Sider AI logo

Sider AI Pricing 2026

Complete pricing guide for Sider AI — plans, costs, and free options.

FreemiumFree plan + paid from $4.99/monthUpdated April 6, 2026

💰 Sider AI Pricing Overview

Sider AI uses a freemium pricing model. Free tier available with optional paid upgrades. Current pricing: Free (limited queries/day). Pro $4.99/mo or $39.99/yr (unlimited GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro).. Sider AI is a popular productivity tool known for ai sidebar for your browser — chat, summarize, translate, and generate right on any webpage. You can get started with Sider AI for free and upgrade to a paid plan as your needs grow.

🔍 Compare Before You Buy

Comparing Sider AI to similar tools helps you make the best choice for your budget and needs:

ChatGPT

Freemium

OpenAI's conversational AI assistant powered by GPT-4

Free plan + paid from $20/month

Compare with Sider AI

Perplexity

Freemium

AI search engine with cited, real-time answers

Free plan + paid from $20/month

Compare with Sider AI

Kagi

Paid

Premium ad-free search with AI summaries

Starting at $5/month

Compare with Sider AI
💡

Complete Your Productivity Stack

Sider AI users also rely on these tools to enhance their workflow:

💰 Affiliate disclosure: We may earn a commission if you sign up through these links at no extra cost to you.

Sider AI Plans & Pricing

Free

$0forever

(limited queries/day)

Most Popular

Pro

$4.99/month

or $39.99/yr (unlimited GPT-4o

Gemini 1.5 Pro).

See website

* Pricing information is based on publicly available data and may not reflect current promotions, annual discounts, or regional pricing. Visit the official Sider AI website for the latest pricing.

Is Sider AI Free?

Yes, Sider AI offers a free plan

Sider AI offers a free tier that lets you try the platform without any payment. The free plan typically includes core features with usage limits. For power users, paid plans unlock additional features, higher limits, and priority support.

Sider AI Feature Comparison

Here's how Sider AI's key features are typically distributed across pricing tiers. Feature availability is estimated based on common SaaS patterns — check the official site for exact tier details.

FeatureFreeProGemini 1.5 Pro).
Multi-model chat (GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, DeepSeek R1)
Page summarization — one click to summarize any article
Text highlight actions (explain, translate, improve, tone change)
In-browser PDF reader with AI chat
AI Search (real-time web answers with sources)
Image generation from sidebar
Writing assistant inside Gmail and Google Docs
YouTube video summarization and Q&A
4M+ active users across Chrome, Edge, Safari

✓ = Full access · ◐ = Limited · — = Not available. Feature availability is estimated and may vary.

Is Sider AI Worth It?

Sider AI is a freemium productivity tool that offers 9 key features including Multi-model chat (GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, DeepSeek R1), Page summarization — one click to summarize any article, Text highlight actions (explain, translate, improve, tone change). Sider AI is a browser extension and AI sidebar that adds ChatGPT, Claude, Gemini, and other AI models directly into your browsing experience. It lets you highlight text on any webpage and instantly get explanations, translations, summaries, or ask questions — without switching tabs. Sider also offers a full chat interface, PDF reader, AI search, image generation, and a writing assistant that works inside Gmail, Google Docs, and other web apps. It's one of the most popular AI browser extensions with 4M+ users.

Sider AI is a good choice if you need:

  • Multi-model chat (GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, DeepSeek R1)
  • Page summarization — one click to summarize any article
  • Text highlight actions (explain, translate, improve, tone change)
  • In-browser PDF reader with AI chat
  • AI Search (real-time web answers with sources)

💡 Value Assessment

With a free tier available, Sider AI is an easy recommendation for anyone looking to try productivity tools without financial commitment. The paid plans offer good value for power users who need the additional features and higher usage limits.

Sider AI Key Features

Sider AI comes packed with features that make it a strong contender in the productivity space. Here's what you get:

1.
Multi-model chat (GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, DeepSeek R1)

Available in the free plan with limits — Multi-model chat (GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, DeepSeek R1) helps you work more efficiently with Sider AI.

2.
Page summarization — one click to summarize any article

Available in the free plan with limits — Page summarization — one click to summarize any article helps you work more efficiently with Sider AI.

3.
Text highlight actions (explain, translate, improve, tone change)

Powered by advanced AI models, Sider AI delivers intelligent content generation capabilities.

4.
In-browser PDF reader with AI chat

Powered by advanced AI models, Sider AI delivers intelligent content generation capabilities.

5.
AI Search (real-time web answers with sources)

Powered by advanced AI models, Sider AI delivers intelligent content generation capabilities.

6.
Image generation from sidebar

Powered by advanced AI models, Sider AI delivers intelligent image generation capabilities.

7.
Writing assistant inside Gmail and Google Docs

Powered by advanced AI models, Sider AI delivers intelligent content generation capabilities.

8.
YouTube video summarization and Q&A

Available in the free plan with limits — YouTube video summarization and Q&A helps you work more efficiently with Sider AI.

9.
4M+ active users across Chrome, Edge, Safari

Available in the free plan with limits — 4M+ active users across Chrome, Edge, Safari helps you work more efficiently with Sider AI.

Sider AI Alternatives & Their Pricing

Considering alternatives to Sider AI? Here's how competing tools compare on pricing:

ChatGPT

Freemium

OpenAI's conversational AI assistant powered by GPT-4

Pricing: Free tier available. Plus $20/mo, Team $25/user/mo, Enterprise custom

Perplexity

Freemium

AI search engine with cited, real-time answers

Pricing: Free tier. Pro $20/mo with unlimited Pro searches

Kagi

Paid

Premium ad-free search with AI summaries

Pricing: Starter $5/mo 300 searches, Professional $10/mo unlimited

Ready to try Sider AI?

Visit the official website for the latest pricing and to get started.

✨ Want featured placement for Sider AI? Get a Sponsored badge and priority visibility.

Get a Sponsored Badge →

Frequently Asked Questions

Is Sider AI free to use?

Yes, Sider AI offers a free tier that you can use without paying. Paid plans starting at $4.99/month unlock additional features and higher usage limits.

How much does Sider AI cost in 2026?

As of 2026, Sider AI pricing is: Free (limited queries/day). Pro $4.99/mo or $39.99/yr (unlimited GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro).. Pricing may vary based on billing cycle (monthly vs annual) and region. Visit the official Sider AI website for the most current pricing.

What is the cheapest Sider AI plan?

The cheapest option is the free tier. If you need premium features, the most affordable paid plan is Pro at $4.99/month.

What are the best alternatives to Sider AI?

Popular alternatives to Sider AI include ChatGPT, Perplexity, Kagi. Each offers different features and pricing structures. Compare them on AISO Tools to find the best fit for your needs and budget.

Is Sider AI worth the price?

Sider AI is well-regarded in the productivity space, offering features like Multi-model chat (GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, DeepSeek R1), Page summarization — one click to summarize any article, Text highlight actions (explain, translate, improve, tone change). Whether it's worth the investment depends on your specific needs, usage volume, and budget. The free tier lets you try it before committing to a paid plan.

Learn More