2026 年最佳 Perplexity 替代品

横向对比一览

Tool	Starting price	定价模式	支持平台	访问官网
ChatGPT	Free	免费增值	Web, Windows, macOS, iOS, Android	访问官网
Gemini	Free	免费增值	Web, Android, iOS	访问官网
Kimi	—	免费增值	Web, iOS, Android	访问官网

1. 1

   ChatGPT免费增值

   Conversational AI for writing, analysis and everyday tasks

   ChatGPT is a general assistant with broad features.

   Conversational answers across writing, research and codingImage understanding, file uploads and voice on paid plansCustom GPTs and shared conversations

   最适合: General-purpose help

   完整评测 →访问官网
2. 2

   Gemini免费增值

   Google's multimodal assistant across Search and Workspace

   Gemini connects to Google Search and Workspace.

   Multimodal input across text, images, audio and videoDeep Google Workspace integrationAccess to Google Search and Android

   最适合: Google ecosystem users

   完整评测 →访问官网
3. 3

   Kimi免费增值

   Long-context assistant for documents and research

   Kimi offers long-context document and URL analysis.

   Long-context document and URL analysisWeb search with source citationsFile upload and PDF review

   最适合: Long documents

   完整评测 →访问官网