alternatives to Perplexity & Summary Box (12)

+Broad model optionality lets subscribers use Sonar, Claude, OpenAI, and Gemini models under a single $20/month subscription.

+Focused search scopes (Academic, Finance, Web, Social) and Spaces allow clean separation between general browsing and domain-specific knowledge work.

Limitations

–The Free tier is tightly restricted to 3 Pro Searches per day and just 1 Deep Research query per month with no manual model selection.
–Power users requiring heavy agentic Computer runs or uncapped o3-pro/Opus-level research must jump from $20/month Pro to the steep $200/month Max tier.
–Synthesized summaries can still inherit inaccuracies if underlying top-ranked web sources contain outdated or biased reporting.

Summary Box

A Chrome agent that reads your feeds and condenses them to what actually matters

Single consolidated feed

Instead of checking a dozen separate feeds, the agent brings the best items from each source into one consolidated view.

Reads beyond headlines

Summary Box opens the underlying articles, videos and threads and reads the actual content, not just the headline.

Condenses to what matters

Content is condensed down to the few things worth your time, filtered against what it has learned about your interests.

Flags new versus known

The agent tells you what is genuinely new and cuts items you have effectively already seen, so you are not reading the same story twice.

Strengths & Pros

+Consolidates many feeds into a single view instead of requiring tab-by-tab checking
+Reads full article, video and thread content rather than relying on headlines
+Flags new items and suppresses material you have already seen
+Learns your interests from normal browsing with no setup forms

Limitations

01

ChatGPT

6B/mo

Offers deeper conversational reasoning and coding agents, but lacks Perplexity's dedicated inline citation-first search layout.

AI ChatbotFreemium+2.2%

#1

02

Google Gemini

2.6B/mo

Leverages Google's vast search index for real-time answers, but offers a standard chat interface rather than deep research feeds.

AI ChatbotFreemium62% direct

Google Gemini web interface powered by Gemini 4 Carbon and Argon

#2

03

Claude

1.3B/mo

Provides exceptional analytical depth and writing quality, but does not focus purely on web-sourced search summaries.

AI AssistantFreemium+23.8%

#3

04

Grok

203.8M/mo

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

AI AssistantFreemium66% direct

05

Genspark.ai

10.2M/mo

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

AI Search EngineFreemium, Paid, Contact for Pricing73% direct

Screenshot of a Genspark.ai Sparkpage answer with summarised sources

06

Semantic Scholar

8.2M/mo

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

AI Research ToolFree+5.8%

Semantic Scholar search interface showing AI TLDR summaries and citation context for a scientific paper

07

Consensus

6M/mo

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

AI Search EngineFreemium49% direct

Consensus search results with a Consensus Meter showing scientific agreement on a research question

08

Kagi Search

4.6M/mo

Combines privacy-focused web search with AI summarization, though it requires a paid subscription for full access.

AI Search EngineFree Trial, Paid+3.2%

Screenshot of Kagi search results with source ranking controls and an AI-generated summary

09

Monica

4.5M/mo

All-in-one AI assistant across web, browser, desktop and mobile

AI AssistantFreemium55% direct

Monica web app showing an AI chat conversation with model selector and sidebar tools

10

Sider

2.6M/mo

AI sidebar and browser agent for reading, writing and research

AI AssistantFreemium64% direct

Sider sidebar summarising a web article with model picker visible

11

Merlin AI

1.4M/mo

One AI assistant that plugs ChatGPT, Claude and Gemini into every tab

AI AssistantFreemium+13.1%

Screenshot of the Merlin AI Chrome extension summarizing an article with multiple AI models available

12

Glasp

889.6K/mo

Highlight the web, learn in public, and build your AI clone

AI Research ToolFreemium45% direct

Glasp library showing highlights with notes, tags and AI-generated summaries

Visit

ChatGPT

6B/mo+2.2%

Official

Offers deeper conversational reasoning and coding agents, but lacks Perplexity's dedicated inline citation-first search layout.

AI Chatbot73% direct

Freemium

Visit

Google Gemini

2.6B/mo

Official

Leverages Google's vast search index for real-time answers, but offers a standard chat interface rather than deep research feeds.

AI Chatbot62% direct

Freemium

Visit

Claude

1.3B/mo+23.8%

Official

Provides exceptional analytical depth and writing quality, but does not focus purely on web-sourced search summaries.

AI Assistant72% direct

Freemium

Visit

Grok

203.8M/mo

Official

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

AI Assistant66% direct

Freemium

Visit

Genspark.ai

10.2M/mo

Official

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

AI Search Engine73% direct

Freemium, Paid, Contact for Pricing

Visit

Semantic Scholar

8.2M/mo+5.8%

Official

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

AI Research Tool23% direct

Free

Visit

Consensus

6M/mo

Official

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

AI Search Engine49% direct

Freemium

Visit

Kagi Search

4.6M/mo+3.2%

Combines privacy-focused web search with AI summarization, though it requires a paid subscription for full access.

AI Search Engine94% direct

Free Trial, Paid

Visit

Monica

4.5M/mo

All-in-one AI assistant across web, browser, desktop and mobile

AI Assistant55% direct

Freemium

Visit

Sider

2.6M/mo

AI sidebar and browser agent for reading, writing and research

AI Assistant64% direct

Freemium

Visit

Merlin AI

1.4M/mo+13.1%

One AI assistant that plugs ChatGPT, Claude and Gemini into every tab

AI Assistant50% direct

Freemium

Visit

Glasp

889.6K/mo

Highlight the web, learn in public, and build your AI clone

AI Research Tool45% direct

Freemium

Perplexity vs Summary Box

Side-by-Side Traffic & Specification Matrix

Perplexity

Strengths & Pros

Frequently Asked Questions: Perplexity vs Summary Box

How do Perplexity and Summary Box compare in monthly traffic?

How do their growth rates compare?

How does pricing compare?

What are alternatives to Perplexity and Summary Box?

More Head-to-Head Matchups

Best Alternatives to Perplexity & Summary Box (12)

Limitations

Summary Box

Strengths & Pros

Limitations