Sider AI Assistants Multi-model AI browser assi... 4.5 ✓ Free 3.5h/wk saved From $8.30 5 plans

Sider Review

// Ai Assistants Updated: Dec 2026
Best Free Option

Sider is an AI browser assistant that brings 30+ AI models directly into your browser sidebar. With Deep Research Agent analyzing 100+ sources, Browser Agent for task automation, and cross-platform apps for Windows, macOS, iOS, and Android, Sider eliminates the need for multiple AI subscriptions while keeping AI assistance just a click away.

01

Pricing Breakdown

Free
$0 /month
  • 30 Basic Credits daily (GPT-4o mini, Claude 3.5 Haiku, DeepSeek V3, Gemini 2.0 Flash)
  • 8 PDF files (200 pages/file)
  • 20 Painter queries
  • Limited YouTube summaries
  • Basic AI sidebar
  • Basic image tools
  • Chrome & Edge extensions
Basic
$8.30 /month
  • Higher Basic Credits limit
  • Access to Advanced AI Models
  • Access to Super Advanced AI Models (DeepSeek-R1, o3-mini, o1)
  • Enhanced PDF processing
  • Enhanced YouTube summaries
  • Wisebase knowledge hub
  • All platform apps
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Annual billing available for Pro and Unlimited plans at the same monthly rate with longer commitment. More plans are available, see our detailed Pricing Page for more information.

02

Feature Analysis

Sider excels at multi-model AI integration and browser-based productivity. The platform's standout features include Group AI chat for comparing model responses side-by-side, Deep Research Agent analyzing 100+ sources with Elite Credits, and seamless sidebar integration across browsers.

Multi-Model AI Access

Excellent

Access to 30+ models including GPT-4o, Claude 4.5 Sonnet, DeepSeek-R1, o3-mini, and o1 without separate subscriptions

Browser Integration

Excellent

Seamless sidebar across Chrome, Edge, Safari eliminates tab-switching; Web Creator generates complete websites

Research Tools

Excellent

Deep Research Agent analyzes 100+ web pages for cited reports; Group AI chat compares models simultaneously

Cross-Platform Availability

Excellent

Apps for Windows, macOS, iOS, Android with cloud sync; consistent experience across all platforms

Document & Video Processing

Good

ChatPDF with unlimited processing on higher tiers; video upload support with transcript chat; YouTube summarization

Pricing & Value

Good

Unlimited plan at $16.70/month vs $100+ for individual model subscriptions; credit system can be confusing

Key Capabilities

  • Multi-model AI access (30+ models including GPT-4o, Claude 4.5 Sonnet, Gemini 2.0 Pro, DeepSeek-R1, o3-mini, o1)
  • Deep Research Agent - analyzes 100+ web pages for well-cited, in-depth reports with Elite Credits system
  • Browser Agent - automates web tasks with plain language commands (pause anytime)
  • Group AI chat - compare responses from multiple models simultaneously in one conversation
  • Browser sidebar integration across Chrome, Edge, Safari with no tab switching required
  • Wisebase - personal AI knowledge hub with video upload support and multi-file chat capabilities
  • REC Notes - auto-transcribed audio/video notes with AI-enhanced structuring and real-time sync
  • Web Creator - generate complete websites through natural language with React-based adaptive layouts
  • Think (R1) Mode - toggle reasoning mode on/off for any model with simplified model selector
  • ChatPDF with intelligent document analysis (unlimited processing on higher tiers)
  • Video & YouTube summarization with timestamped insights, local file uploads, and transcript chat
  • Web scraping and data extraction capabilities for automated information gathering
  • Multi-language translation and grammar checking across 50+ languages
  • Cross-platform apps (Windows, macOS, iOS, Android) with cloud sync
  • Nano Banana image tool support for enhanced AI image generation
03

The Honest Truth

// TL;DR
Sider consolidates access to 30+ leading AI models in one browser sidebar with Deep Research Agent, Browser Agent automation, ChatPDF analysis, and REC Notes transcription. The Unlimited plan provides unlimited access to all models at a fraction of the cost of individual subscriptions. Ideal for researchers, writers, and professionals needing multi-model AI without tab-switching.
Key Strengths
  • 30+ AI Models in One Subscription - Access GPT-4o, Claude 4.5 Sonnet, DeepSeek-R1, o3-mini, o1, Gemini 2.0 Pro without paying for separate subscriptions-saves $100+/month compared to individual plans.
  • Seamless Browser Sidebar Integration - AI assistance available in Chrome, Edge, Safari sidebar-no tab switching, no copy-paste, no workflow disruption.
  • Deep Research Agent with 100+ Source Analysis - Automatically analyzes 100+ web pages to produce well-cited, in-depth research reports with Elite Credits system for power users.
  • Group AI Chat for Model Comparison - Compare responses from multiple models simultaneously in one conversation-see which model handles your query best.
  • 40,000+ Five-Star Chrome Reviews - 4.9/5 rating on Chrome Web Store with 40K reviews and 10M+ users demonstrate proven reliability and user satisfaction.
Notable Limitations
  • Confusing Credit System - 'Unlimited' plan reported to have hidden limitations with Elite Credits-users cite pricing transparency concerns and credit confusion.
  • Very Limited Free Tier - Only 30 basic model queries per day with no access to advanced models (GPT-4o, Claude, o1)-insufficient for serious evaluation.
  • Performance Issues with Multiple Models - Running multiple AI models simultaneously causes high CPU/memory usage-not suitable for low-spec devices.
  • Steep Learning Curve - Extensive feature set (sidebar, agents, Wisebase, Web Creator, REC Notes) overwhelming for new users-requires time investment.
  • No Enterprise Reviews - Limited review coverage makes it difficult to assess enterprise reliability - mixed reviews (2.7/5 from 7 reviews) raise concerns.
04

Who Should Use This

Multi-Source Researchers

Best Fit

Users needing Deep Research Agent to analyze 100+ web pages with cited reports-perfect for academic research, market analysis, and investigative journalism.

Content Creators & Writers

Best Fit

Writers benefiting from Group AI chat to compare Claude vs GPT responses-optimize tone, style, and accuracy across different models.

Multilingual Professionals

Best Fit

Users requiring translation across 50+ languages with real-time grammar checking-ideal for international teams and global content.

Document-Heavy Professionals

Good Fit

Users processing large PDFs, videos, and YouTube content with ChatPDF and video upload support-lawyers, analysts, educators.

Developers Needing Code Assistance

Good Fit

Programmers wanting access to multiple coding models (GPT-4o, Claude, DeepSeek) without dedicated IDE extensions-browser-based help.

Enterprise Teams on Fixed Budgets

Not Ideal

Organizations needing predictable AI costs with transparent enterprise pricing-no reviews and credit confusion make vendor selection risky.

05

vs. Competition

ToolRatingPriceFree TierKey FeatureNoteBest For
4.5 From $8.30 Multi-Model AI Access Browser Integration Multi-model AI browser assistant
4.7 From $8 Creative Writing Coding Assistance General-purpose AI assistance
4.2 From $20 Source Citations Frontier Model Access Research-oriented work requiring citations
4.0 From $20 Reasoning & Analysis Code Generation Long-form writing and content creation
06

Frequently Asked Questions

No, Sider requires an active internet connection to function since it accesses cloud-based AI models (GPT-4o, Claude, DeepSeek). The browser extension and desktop apps need connectivity to communicate with model APIs.
Basic models (GPT-4o mini, Claude 3.5 Haiku, DeepSeek V3, Gemini 2.0 Flash) are faster, lightweight models available on the Free plan. Advanced models (GPT-4o, Claude 3.5 Sonnet, Gemini 2.0 Pro) require paid plans and offer higher quality. Super Advanced models (DeepSeek-R1, o3-mini, o1) are reasoning-focused models available on Basic tier and above.
Sider uses three credit types: Basic Credits for lightweight models, Advanced Credits for premium models, and Elite Credits for agent features (Deep Research, AI Slides). The Free plan provides 30 Basic Credits daily. Paid plans increase limits, with the Unlimited plan ($16.70/month) offering genuinely unlimited Basic and Advanced Credits plus Elite Credits for agents.
Yes, Sider's Safari extension is available on all paid plans (Starter, Basic, Pro, Unlimited). The Free plan only includes Chrome and Edge extensions. Safari users need at least the $4.20/month Starter plan for browser sidebar access.
07

ROI Calculator

Calculate your potential ROI with Sider

SiderResearch ROI Calculator

// Calculate Your Research Time Savings
// Your Research Inputs
Your hourly rate$50
Research queries per day5
Mins per query (traditional)3m
Monthly subscription$8.30
Calculation Assumptions:
- 35% research time reduction based on Chrome Web Store user reviews (4.9/5 from 40K reviews)
- Multi-model access eliminates $100+/month in separate AI subscriptions
- Deep Research Agent analyzes 100+ sources vs manual 10-20 source review
- Calculation assumes $50/hour professional rate for time savings
// Your Results
Annual ROI
0%
Monthly Savings
$0
Annual Savings
$0
Cost/Use
$0.00
Efficiency Gain
0%
Time reclaimed0h / month
Start Researching Smarter
Free tier available