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Gamma is a web-based software platform that uses artificial intelligence to generate presentations, documents, webpages, and other visual content.^[1][2][3] The platform allow users to create structured layouts and draft text based on prompts or uploaded material.^[4] It operates as an online application and provides tools for editing, organizing, and sharing content.^[5][6][7]

Gamma was established in the early 2020s by Grant Lee,^[8] James Fox, and Jon Noronha during a period of increased development in artificial intelligence–based productivity software. The platform was introduced as a web-based format designed to present information through structured visual layouts rather than traditional slide-based presentations.^[9] Its interface was developed to adapt content to different screen sizes and devices.

In later updates, Gamma expanded its functionality to support additional formats, including documents and simple webpages.^[10] By November 2025, the company reported that the platform had reached approximately 70 million users.^[11]

Gamma has raised venture capital funding from a number of technology-focused investors since its founding.^{[12][13][14][15][16]}

Gamma allows users to create presentations, documents, and webpages by entering prompts, pasting text, or uploading source files.^[17] The platform uses artificial intelligence to generate draft text, organize information, and apply structured layouts. Users can edit generated material manually and adjust formatting, structure, and visual elements.^[18]

The software also supports collaborative editing, allowing multiple users to contribute to and revise the same project.^[19] Instead of relying only on fixed slide-based formats, Gamma presents content in scrollable layouts designed for web viewing across different screen sizes.^[20]

Projects created on the platform can be shared through web links or exported to formats compatible with other software.^[21] Gamma also provides integration options and developer access through an application programming interface (API).^[22]

Gamma uses generative artificial intelligence models to interpret user input and generate structured content.^[23] The software automates elements of layout selection, formatting, and visual presentation.^[24] As with other AI-assisted tools, output produced by the system may require human review and revision to ensure accuracy and appropriate context.^[25][26]

Gamma has raised venture capital funding from a number of technology-focused investors since its founding.^[27] In November 2025, the company announced a Series B funding round that raised $68 million at a reported valuation of approximately $2.1 billion.^[28][29] Investors in the round included Andreessen Horowitz, Accel, and Uncork Capital, among others.^[30][31][32]

In 2025, cybersecurity researchers reported that Gamma had been used in a phishing campaign targeting Microsoft accounts.^[33] Attackers shared links to presentations hosted on the platform that redirected users to a spoofed Microsoft SharePoint login page intended to collect credentials. Researchers noted that the incident reflected the broader misuse of legitimate online services in phishing schemes.^[34]