Perplexity
AI-powered answer engine with real-time web search and cited sources
| Perplexity | Kagi | |
|---|---|---|
| Rating | ★★★★★ | ★★★★★ |
| Pricing | Freemium | Paid |
| Pricing Details | Free tier with basic search. Pro at $20/mo adds advanced models, unlimited Pro Searches, file uploads, and image generation. | Starter at $5/mo for 300 searches. Professional at $10/mo for unlimited searches. Ultimate at $25/mo adds premium AI features and full Assistant access. |
| Category | Chatbots & Assistants | AI Search |
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Pricing Comparison
Perplexity
Kagi
About Perplexity
Perplexity is an AI search engine that provides direct, sourced answers instead of a list of links. Every response includes inline citations so you can verify claims against the original sources. It's particularly strong for research-oriented queries where accuracy and recency matter. The Pro tier adds access to more powerful models (including GPT-4o and Claude), longer and more detailed answers, file analysis, and image generation. Pro Search mode performs multi-step reasoning - breaking complex questions into sub-queries and synthesizing results across multiple sources. Perplexity has carved out a distinct niche between traditional search engines and conversational AI. It's the go-to tool for knowledge workers who need quick, reliable answers backed by verifiable sources rather than model-generated text that might hallucinate details.
About Kagi
Kagi is a paid, ad-free search engine that prioritizes result quality over ad revenue. Without the conflict of interest that shapes Google's rankings, Kagi surfaces results based on actual relevance - with the ability to boost trusted sites, block low-quality ones, and build a personal search experience. The FastGPT feature answers questions with AI summaries and cited sources. The Universal Summarizer summarizes any URL in seconds. Kagi's Assistant provides a full ChatGPT-like interface powered by your choice of underlying model, integrated with its superior search index. For knowledge workers who search frequently and find Google's quality has declined, Kagi's subscription model eliminates the incentive misalignment that degrades ad-funded search - and the result quality difference is noticeable within a day of switching.