Sider AI Cowork — Your Pro AI Teammate for Every Task

Collaborate seamlessly with top AI models to draft documents, analyze data, and automate your daily workflow in one unified workspace.

Install Sider Extension Now
2025 Chrome's Favorite
10M+ Active users
100K+ 5-star ratings

Features

Multi-Model Collaborative Work

Multi-Model Collaborative Work

Sider AI Cowork delivers true multi-model AI cowork collaboration by integrating ChatGPT, Claude, Gemini, and other leading models in a single shared thread. This allows you to compare reasoning styles, outputs, and creativity side by side—something most Claude Cowork alternatives cannot offer. Whether you are exploring a Claude cowork workspace alternative, testing a free AI cowork alternative, or searching for the best AI cowork tools for developers and teams, this approach ensures higher accuracy, better decision-making, and deeper collaboration.
Download Sider Extension
All-in-One Content Creator

All-in-One Content Creator

From ideation to execution, Sider functions as an AI cowork for marketing teams, creators, and startups. With Web Creator, AI Slides, and AI Image Generator, you can instantly produce presentations, landing pages, and visual assets inside one private AI cowork workspace. The built-in AI Writer and Artifacts system enables real-time previews and iteration, making Sider a strong cowork alternative for users evaluating Claude Cowork pricing versus feature depth.
Download Sider Extension
Smart Document & Media Intelligence

Smart Document & Media Intelligence

Sider AI Cowork is built for information-heavy workflows. You can summarize YouTube videos, analyze long PDFs with ChatPDF, convert audio into structured notes, and translate PDFs or images with professional accuracy. This makes Sider an ideal AI cowork for startups, researchers, and global teams who need secure AI cowork for business use while managing complex documents and media at scale.
Download Sider Extension
Advanced Web & Workflow Tools

Advanced Web & Workflow Tools

With Smart Web Access and AI Read Aloud, Sider navigates live web content in real time, transforming browsing into an AI cowork workflow automation experience. All outputs are commercial-use ready, making it a trusted enterprise AI cowork solution for professional and business environments.
Download Sider Extension

Install the Sider Extension
1

Install the Sider Extension

To start using Sider AI Cowork, install the Sider browser extension. This embeds your AI cowork platform directly into your daily browsing experience, enabling instant access to Smart Web Access, summaries, and contextual AI support on any webpage.

Create Your Account
2

Create Your Account

Create your AI Cowork workspace in seconds using Google or Apple login. With secure one-click authorization, your Artifacts, preferences, and workflow settings sync seamlessly across devices—no complex setup required.

Launch a Feature from the Setup Page
3

Launch a Feature from the Setup Page

After logging in, access the Setup or Home page to launch your first AI Cowork feature. Whether you choose Scholar Research, AI Slides, or ChatPDF, collaboration begins instantly—demonstrating how easy it is to use Claude Cowork alternatives within a unified AI workspace.

Why Choose Sider for Your AI Cowork?

The Most Versatile AI Cowork Hub

Sider goes far beyond a chatbot. It is a full AI cowork platform combining Deep Research, Scholar Research, and Data Analysis. With Thinking Mode and Smart Web Access, it works as a real-time problem-solving partner—making it a compelling Claude Cowork workspace alternative for advanced users.

Streamline Creation with AI Cowork Tools

Sider enables a continuous AI cowork workflow that mirrors how you think and create. From building decks and websites to drafting content, it transforms ideas into deliverables with speed and precision—ideal for AI cowork for marketing teams and creators.

All-Format Intelligence for AI Cowork

From PDFs and videos to audio and web content, Sider handles every format with ease. With features like YouTube Summary, Audio-to-Text, and AI PDF Translator, plus full commercial usage rights, it is a secure and scalable AI cowork for business and global collaboration.

Testimonials

Sider · One Stop AI Sidekick

Use AI anytime in your browser sidebar to get things done.

Install Sider