AI Coding Startup Factory Raises $200 Million at $5 Billion Valuation

AI coding startup Factory has raised $200 million in a new funding round, taking the company's valuation to $5 billion as demand for AI-powered software development continues to grow.

The funding round was announced on September 15, 2026. Factory said the latest investment brings its total funding to more than $400 million.

The round included several major investors, including Blackstone, Khosla Ventures, Sequoia Capital, Insight Partners, Evantic Capital, Sound Ventures, NEA, Mantis VC and Clearlake.

Factory develops AI agents that help software development teams with tasks such as writing, testing and maintaining code. The company is targeting enterprise customers that want to use AI across larger parts of their software development processes.

According to Factory, its technology is already being used by hundreds of thousands of developers. The company also lists Nvidia, Blackstone, Royal Bank of Canada, Palo Alto Networks, Adobe and T-Mobile among its customers.

Factory is expanding beyond AI coding assistants

The company was founded in 2023 with a focus on autonomous software engineering. Since then, Factory has been moving toward a broader approach in which multiple AI agents can work across different stages of software development.

In April, the company introduced Factory 2.0, which expanded its platform beyond individual coding tasks. Factory has also developed Factory Router, a system designed to select different AI models depending on the task.

Factory says its routing technology can reduce token spending by more than 60% while maintaining strong performance.

The latest funding comes as AI coding becomes an increasingly important part of the software industry. Developers are using AI tools not only to generate code, but also to debug applications, write tests and handle repetitive engineering work.

Valuation jumps from previous funding round

Reuters reported that the company's valuation has more than tripled from its previous level of about $1.67 billion. Factory had raised $150 million in April at a valuation of around $1.5 billion.

The rapid increase reflects the growing investor interest in companies developing AI systems for software engineering.

Factory is competing in a market that includes other AI coding companies such as Cognition and Cursor. These companies are also developing tools designed to automate or assist with software development.

Focus on enterprise AI

Factory says the new funding will be used to expand research and development, improve its products and grow its global business.

The company is also targeting organizations that require greater control over their AI systems. Its platform can be deployed in cloud environments as well as on-premises and air-gapped systems.

The development shows how AI coding platforms are moving beyond simple coding assistants. Instead of helping developers with individual tasks, newer systems are increasingly designed to handle larger parts of the software development workflow.

As companies continue to invest in AI, software engineering is becoming one of the areas where AI agents are being tested for more complex and continuous work.

Source: Reuters, September 15, 2026.
Company: Factory