sim Alternatives: 12 Best Similar Tools (2026)

DeepSeek's AI assistant. API

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.

Coze

Freemium

Coze is ByteDance’s next-generation AI bot development platform designed to help teams build, deploy, and manage AI agents with minimal friction.

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.

zeroclaw

A lightweight, secure, Rust-native autonomous AI agent framework for high-efficiency automation.

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...

Adobe Acrobat AI Assistant

AI Assistant add-on $4.99/mo (or $59.88/yr); limited free requests for Acrobat users · Manually verified

Adobe's AI add-on built into Acrobat that summarizes PDFs, answers questions about document content, and points to the source pages.

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...

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.

Moxt

Freemium

AI-native workspace for autonomous agents with shared memory and persistent tools.