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Diffblue Cover vs. GitHub Copilot: What’s The Difference?

Mathew Lodge

Sep 23, 2021 ⋅ 6 min read

At the highest level, AI-based software-writing-sofware tools are in two different categories: generative transformer-based systems (e.g. Copilot), and reinforcement learning-based systems (e.g. Diffblue Cover).

Unlock coverage gaps using Diffblue Cover’s new reports

Jun 08, 2021 ⋅ 1 min read

There is a lot more to coverage than a number you share with your management team. To ensure our customers have coverage where it’s most important, we’re introducing new data visualization reports for the Diffblue Cover CLI.

Diffblue's Automated, Human-Readable Java Unit Tests are Now Free for Commercial Use

Mar 10, 2021 ⋅ 2 min read

Given the importance of testing, we want to make sure that every developer has access to automating the mundane and complex task of writing unit tests. That's why we're allowing every developer to use Diffblue Cover: Community Edition for both open-source and commercial code, free of charge.

Diffblue Cover: Community Edition is here!

Maddie Bien

Sep 08, 2020 ⋅ 1 min read

Community Edition is here! For the first time ever, anyone can use Diffblue's AI technology to create free unit tests for open source Java projects with our new plugin for IntelliJ.

Diffblue is a Gartner Cool Vendor for Agile and DevOps!

Maddie Bien

May 26, 2020 ⋅ 1 min read

Cool Vendors are companies that are innovating in their markets and delivering proven value - which is why we're very excited to announce that Gartner has named Diffblue a Cool Vendor in Agile and DevOps!

Introducing Unit Regression Tests: A new type of test created by Diffblue Cover

Matt Richards

Apr 27, 2020 ⋅ 2 min read

This blog is the first in a series that will provide a rundown of the basics of a new type of test created by Diffblue Cover: unit regression tests. Learn what they are, how they're made, what the financial benefits of using them are, and how to get started with them.

How did Goldman Sachs double the code coverage for one of their legacy applications overnight?

Daniel Kroening

Sep 11, 2019 ⋅ 1 min read

Diffblue is a finalist in the 2019 DevOps Industry Awards in the category of “Best DevOps Automation Project” for our work with Goldman Sachs. Using Diffblue Cover, Goldman Sachs doubled code coverage for one of their legacy applications—from 36% to 72%—in less than 10% of the time it would have taken to do manually.