Claude
Anthropic's AI assistant family — Claude Opus, Sonnet, and Haiku. Strong for writing, coding, analysis, vision, and long-context reasoning.
qwen is a tool in the AI Chatbots & Assistants category (pricing: Free). Below are 12 alternatives from the same category in our directory of 1,800+ AI tools, ordered by editorial curation, manual verification, and on-site popularity — not by advertising.
Anthropic's AI assistant family — Claude Opus, Sonnet, and Haiku. Strong for writing, coding, analysis, vision, and long-context reasoning.
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.
AI Research Assistant developed by Google. Uplo...
*reviews* - Chat with any PDF.
Perplexity is a free AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.
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.
Zhipu Qingyan is an AI-powered dialogue assistant developed by Zhipu AI, a leading company rooted in Tsinghua University’s AI research ecosystem.
Doubao is ByteDance’s next‑generation AI assistant designed to help individuals and teams work, create, and learn more efficiently.
Tongyi Qianwen is Alibaba Cloud’s next‑generation large language model platform designed to bring enterprise-grade AI capabilities to developers,...
Adobe's AI add-on built into Acrobat that summarizes PDFs, answers questions about document content, and points to the source pages.

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