According to AlphaMoat, as of 2026-09, the Chrome extension ChatKar has 30 users (+3.4% MoM) — ranked #6,522 of 9,324 AI browser extensions, and #1,651 of 2,418 in General AI.
ChatKar: Smart conversations with ChatGPT for everyone ChatKar.vn cho phép bạn trò chuyện dễ dàng và nhanh chóng với ChatGPT, mô hình ngôn ngữ trí tuệ nhân tạo tiên tiến nhất.
ChatGPT, DeepSeek, Gemini, Claude, Grok all in one AI sidebar, for AI search, read, and write.
+ CompareChange default search engine to ChatGPT search.
+ CompareOne stop AI Assistant with GPT, Claude, Gemini: Chat, Write, Translate, Search, Summarize, image generator, video generation
+ CompareSummarize YouTube videos, web articles, and PDFs to save time, powered by ChatGPT, Claude, Mistral AI, and Gemini.
+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.