Replit

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Replit, Inc
FormerlyRepl.it
FoundedSan Francisco, California, US
Founders
Headquarters
Foster City, California
Number of locations
2 offices (2022)
ServicesCommunity, hosting, IDE
Websitereplit.com

Replit (/ˈrɛplɪt/), former Repl.it, is an American technology company. Founded in 2016, Replit developed an online integrated development environment (IDE) also named Replit that supports various programming languages.[1] In September 2024, it released the first version of Replit Agent, an AI agent for automating software development, with which users can interact in natural language.[2]

History

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In 2009, having seen significant advancements in browser and web technologies, Masad imagined a development environment built on the same premise as Google Docs; that is, allowing the user to write and share code all in a web browser. In 2011, he produced an early open-source version of this concept, called "JSRepl".[3] Because Masad then spent a few years working at various companies,[1] including Udacity and Codecademy, JSRepl was used for the in-browser tutorials of Udacity and Codecademy.[4]

Replit was founded in 2016 by the Jordanian programmers Amjad Masad, Faris Masad, and designer Haya Odeh.[5][6] It was incorporated in San Mateo.[7][8][9][10] Its name comes from the acronym REPL, which stands for "read–evaluate–print loop". Initially a collaborative coding platform, Replit became with Agent an AI-powered software creation ecosystem centered around the ability to build complete applications by describing them in natural language.

In July 2025, Replit announced a partnership with Microsoft to integrate its development platform with Microsoft’s enterprise tools, including the Azure cloud infrastructure, making Replit’s services available through the Azure Marketplace.[11] That same month, Replit's AI agent went "rogue" and deleted a client company's entire database during a code freeze, against the prompter's wishes.[12] This incident earned a nomination in the 2025 AI Darwin Awards.[13]

See also

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References

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  1. ^ a b "Repl.it lets you program in your browser". TechCrunch. March 15, 2018. Retrieved January 5, 2019.
  2. ^ Bastian, Matthias (September 7, 2024). "First users praise Replit's new AI coding assistant". The Decoder. Retrieved July 14, 2025.
  3. ^ Masad, Amjad (March 9, 2021). "Replit Dotcom". Replit. Retrieved September 6, 2024.
  4. ^ Sawers, Paul (February 18, 2021). "Replit raises $20 million for collaborative browser-based coding". VentureBeat. Archived from the original on March 30, 2021. Retrieved March 13, 2021.
  5. ^ Rodriguez, Salvador (October 22, 2018). "Former Facebook engineer quit to build the programming tool he always wanted". CNBC.
  6. ^ "Today's Entrepreneur: Faris Masad". VatorNews. April 30, 2019. Retrieved January 12, 2021.
  7. ^ Replit (January 27, 2021). "Replit — Going Global". Replit Blog. Retrieved April 30, 2024.
  8. ^ "About - Repl.it". repl.it/about. Archived from the original on September 5, 2015. Retrieved June 8, 2021.
  9. ^ Eisenberg, Bart (October 22, 2012). "#42 Computer Science 2.0: Part 1―Amjad Masad: Engineer, Codecademy; Co-inventor, repl.it". Retrieved June 8, 2021.
  10. ^ Spina, Carli (May 5, 2014). "Practice Programming Languages In Your Browser With Repl.it". Retrieved June 8, 2021.
  11. ^ Sherry, Ben (July 9, 2025). "Microsoft and Replit Are Teaming Up to Make Vibe Coding for Businesses Even Easier". Inc. Archived from the original on July 11, 2025. Retrieved July 15, 2025.
  12. ^ Tyson, Mark (July 21, 2025). "AI coding platform goes rogue during code freeze and deletes entire company database — Replit CEO apologizes after AI engine says it 'made a catastrophic error in judgment' and 'destroyed all production data'". Tom's Hardware. Retrieved September 10, 2025.
  13. ^ Gault, Matthew (September 9, 2025). "AI Darwin Awards Show AI's Biggest Problem Is Human". 404 Media. Retrieved September 10, 2025.