Diffblue, an Oxford, England-based AI-driven software company, has received a £1 million grant from Innovate UK.  

Innovate UK awarded the grant as part of the ITEA GENIUS project, which focuses on using generative AI for software development. 

Diffblue Use of Funds 

The funding will accelerate Diffblue’s enhancements to its AI solutions, leveraging reinforcement learning to improve efficiency, accuracy, and scalability in software development. 

About Diffblue 

Diffblue specializes in autonomous AI agents for unit test generation. Its main product, Diffblue Cover, uses AI to automatically write and maintain unit tests, helping development teams improve code quality and accelerate testing. By utilizing reinforcement learning, Diffblue’s technology enhances code quality, expands test coverage, and increases productivity by automating a traditionally manual process. The company serves major enterprises, including Citi, ING, Workday, S&P Global, and BNY Mellon. Diffblue is on a mission to revolutionize the way software is written. 

Funding Details 

Company: Diffblue Limited 

Raised: £1.0M 

Funding Type: Grant 

Funding Date: April 2025 

Lead Investor: Innovate UK 

Additional Investors: GENIUS project partners (including King’s College London, BT, GoCodeGreen) 

Company Website: https://www.diffblue.com/  

Software Category: AI-Software Development 

Source: https://www.businesswire.com/news/home/20250331532523/en/