Perplexity 是免费的 AI 答案引擎，提供实时、可靠的问答，并支持追问，帮助你快速获得直接答案。
Perplexity 替代品
ClayHog
ClayHog 是一款 AI 搜索可见性平台，用于跟踪品牌在 ChatGPT、Gemini、Perplexity、Claude 和 Google AI Overviews 中的展示表现，帮助代理商、营销团队和 SEO 团队在一个仪表盘内监控引用、竞品、情绪和内容机会。
Grok AI Assistant
Grok 是 xAI 开发的一款免费人工智能助手，旨在优先考虑真实性和客观性，同时提供实时信息访问和图像生成等高级功能。
AakarDev AI
AakarDev AI helps teams manage AI provider access, project-level setups, logs, and analytics from one dashboard. It supports BYOK workflows and lists providers including OpenAI, Google Gemini, Anthropic, Groq, Mistral AI, and Perplexity AI.
BookAI.chat
BookAI允许您通过简单提供书名和作者与您的书籍进行AI聊天。
Skills Janitor
Skills Janitor is a GitHub-hosted set of slash commands for auditing, tracking, and managing Claude Code and OpenAI Codex skills. It helps users find duplicates, broken links, and unused skills, then clean them up with self-contained commands.
FeelFish
FeelFish is a PC client for AI-assisted novel writing, designed to help fiction writers plan characters and settings, draft and revise long-form content, and manage story context. It includes a free tier and paid plans, with support for multiple large-model providers.