How do their growth rates compare?

Peeka has a month-over-month growth rate of —; Sider has -10.6%.

How does pricing compare?

Peeka: Free. Free. Peeka is offered as a free Chrome extension, and its Chrome Web Store listing shows no paid tiers or subscription options. Sider: Freemium. Freemium. Free tier available with limited credits; paid plans advertised at roughly US$10/month for occasional use up to around US$100/month at the top tier, with higher credit allowances and a dedicated cloud computer on the upper plans.

What are alternatives to Peeka and Sider?

Other tools in related categories include ChatGPT, Claude, Monica, Merlin AI, Glasp.

Head-to-Head Benchmark

Peeka vs Sider

Peeka records 0 monthly visits with — month-over-month growth and Free pricing. Sider records 2,644,740 monthly visits with -10.6% growth and Freemium pricing.

PeekaFree

Your personal YouTube GPT for instant transcripts, TL;DW summaries and chapter insights

Monthly Visits

0

MoM Velocity

—

Top Market

🌐 Global

View Peeka Analysis

chromewebstore.google.com

SiderFreemiumTraffic Leader

AI sidebar and browser agent for reading, writing and research

Monthly Visits

2.64M

MoM Velocity

-10.6%

Top Market

🇺🇸 United States

View Sider Analysis sider.ai

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Peeka	Sider
Official Domain	chromewebstore.google.com	sider.ai
Pricing Model	Free	Freemium
Monthly Visits	0 (0)	2.64M (2,644,740)
MoM Traffic Delta

Primary Market & Share	🌐 Global (—)	🇺🇸 United States (13.3%)

Direct Visits / mo	0	1.7M

User Rating	4.2	4.5

Supported Platforms	Browser Extension	Website

Peeka

Your personal YouTube GPT for instant transcripts, TL;DW summaries and chapter insights

Instant YouTube transcript

Pulls the spoken text of the video you are watching and shows it inline, so you can skim instead of scrubbing.

TL;DW summarization

Condenses an entire video into a short 'too long; didn't watch' summary that captures the main argument.

Chapter breakdown with insights

Breaks the video into its chapters and attaches insights to each section, useful for long tutorials or interviews.

Key questions answered

Lists the central questions the video answers, giving you a fast map of what you will learn.

Strengths & Pros

+Covers four distinct needs at once: transcript, summary, chapters and key questions
+Runs directly in the YouTube page, so there is no separate app or dashboard to manage
+Free to install and very small in size
+Actively pitched at viewers who collect more videos than they can watch

Limitations

Frequently Asked Questions: Peeka vs Sider

Peeka has 0 monthly visits, while Sider has 2,644,740. Traffic estimates describe audience size, not product quality.

More Head-to-Head Matchups

Best Alternatives to Peeka & Sider (12)

Sider

AI sidebar and browser agent for reading, writing and research

AI sidebar on any page

A persistent panel that reads the page you are on and answers follow-ups with GPT, Claude or Gemini without copying content into another tab.

Summarise and chat with documents

Summarise long articles, PDFs and YouTube videos, extract key points, and ask detailed questions about the source material.

Translation and read-aloud

Translate webpages, PDFs and images, compare bilingual output side by side, and have content read aloud for review on the move.

Sider Hand browser agent

Delegate multi-step tasks across real websites — price comparison, form filling, research and inbox triage — using your existing logged-in sessions.

Strengths & Pros

+Works inside the browser you already use, with no context switching
+Access to multiple frontier models from one subscription
+Strong reading toolkit: PDF chat, YouTube summaries, translation and read-aloud
+Increasingly capable agent features for multi-step browser tasks

Limitations

–Useful credits run out quickly on the free and lower tiers

–Model availability and quota rules change over time, so expectations must be checked per plan

–Some agent and code features depend on a cloud machine and heavier plans

01

ChatGPT

6B/mo

SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

AI ChatbotFreemium+2.2%

02

Claude

1.3B/mo

SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.

AI AssistantFreemium+23.8%

#2

03

Monica

4.5M/mo

Offers a very similar browser sidebar experience with multiple AI models, but features slightly different pricing and workspace tools.

AI AssistantFreemium55% direct

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

#3

04

Merlin AI

1.4M/mo

Provides robust browser-based summarization and prompt assistance, but lacks some of Sider's deeply integrated multi-model chat UI features.

AI AssistantFreemium+13.1%

Merlin AI Chrome extension sidebar summarizing a webpage

05

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

06

HARPA AI

537.5K/mo

Excels at advanced web automation and data extraction alongside chat, but has a steeper learning curve than Sider.

AI AgentFreemium+99.3%

HARPA AI extension panel showing model selection and page-aware prompt shortcuts on a website

07

Glarity

188.8K/mo

Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser

AI SummarizerFreemium7% direct

Screenshot of Glarity summarizing a YouTube video with timestamped highlights in the sidebar

08

Kome AI

174.9K/mo

Integrates bookmark management and content composition into a clean sidebar, but has a more limited feature set than Sider.

AI SummarizerFreemium30% direct

Kome AI extension summarizing a long article and saving it to the bookmark library

09

Voilà AI assistant browser extension overlay showing chat, writing and summarise options

Voilà — AI Assistant, Chat and Writer

152.2K/mo

Delivers streamlined inline writing and webpage summarization via a browser extension, but with fewer custom sidebar tools.

AI AssistantFreemium45% direct

Voilà — AI Assistant, Chat and Writer interface preview

10

Noiz

148.8K/mo

Summarize any YouTube video into key ideas and timestamped notes in seconds.

AI Youtube SummaryFree Trial29% direct

Noiz summary panel with key idea bullets, timestamps, and a transcript view for a YouTube video

11

Eightify

109.2K/mo

AI summaries that turn long YouTube videos into key ideas in seconds

AI Youtube SummaryFreemium44% direct

Eightify extension displaying timestamped summary points for a long YouTube video

12

TimeSkip

80.1K/mo

AI-generated YouTube chapters and timestamps in seconds

AI Youtube SummaryPaid20% direct

TimeSkip Chrome extension panel inside the YouTube player displaying generated chapter markers and copy button

#1

Visit

ChatGPT

6B/mo+2.2%

Official

SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

AI Chatbot73% direct

Freemium

Visit

Claude

1.3B/mo+23.8%

Official

SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.

AI Assistant72% direct

Freemium

Visit

Monica

4.5M/mo

Offers a very similar browser sidebar experience with multiple AI models, but features slightly different pricing and workspace tools.

AI Assistant55% direct

Freemium

Visit

Merlin AI

1.4M/mo+13.1%

Provides robust browser-based summarization and prompt assistance, but lacks some of Sider's deeply integrated multi-model chat UI features.

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

Visit

HARPA AI

537.5K/mo+99.3%

Excels at advanced web automation and data extraction alongside chat, but has a steeper learning curve than Sider.

AI Agent76% direct

Freemium

Visit

Glarity

188.8K/mo

Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser

AI Summarizer7% direct

Freemium

Visit

Kome AI

174.9K/mo

Integrates bookmark management and content composition into a clean sidebar, but has a more limited feature set than Sider.

AI Summarizer30% direct

Freemium

Visit

Voilà — AI Assistant, Chat and Writer

152.2K/mo

Delivers streamlined inline writing and webpage summarization via a browser extension, but with fewer custom sidebar tools.

AI Assistant45% direct

Freemium

Visit

Noiz

148.8K/mo

Summarize any YouTube video into key ideas and timestamped notes in seconds.

AI Youtube Summary29% direct

Free Trial

Visit

Eightify

109.2K/mo

AI summaries that turn long YouTube videos into key ideas in seconds

AI Youtube Summary44% direct

Freemium

Visit

TimeSkip

80.1K/mo

AI-generated YouTube chapters and timestamps in seconds

AI Youtube Summary20% direct

Paid

Peeka vs Sider

Side-by-Side Traffic & Specification Matrix

Peeka

Strengths & Pros

Limitations

Frequently Asked Questions: Peeka vs Sider

How do Peeka and Sider compare in monthly traffic?

How do their growth rates compare?

How does pricing compare?

What are alternatives to Peeka and Sider?

More Head-to-Head Matchups

Best Alternatives to Peeka & Sider (12)

Sider

Strengths & Pros

Limitations