# Mastra

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/mastra

- Industry: Software
- Headquarters: San Francisco, US
- Website: www.mastra.ai
- Total disclosed funding: $49M
- Latest round: Series A (Mar 2, 2026)
- Investors on record: 4

## About

Mastra is an innovative technology company focused on developing a comprehensive TypeScript AI framework that empowers developers to create and manage intelligent AI agents efficiently. Mastra, established in 2024, specializes in providing an AI framework tailored for developers. Headquartered in San Francisco, US. The company was founded by individuals who have a track record in the tech industry, although specific details on prior companies are not available. Mastra specializes in providing a comprehensive TypeScript AI framework designed to facilitate the development, deployment, and management of AI agents. The core offerings include an intuitive Software Development Kit (SDK) that allows developers to create intelligent agents capable of executing tasks, accessing knowledge bases, and maintaining persistent memory within operational threads. These agents are further enhanced by features such as seamless integration with various AI providers, a robust workflow management system, and advanced capabilities for handling long-term memory and real-time data input. Mastra's products aim to address the needs of AI developers and organizations looking to prototype and productionize AI functionalities efficiently. The services are targeted toward a global clientele, including software developers, tech companies, and enterprises engaged in AI application development across North America, Europe, and Asia. Revenue for Mastra is derived primarily from subscription-based models that offer access to its AI framework and associated services. Clients, including businesses and developers, engage in transactions where they subscribe to the SDK and associated tools, enabling them to build and manage AI agents tailored to their specific needs. The pricing structure includes tiered plans that cater to varying levels of usage and feature access, ensuring scalability for different user requirements. Flagship offerings such as the SDK and workflow management capabilities form the core of their transaction framework, with clients acquiring licenses to utilize these tools within their operations. Partnerships and collaborations may further augment revenue streams, allowing Mastra to expand its market reach and enhance its service offerings. Mastra plans to leverage its recent funding to enhance its product lineup and expand its market presence. The company is currently developing new features for its AI framework, with updates expected to be rolled out by mid-2025. Furthermore, Mastra aims to enter new markets in Asia and Europe by the end of 2025, targeting tech companies and enterprises looking to integrate AI capabilities into their operations. In June 2026, Mastra raised USD 22 million in series A funding from Y Combinator.

## Funding rounds

- Series A, Mar 2, 2026, $36M — Spark Capital, Y Combinator
- Seed, Oct 8, 2025, $13M — Y Combinator, Gradient Ventures
- Seed, Dec 13, 2024 — Pioneer Fund

## Investors

- Pioneer Fund (https://capitalatlas.ai/funds/pioneer-fund) — Seed
- Y Combinator (https://capitalatlas.ai/funds/y-combinator) — Seed, Series A
- Gradient Ventures (https://capitalatlas.ai/funds/gradient-ventures) — Seed
- Spark Capital — Series A