Best 31 AI code assistant Tools of 2025

CursorCore is a series of open-source models designed to assist in programming through aligned coding instructions, supporting functionalities such as automated editing and inline chatting. These capabilities mimic core features of proprietary AI programming tools like Cursor. This project, powered by the open-source community, aims to enhance the application of AI in programming, enabling developers to write and edit code more efficiently. Currently in its early stages, the project has already demonstrated its potential for improving coding efficiency and supporting code generation.

Repopack is a powerful tool that allows you to package your entire codebase into a single, AI-friendly file, making it ideal for providing codebases to large language models (LLMs) or other AI tools like Claude, ChatGPT, and Gemini.

Zed AI is a plugin integrated into programming workflows that enhances code generation, transformation, and analysis through direct interaction with large language models (LLMs). It offers multiple interaction methods, including an assistant panel, slash commands, inline assistance, and a prompt library to improve development efficiency. Zed AI also supports a variety of LLM providers, allowing developers to select different models as needed to enhance their productivity. Additionally, Zed AI provides a new managed service with a free trial for the first month, equipped with the Anthropic API designed for rapid text transformation.

avante.nvim is a Neovim plugin designed to replicate the behavior of Cursor AI IDE, assisting users by providing AI-driven code suggestions that can be directly applied to their source files with minimal effort. Currently in the early stages of development, the code may be unstable with frequent issues; however, the project is undergoing rapid iteration, with many exciting new features on the way.

Claude Dev is a VSCode extension that leverages the proxy coding capability of Anthropic's Claude 3.5 Sonnet, designed to handle complex software development tasks step by step. It not only supports file read/write, project creation, and execution of terminal commands (with user permission), but also provides an intuitive GUI, allowing users to safely and easily explore the potential of proxy AI.

Meta Large Language Model Compiler (LLM Compiler-13b), built upon Code Llama, is an advanced large language model specializing in code optimization and compiler inference. It demonstrates superior understanding of compiler optimization tasks compared to existing publicly available large language models, capable of accurately simulating compiler outputs 20% faster. LLM Compiler offers two model sizes: 7B and 13B parameters, each trained to address different service and latency requirements. This model is free to use for both research and commercial purposes, aiming to support compiler researchers and engineers and inspire the development of innovative tools.

LLM Compiler-7b is a large language model focused on code optimization and compiler inference, developed by Meta. Based on the Code Llama model, it utilizes deep learning to optimize code, supporting understanding of compiler intermediate representations, assembly language, and optimized code. This model demonstrates excellent performance in reducing code size and in reverse compilation from assembly to compiler intermediate representations, serving as a powerful tool for compiler researchers and engineers.

CriticGPT is a tool developed based on the GPT-4 model, designed to assist humans in reviewing ChatGPT's code output. By identifying errors and providing comments, it enhances the accuracy and efficiency of the trainer's review. This tool effectively captures potential issues, providing strong support for AI model improvement.

Moatless Tools is an open-source project where the author explores ideas about using large language models (LLMs) to edit existing large codebases. The project believes that building good tools for inserting the correct context into prompts and handling responses is more crucial than relying on agent-based reasoning solutions.

DeepSeek-Coder-V2 is an open-source Mixture-of-Experts code language model, whose performance rivals that of GPT4-Turbo. It excels in code-specific tasks. Further pre-trained with an additional 60 billion tokens, it enhances coding and mathematical reasoning abilities while maintaining comparable performance on general language tasks. Compared to DeepSeek-Coder-33B, it shows significant improvements across code-related tasks, reasoning, and general capabilities. Moreover, it supports 338 programming languages (an expansion from 86) and boasts a context length extended to 128K from 16K.

TongYi Lingma is an AI code assistance tool launched by Alibaba Cloud. Trained on massive open-source code datasets and programming libraries, it can automatically generate line-level/function-level code, unit tests, and code comments based on the current code file and cross-file context. Additionally, it features code interpretation, intelligent R&D Q&A, and exception error debugging capabilities to provide developers with an efficient and smooth coding experience. TongYi Lingma can generate suggested code at millisecond speeds, meeting the daily development needs of programmers. It is compatible with over 200 mainstream programming languages, including Java, Python, JavaScript, TypeScript, C/C++, and supports popular IDEs such as Visual Studio Code and JetBrains IDEs.

Micro Agent is an AI code assistant that can automatically write code based on test cases or design screenshots until the test passes or the design matches. It primarily addresses issues that require repetitive iteration to fix the code, reducing the manual iteration process through AI technology. Micro Agent focuses on writing tests and generating code that passes the tests, rather than trying to be a full-stack developer. It integrates with Visual Copilot, allowing direct connection to Figma, ensuring a high-fidelity conversion from design to code.

TencentCloud AI Code Assistant is a self-developed development programming efficiency assistant tool by TencentCloud. It provides technical dialogue, code completion, code diagnosis, and optimization capabilities based on the Huanyuan Code Large Model, helping developers generate high-quality code, solve technical problems, and improve coding efficiency.

CodeQwen1.5 is a code expert model based on the Qwen language model, with 7B parameters, supporting 92 programming languages and a maximum context input of 64K. It has functions such as code generation, long sequence modeling, code modification, and SQL capabilities, aimed at improving developer productivity and simplifying the software development process.

Devika is an advanced AI software engineer capable of understanding complex human instructions, breaking them down into actionable steps, researching relevant information, and writing code to achieve the desired outcome. This project aims to provide an AI partner that can collaborate with humans to tackle intricate programming tasks.

LLM4Decompile is an open-source project aimed at creating and releasing the first LLM (Large Language Model) specifically designed for decompilation. It assesses the capabilities of this model by building the first benchmark for decompilation focused on recompilability and executability, known as Decompile-Eval. The project constructs this benchmark by compiling numerous C code samples into assembly code, then fine-tuning the DeepSeek-Coder model using this data.

GPT Code Reviewer is a plugin that enables users to upload code for analysis and summarization by ChatGPT. It offers input boxes for multiple project source codes and checks their length. Through prompts, manual API parameters, flowcharts, and review, GPT Code Reviewer will analyze this code and act as your excellent coding assistant.

Google Goose is an AI coding assistant developed internally by Google. By learning from Google's extensive codebase and years of programming experience, Goose assists Google engineers in programming more efficiently. It offers features such as code auto-completion, grammar correction, code quality assessment, and specified style code generation. Engineers can utilize Goose to automatically generate code frameworks, enhance programming efficiency, and reduce repetitive labor. Goose covers the most widely used programming languages within Google, such as Python, JavaScript, Java, and C++. Compared to other AI coding assistants on the market, Goose is more aligned with Google's technology stack and coding style. Its launch is expected to significantly increase the productivity of Google's engineering team, accelerating the deployment of products and services.

DeciCoder-6B-Demo is an efficient programming tool based on the 6B model, capable of running quickly on T4 applications. It offers excellent file management and community support, making programming more efficient and convenient.

Copilot Pro is a paid upgrade version of Copilot released by Microsoft. By providing prioritized access to the latest AI models such as GPT-4, it significantly enhances users' creativity and work efficiency. This service can be bundled with Microsoft 365 subscriptions and supports the direct use of Copilot features within Office applications such as Word and Excel, helping users draft documents, emails, and presentations much faster.

Copilot is Microsoft's groundbreaking chat assistant powered by the latest OpenAI models GPT-4 and DALL?E 3. Enhance productivity, a versatile AI assistant, improve design efficiency with Image Creator, and experience the future of AI interaction.

Glance is a tool for highlighting important parts of the code. It divides the code into overlapping windows and uses a pre-trained code embedding model to embed the code windows. Then, it creates a weighted undirected graph by calculating the cosine similarity between the embeddings and runs the PageRank algorithm to calculate the "importance" score for each code window. Glance can help developers quickly understand the key parts of the code.

GitHub Copilot Enterprise is the enterprise tier of GitHub Copilot, designed for organizations and businesses using GitHub Enterprise. Currently in testing, it offers AI-powered features like Copilot Chat and Copilot pull request summaries. Users can nominate their organizations to try the product.

IBM Watsonx Code Assistant harnesses generative AI to accelerate development while maintaining the core principles of trust, security, and compliance. Developers and IT operators can accelerate application modernization efforts and generate automation to quickly expand the IT environment. Watsonx Code Assistant is supported by IBM's Granite base model, which includes state-of-the-art large language models tailored for code. These models aim to assist IT teams in generating high-quality code by providing AI-based suggestions based on natural language requests or existing source code.

CodeShell is a multilingual code large model foundation with strong code foundation capabilities. It supports code generation, code completion, and code Q&A. CodeShell has achieved the best results on authoritative code evaluation benchmarks and provides deployment solutions and IDE plugins.

LocalPilot is a local application for macOS that utilizes GitHub Copilot. It offers features such as code autocompletion and function completion, delivering near-identical results to GitHub Copilot for simple line completions and basic function completions. Performance on complex functions may vary slightly. Setting up LocalPilot is straightforward, requiring only a few configuration adjustments in your VS Code settings. It also supports custom proxies and debugging modes. LocalPilot's performance is influenced by network speed, exhibiting improved efficiency in environments with slower connections. It is particularly suitable for use on airplanes or in situations with limited network connectivity.

GitHub Copilot Chat is a programming AI assistant that can understand natural language descriptions of coding tasks and provide code suggestions, code snippets, and more to help developers write code.

Codeium is your modern coding superpower, a free AI-powered code acceleration toolkit. Codeium provides code completion for 20+ programming languages with blazing-fast speeds and state-of-the-art suggestion quality. Codeium enables you to write code in natural language, reduce boilerplate code, find and utilize APIs, and automatically generate unit tests.

Baidu Comate Programming Assistant, powered by the Wenxin large language model and leveraging Baidu's years of programming expertise and external open-source data, generates high-quality code that aligns with real-world development needs. It can help you quickly comprehend code, answer technical questions, generate code snippets, optimize code, fix errors, and more. Supports multiple mainstream programming languages and popular IDEs.

GitLab's AI-powered code suggestions empower you to code more efficiently, protect your proprietary source code, and leverage billions of lines of code for reference. Utilizing generative AI, it offers code suggestions to assist you in completing entire lines of code, rapidly launching functions, filling in template code, and generating tests, among other functionalities.