Fiveonefour

Fiveonefour is a Portland, Oregon-based developer tools company focused on simplifying data infrastructure for AI and analytics applications.

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They make developer tools that simplify building data infrastructure for AI and analytics applications.

Fiveonefour is a Portland, Oregon-based developer tools company focused on simplifying data infrastructure for AI and analytics applications. Founded by former Nike VP of Engineering Tim Delisle, the company raised $17 million in September 2025 in a round led by Dimension Capital with participation from Stage 2 Capital, Flybridge Capital Partners, and others. Their core offering centers around the open-source Moose Stack, a TypeScript/Python toolkit that abstracts away data infrastructure complexity for developers building analytical backends.

Fiveonefour targets enterprises needing to modernize data systems for real-time AI applications, with customers like F45 Training using their platform to power user-facing analytics features. The company reports rapid adoption of its open-source tools, with installs doubling monthly, and has technical partnerships with ClickHouse, Kafka, RedPanda, and Temporal. Their managed cloud platform Boreal and AI agent tools under the Sloan brand aim to bridge the gap between raw data infrastructure and production-ready AI applications.

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Who buys this

  • Enterprise engineering teams modernizing data infrastructure
  • Developers building AI-powered analytics features
  • Companies transitioning from traditional data warehouses to real-time systems
  • Fitness tech companies with biometric data streams
  • Healthcare and manufacturing firms implementing operational analytics

Publicly disclosed clients

  • F45 Training

Strengths and what to watch

Strengths

  • Open-source Moose Stack shows rapid developer adoption with monthly installs doubling
  • CEO brings enterprise credibility from Nike engineering leadership
  • Focus on developer experience addresses a key pain point in AI implementation

Watch for

  • Reliance on open-source adoption before monetization through managed services
  • Competition from established data infrastructure vendors adding AI capabilities
  • Potential complexity in supporting diverse enterprise data stacks

Recent moves

Key Information

Founded
2023
Headquarters
Portland, Oregon

Frequently Asked Questions

What does Fiveonefour do?

Fiveonefour builds developer tools that simplify data infrastructure for AI and analytics applications. Their open-source Moose Stack and managed cloud platform help enterprises modernize systems, with clients like F45 Training using their tools for real-time analytics. The Portland-based company raised $17M in 2025.

What is the Moose Stack?

Moose Stack is Fiveonefour's open-source TypeScript/Python toolkit that abstracts data infrastructure complexity. Designed for building analytical backends, it shows rapid adoption with monthly installs doubling. The stack integrates with systems like ClickHouse and Kafka for real-time AI applications.

Who uses Fiveonefour's tools?

Enterprise engineering teams modernizing data systems, developers building AI analytics features, and companies transitioning from warehouses use Fiveonefour. Notable clients include F45 Training, while healthcare and manufacturing firms leverage their tools for operational analytics with biometric data streams.

How does Fiveonefour make money?

Fiveonefour monetizes through managed services like their Boreal cloud platform and Sloan AI agent tools, building on open-source adoption. Their model relies on enterprises paying for production-ready implementations atop the free Moose Stack developer tools.

What makes Fiveonefour different?

Fiveonefour combines open-source developer tools with enterprise-grade managed services, focusing specifically on AI application infrastructure. CEO Tim Delisle's Nike engineering leadership lends credibility, while technical partnerships with ClickHouse and Temporal differentiate their stack.

Who invested in Fiveonefour?

In September 2025, Fiveonefour raised $17M led by Dimension Capital, with Stage 2 Capital and Flybridge Capital Partners participating. Funding accelerates AI agent development and expands their open-source Moose Stack's enterprise capabilities for real-time analytics implementations.

Sources

  1. www.prnewswire.com — $17M funding round details and investor list
  2. www.fiveonefour.com — F45 Training as a customer case study
  3. www.fiveonefour.com — Product offerings and positioning
  4. github.com — Open-source Moose Stack repository