Question: I'm looking for an AI-powered code assistant that can write unit tests and ensure new code changes are tested before deployment.

If you're looking for an AI-powered code assistant that can write unit tests and ensure new code changes are tested before deployment, CodeComplete is a great option. The tool includes automated unit test generation and a range of other coding tools, like code generation, code chat and refactoring. It protects code and data with self-hosted options and permissively-licensed repositories, so it's a good option for enterprise customers.

Another contender is CodeGPT, which brings AI assistants into your coding workflow with IDE extensions like VSCode. It offers features like code completion, unit testing and screenshot-to-code conversion. The service is geared for businesses and developers who want to speed up their coding work while keeping data out of the cloud with self-hosted options.

CodeAI is a VS Code extension that can help developers write code, generate unit tests and create documentation. It supports many programming languages, and several pricing tiers mean it can be a good option for developers who want to boost productivity and keep data in house.

Last, Safurai has a broad range of features to help developers write code and work more efficiently. It includes unit test generation and supports several IDEs. With a free tier and several paid tiers, Safurai is good for solo developers and teams that want to work more efficiently.