RED Alternatives: 12 Best Similar Tools (2026)

DeepSeek's AI assistant. API

Perplexity AI

Freemium

Perplexity is a free AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.

Gemini

Freemium · Manually verified

Google's AI assistant family — Gemini 3 Pro for top reasoning, 3.5 Flash for speed. Tight integration with Search, Workspace (Gmail/Docs), and Android.

NotebookLM

Free

AI Research Assistant developed by Google. Uplo...

ChatPDF

*reviews* - Chat with any PDF.

Raccoon AI

Free

The AI Coworker for Apps, Research, Docs & Everything Else. Raccoon AI is a collaborative AI agent and workspace for getting real work done.

Tendem AI

Paid

Tendem is a new hybrid AI agent. It handles your tedious tasks combining the speed of AI with the judgment of human experts.

Runable

Runable is a general AI agent that can execute any task, from building web apps, slides, reports, and documents to generating images, videos, and...

Claude

Free + Pro $20/mo+ · Manually verified

Anthropic's AI assistant family — Claude Opus, Sonnet, and Haiku. Strong for writing, coding, analysis, vision, and long-context reasoning.

ChatGPT

Freemium · Manually verified

OpenAI's flagship AI chatbot with the largest mainstream user base. GPT-5.x models for chat, search, image generation, voice, code interpreter, and agent workflows.

Maestri

Free

Infinite visual canvas for orchestrating and connecting multiple AI coding agents on macOS.

Crow

Adds a chat-first AI copilot to any product in minutes.