40

Out of 100

N/A

Post-money

$17M

All rounds

40/100

2022

1-50 employees

March 2026

Fixie AI builds an AI agent platform for developers that enables the creation of purpose-built AI assistants with access to external tools, APIs, real-time data sources, and code execution capabilities. The platform focuses on making it straightforward for engineering teams to deploy AI agents that go beyond conversational chat to take actions within software systems and retrieve live information.

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M

Matt Welsh

Founder & CEO

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StageSeed
Employees1-50
Country🇺🇸 United States

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Seed · No public funding round data available yet.

Frequently Asked Questions

What is Fixie AI's valuation?
Fixie AI's valuation is not publicly disclosed.
Who invested in Fixie AI?
Investor information for Fixie AI is not publicly available at this time.
When did Fixie AI last raise funding?
No public funding round data is currently available for Fixie AI.
How many employees does Fixie AI have?
Fixie AI has approximately 1-50 employees.
What does Fixie AI do?
Fixie AI builds an AI agent platform for developers that enables the creation of purpose-built AI assistants with access to external tools, APIs, real-time data sources, and code execution capabilities. The platform focuses on making it straightforward for engineering teams to deploy AI agents that go beyond conversational chat to take actions within software systems and retrieve live information.\n\nThe company raised approximately 17 million USD and is founded by Matt Welsh, a former Google engineer and Harvard computer science professor with deep expertise in distributed systems. Fixie targets developer teams building AI-powered products who need agent infrastructure that handles tool calling, memory, and action execution without building the full agent stack from scratch.\n\nDeveloper-facing AI agent infrastructure is a rapidly growing segment as more product teams move from deploying static LLM endpoints to building agentic systems that execute multi-step tasks autonomously. Fixie competes with LangChain, LlamaIndex, and a range of agent frameworks, operating in a market where the combination of strong developer experience and reliable action execution capability are the primary differentiators.