Compare the Top AI Coding Agents in the UK as of December 2025

What are AI Coding Agents in the UK?

AI coding agents are software tools powered by artificial intelligence designed to assist or fully automate the process of writing, reviewing, and optimizing code. These tools can generate code snippets, suggest improvements, debug errors, and even refactor entire codebases based on user input or project requirements. By leveraging machine learning and natural language processing, AI coding agents can understand and interpret programming languages, offering context-aware code suggestions that speed up development and reduce errors. They often integrate with popular Integrated Development Environments (IDEs) or version control systems, making them a seamless part of the developer's workflow. AI coding agents are especially useful in boosting productivity, assisting with repetitive tasks, and providing coding solutions for developers at all skill levels. Compare and read user reviews of the best AI Coding Agents in the UK currently available using the table below. This list is updated regularly.

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    CodeGPT

    CodeGPT

    CodeGPT

    Discover the AI Pair Programming extension for VSCode, Create your own AI Copilots with the Playground and Unleash new AI Apps with the API. Unlock the Power of Your Own AI Agents: Integrate Personalized Context and Knowledge Across all Coding Languages. Easily Train Your AI Copilot with Your Own Files on the Playground. Create and Share a Copilot in Just 5 Minutes, or Achieve Custom AI Copilot Solutions Seamlessly Through the API A always free extension for VS Code that boost coding abilities using chat assistant and code completion. Simply download the extension, add your own API key and start AI-coding for free. Enhanced solution that allows AI agents creation with specific context information, so you can design your own AI copilots and integrate it wherever you want! API connection to develop AI-powered apps effortlessly handling all the complexities of fine-tuning LLMs so you can focus on creating without the technical issues.
    Starting Price: Free
  • 2
    Forge Code

    Forge Code

    Forge Code

    Forge Code is a terminal-based AI pair-programmer and software-engineering agent that lets you interact with your entire codebase using natural language commands. It runs directly in your shell, integrating seamlessly with any IDE or existing workflow; you don’t need to switch editors or abandon your regular tools. Forge Code understands project files, Git history, dependencies, and environment context, so once it loads your project, it comprehends the codebase structure and can respond to prompts without repeated explanations. It offers a multi-agent architecture: a “Forge Agent” for implementing changes and real code execution, and a “Muse Agent” for planning, analyzing, and reviewing code without altering files. You can use Forge with your preferred AI provider or self-hosted LLMs, giving full control over where your code goes and how the model is run.
    Starting Price: $20 per month
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