In the AI search space, Perplexity defined the basic paradigm: ask a question, perform a web search, and deliver an answer with cited sources. However, this English-centric product form left a glaring gap: cross-lingual information retrieval for Asian languages. The need to "ask in your native language, retrieve from foreign-language sources, and answer in your native language" is particularly acute in Asia—whether a Chinese user seeks primary data on the Japanese market or a Japanese user wants key takeaways from an English paper—but has long lacked products optimized specifically for it.
Felo was born into this gap: an AI company based in Tokyo, Japan, that made cross-lingual search (especially among Chinese, Japanese, and English) its core foundation from day one. It further layered on a clever differentiator: one-click conversion of search results into mind maps. This carved out its own distinct identity in the homogenized AI search competition, rapidly building a strong reputation among Chinese and Japanese users.
What is Felo?
Felo (felo.ai) is an AI search and conversation tool positioned between Perplexity-style "answer engines" and ChatGPT-style conversational assistants. Its core capabilities include: real-time web search with cited sources (traceable answers), one-click conversion of answers into mind maps (visualizing information structure), and deep multilingual and cross-lingual support (with strengths in Chinese, Japanese, English, and Korean). It is free to use and accessible directly via the web.
Key Features
AI Search: Answers with Sources
After you ask a question, Felo performs real-time web searches, synthesizes an answer, and annotates it with citation links—the standard form of AI search. Its distinctive edge lies in the "Asian concentration" of its corpus: its coverage and understanding of Japanese information sources are its home turf. When searching for Japan-related content (markets, products, academia, lifestyle news), it often uncovers primary materials that English-centric search tools miss.
The cross-lingual experience is its true killer feature: ask in Chinese, and it can retrieve Japanese and English sources, then synthesize an answer in Chinese. The "language wall" is dismantled at the product layer, delivering tangible productivity gains for users engaged in cross-border business or overseas research.
Answer-to-Mind Map: A Signature Feature
For any response, click to generate a mind map—the AI automatically breaks down the logical hierarchy of the content into a visual tree structure.
This feature addresses a specific pain point: AI long-form answers have high information density, and linear reading often leads to "read and forget." Mind maps draw the skeleton of knowledge directly for you, fundamentally changing the efficiency of comprehension and retention. Typical use cases include:
- Learning new fields: "Explain the core concepts of carbon neutrality" → one-click map generation makes the knowledge framework clear at a glance.
- Breaking down tasks: "What do I need to prepare for a product launch?" → the mind map serves as a task decomposition structure.
- Reading and literature: Input chapter content, output key-point maps, and automatically generate review materials.
- Meeting preparation: Feed in agenda items, and the discussion framework mind map can be directly projected on screen.
While a DIY approach (generating in ChatGPT + manually pasting into XMind) can achieve similar results, Felo compresses this multi-step process into a single button—the experience gap for frequent users is orders of magnitude.
Deep Search and AI Document Generation
Advanced capabilities include a deep search mode for multi-round retrieval and cross-verification, suitable for rigorous research. Search results can also be further processed into structured outputs like PPT outlines or reports, closing the loop from "finding information" to "producing deliverables" within the product.
Multilingual Translation and Conversation
Beyond cross-lingual Q&A, its translation capabilities reach a practical standard, with Chinese-Japanese-English-Korean mutual translation quality befitting its Asian positioning.
Comparison with Similar Tools
vs Perplexity: The global benchmark for AI search, leading in English information retrieval quality and product maturity. Felo’s differentiating cards are deep Asian language support and mind maps. Using Perplexity for the English world and Felo for the Japanese world or when needing mind maps are not mutually exclusive.
vs Metaso (MetasoAISearch): The domestic representative of Chinese AI search, with advantages in Chinese corpus understanding and domestic access experience. Felo’s cross-lingual capabilities (especially Japanese) are dimensions Metaso lacks. Use Metaso for domestic matters and Felo for cross-lingual needs; the division of labor is clear.
vs ChatGPT: The ceiling for general capabilities, but its default form lacks citation tracing, and mind maps require manual effort. Felo is more convenient in the niche of "verifiable information retrieval + structured output," serving as a scenario supplement to ChatGPT rather than a replacement.
vs GitMind/XMind and other mind map tools: Professional mind map tools offer strong editing depth but require you to fill in the content yourself. Felo generates both "content and structure" together, producing sketch-level maps. Use Felo for quick comprehension and professional tools for refinement and publication; they have an upstream-downstream relationship.
Who Should Use Felo?
Users with Japanese/cross-lingual information needs: Cross-border e-commerce, study abroad applications, Japanese market research, overseas news tracking—this is Felo’s absolute home turf relative to all competitors. Users with such needs should bookmark it immediately.
Students and knowledge workers: The combination of searching and automatic mind map generation merges the three processes of "retrieval, comprehension, and note-taking," making it an efficiency tool for exam prep and literature reviews.
Consultants and project managers: Quickly building agenda frameworks and generating discussion structures; the time saved by the mind map feature in "rapid structuring" scenarios is immediately noticeable.
Content creators: End-to-end topic research and outline generation, accelerating the preliminary work for articles and video scripts.
Limitations
The upper limit of English deep retrieval quality does not match Perplexity; for pure English academic research, Perplexity remains the first choice.
Generated mind maps are "sketches for understanding"; editing and beautification capabilities are limited. Maps intended for formal delivery need to be exported and processed in professional tools.
It inherits the common flaws of AI search: answers may contain errors or omissions, and you must use the provided citations—verify important information by opening the original sources. This habit cannot be skipped with any AI search tool.
Pricing
The free version provides a daily basic usage quota; paid subscriptions unlock more deep search attempts, advanced models, and full features (subject to the official website). The free tier is sufficient for light use, which also makes it user-friendly for "try before you buy."
Felo’s cleverness lies in avoiding direct confrontation with giants, instead targeting two real gaps—the language barrier in Asia and the structured presentation of AI answers—and turning them into product instincts. If your work involves either "searching for foreign-language materials" or "drawing knowledge into maps," spend five minutes trying its search plus one-click mind map feature; you will likely keep this bookmark.