Ranked guide · 5 picks
Want Claude Sonnet 5 at your fingertips everywhere — in your browser, on your desktop, or across your whole workspace? These AI assistants and workspaces put Claude (and other top models) one click away.
AI assistant everywhere you browse
Merlin is a browser assistant that brings Claude — plus 20+ other models — to any website. Chat, summarize, write and research from a sidebar wherever you work.
Claude Includes Claude 4.5 / Sonnet in the model list.
Strengths
Trade-offs
All-in-one AI assistant
Monica is an all-in-one AI assistant for chat, writing and search — with dedicated Claude Sonnet models alongside other top LLMs, on the web and desktop.
Claude Dedicated Claude Sonnet models in the picker.
Strengths
Trade-offs
Chat with Claude + GPT in a sidebar
Sider is a browser sidebar to chat with Claude, GPT and Gemini side-by-side — read PDFs, summarize pages, and write anywhere on the web.
Claude Claude Sonnet 4.5/4.6 available in the model picker.
Strengths
Trade-offs
AI workspace & agents
Taskade is an all-in-one AI workspace — build agents, docs and projects — with Claude Sonnet available in the agent model selector.
Claude Claude Sonnet in the agent model selector.
Strengths
Trade-offs
One-click AI on any page
MaxAI.me brings Claude, GPT and Gemini to any webpage — rewrite, summarize, translate and chat from a single shortcut, wherever you are.
Claude Ask AI with Claude Sonnet models.
Strengths
Trade-offs