Overview of AI Tools for C# (.NET) Development in 2024

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AI Tools for C# (.NET) Development: How Neural Networks Are Changing the Work of .NET Developers

Development in C# and the .NET platform has traditionally been associated with power, strong typing, and large enterprise projects. However, in 2024, even the most experienced .NET developer cannot ignore the capabilities of artificial intelligence. AI assistants do not just automate routine tasks — they help you quickly understand complex frameworks, write unit tests, and refactor legacy code.

We have compiled for you a current overview of the best tools that every C# developer should try.

1. GitHub Copilot — Seamless Integration with Visual Studio

The most popular AI assistant from Microsoft and OpenAI. Copilot works directly in the editor (Visual Studio, VS Code, Rider) and suggests entire blocks of code based on context.

Features for C#: Excellent understanding of LINQ, asynchronous programming (async/await), and popular patterns (DI, Repository, Mediator).
Pros: Deep understanding of the .NET SDK, generation of boilerplate code for ASP.NET Core, Entity Framework.
Cons: Requires a subscription, sometimes suggests outdated APIs (e.g., Newtonsoft.Json instead of System.Text.Json).

2. Tabnine — Private AI for Enterprise Projects

Tabnine positions itself as a secure alternative to Copilot. The model is trained on the team's local code, which is critical for projects under NDA.

Features for C#: Supports autocompletion for XAML, Razor Pages, and Blazor.
Pros: Complete privacy, works with code without sending data to the cloud.
Cons: Less creative than Copilot, less likely to suggest unconventional solutions.

3. CodiumAI (Qodo) — Testing on Autopilot

A specialized tool for generating unit tests. CodiumAI analyzes your C# code and suggests tests considering edge cases.

Features for C#: Works great with xUnit and NUnit, understands mocks (Moq, NSubstitute).
Pros: Saves hours on writing tests, identifies bugs before compilation.
Cons: Does not always correctly handle complex dependencies with DI containers.

4. IntelliCode by Microsoft — Free AI in Visual Studio

A built-in extension for Visual Studio. Uses recommendations based on 2000+ popular repositories from GitHub.

Features for C#: Autocompletion of entire lines, code style suggestions (e.g., using records instead of classes).
Pros: Free, does not require internet (basic version).
Cons: Less "smart" than Copilot, does not write complex functions.

How to Choose a Tool for Your .NET Project?

For startups and small teams, the best choice would be GitHub Copilot — it speeds up code writing by 30-40%. For enterprise projects with high security requirements, choose Tabnine. And if your team is suffering from a lack of tests, be sure to try C