AI-powered research & chat

Your AI workspace for deep research

Chat with the best AI models, run deep research agents, execute code, and connect external tools — all in one interface.

reftos.app

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Built for power users

Everything you need for serious AI work, not just another chatbot

Multi-Model Chat

Switch between GPT-4o, Claude, Gemini, and more. Pick the right model for each task without switching apps.

Deep Research

AI agents that search the web, read pages, synthesize findings, and cite their sources. Get answers you can trust.

Web Search

Real-time web access built into every conversation. No copy-pasting from browser tabs.

Code Execution

Run Python and JavaScript in sandboxed environments. Debug, analyze data, and test ideas on the fly.

MCP Tools

Connect external services and APIs. Extend your AI with custom tools via the Model Context Protocol.

Projects & Files

Organize conversations into projects. Attach images, PDFs, and documents for context-aware AI.

How it works

From question to answer in three steps

1

Choose your model

Pick from 15+ AI models. Each has different strengths — use the right tool for the job.

2

Ask anything

Type your question, attach files, or enable web search and research agents.

3

Get researched answers

Receive well-sourced answers with citations, code, and actionable insights.

What sets reftos apart

Deep Research agents

Our research agents don't just search — they read, analyze, and synthesize multiple sources into comprehensive answers with full citations.

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Multi-model flexibility

No vendor lock-in. Switch models mid-conversation or use different models for different tasks. Always have access to the latest and best.

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Endlessly extensible

Connect your own tools and services via MCP. Build custom skills. Make your AI workspace truly yours.

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10,000+
Conversations
15+
AI Models
99.9%
Uptime

Start building with AI today

Free to start. No credit card required.