秘塔写作猫 Alternatives: 12 Best Similar Tools (2026)

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.

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.

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

*reviews* - Chat with any PDF.

AI Research Assistant developed by Google. Uplo...

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

Zhipu Qingyan is an AI-powered dialogue assistant developed by Zhipu AI, a leading company rooted in Tsinghua University’s AI research ecosystem.

Scholarcy is an AI-powered research assistant designed to help students, researchers, and professionals read, understand, and organize academic...

xAI's AI assistant

Doubao is ByteDance’s next‑generation AI assistant designed to help individuals and teams work, create, and learn more efficiently.

DeepSeek's AI assistant. API