Sider

Active

Country: United States (US)
Founded: 2023
Developer: Sider AI (specific company not named in sources)
Pricing: Freemium
Open source: No
Platforms: Web, Chrome, macOS, Windows, iOS, Android

Indexes

AI Assistants

Overview

Sider is an AI assistant that integrates with web browsers and apps to provide chat, summarization, writing assistance, translation, image generation, and data analysis using models like GPT-4.1, Claude, Gemini, and Grok. It targets users needing productivity tools for reading, writing, research, and content processing on webpages, documents, and images. Standout elements include a floating panel for on-screen analysis, multi-model selection, and file upload support for PDFs, images, and more.

Key Features

Multi-AI Model Chat - Access and switch between models like GPT-4.1, Claude Opus, Gemini, and Kimi for context-aware responses.
Web Page Summarization - Summarize, extract key points, or quiz on webpage content directly.
File Upload Analysis - Upload PDFs, DOCX, PPTX, images, and 30+ formats to chat, extract text, or analyze data.
Floating Panel - Interact with AI without leaving the current app, including screenshot analysis and OCR.
Image Generation - Generate images from text descriptions using integrated tools.
Wisebase Knowledge Base - AI-powered workspace to research, organize, and generate knowledge from files and chats.
Custom Bots and Prompts - Use over 100 preset bots or create custom assistants with prompt libraries.
Real-time Web Search - Search the web, analyze sources, and summarize answers with citations.

Pricing

Plan	Price	Includes
Free	Free	Basic access to AI models, limited chats and features.
Pro	In-app purchases	Unlimited access to advanced models, higher usage limits, priority features.

Platforms & Requirements

Sider runs as a web sidebar, Chrome extension, and native apps on macOS, Windows, iOS, and Android with cloud sync across devices. Minimum requirements align with standard app store specs; no specific limitations noted per platform. Floating panel available on mobile and desktop apps.

Integrations & Ecosystem

ChatGPT/GPT models
Claude (Anthropic)
Gemini (Google)
Grok
Moonshot AI (Kimi)
PDF/DOCX/PPTX file import
Image OCR and text extraction
Web search with source citations

Alternatives

App	Difference
Perplexity AI	Focuses on web search and citations rather than broad chat and file analysis.
ChatGPT App	Single-model focus without native browser sidebar or multi-model switching.
Claude.ai	Emphasizes long-context reasoning but lacks floating panel and file upload variety.
Gemini App	Google ecosystem integration but fewer third-party model options.

Reputation

Sider is viewed as a versatile all-in-one AI tool for productivity, praised for multi-model access and seamless web integration. Users appreciate features like floating panels and file analysis for daily tasks. Some note limitations in free tier usage and occasional model selection inconsistencies.

Sources (10)