Quillbot
By Learneo, Inc
QuillBot provides a range of AI-driven writing tools, including a paraphraser, grammar checker, AI detector, plagiarism checker, summarizer, translator, and citation generator. These tools aim to assist users in crafting clear, polished, and professional writing across various domains.
Founded in 2017 by Anil Jason, Rohan Gupta, and David Silin, QuillBot began as a tool to help English language learners improve their writing. The platform quickly gained traction, going viral on Reddit in 2018 and entering the University of Illinois at Urbana-Champaign’s iVenture Accelerator, securing initial funding. By 2019, QuillBot reached one million users.
In April 2020, QuillBot secured $4.25 million in funding as its active user base grew to two million. The company has continued to expand its offerings and user base, though specific valuation details are not publicly disclosed.
QuillBot's suite of tools includes:
Paraphraser: Rewrites text to enhance clarity and fluency.
Grammar Checker: Identifies and corrects grammatical errors.
AI Detector: Distinguishes between AI-generated text and human-written content.
Plagiarism Checker: Detects potential plagiarism in text.
Summarizer: Condenses lengthy texts into concise summaries.
Translator: Translates text between multiple languages.
Citation Generator: Assists in creating accurate citations.
QuillBot has expanded its capabilities through strategic acquisitions:
Scribbr (March 2022): Acquired the Netherlands-based start-up to enhance international reach and support learners globally.
In July 2024, QuillBot introduced an AI detector that clearly distinguishes between AI-generated text and text refined with AI tools, aiming to set a new standard in AI detection.
QuillBot emphasizes a culture of innovation, collaboration, and dedication. The company is committed to building platforms and products that help millions of people write with clarity and confidence.
As of 2023, QuillBot serves 56 million monthly active users across 180 countries. The platform supports a diverse community, including students, professionals, content creators, English language learners, and advanced academics.
