Best AI tools for AI Code Assistant in 2025

GitHub Copilot Chat is an AI-powered coding assistant that provides natural language interactions, real-time code suggestions, and contextual support directly within supported IDEs and GitHub.com.

CopilotForXcode is an Xcode Source Editor Extension that integrates GitHub Copilot, Codeium, and ChatGPT to provide AI-powered code suggestions, chat assistance, and prompt-to-code functionality within Xcode.

BrowserAI is an open-source library that enables running local Large Language Models (LLMs) directly in web browsers with WebGPU acceleration, offering privacy-focused AI capabilities without requiring server infrastructure.

OpenAI Codex CLI is a lightweight, open-source coding agent that runs in your terminal, enabling developers to translate natural language into code execution while providing ChatGPT-level reasoning with the ability to run code, manipulate files, and iterate under version control.

AI CLI is an open-source command-line interface tool that brings AI capabilities directly to your terminal, allowing you to interact with various AI models like OpenAI's GPT and Anthropic's Claude through simple commands.

MiMo is a 7B parameter language model series developed by Xiaomi that specializes in mathematical and code reasoning capabilities, achieving performance comparable to larger models through innovative pre-training and post-training strategies.

UFO² is Microsoft's next-generation Desktop AgentOS that transforms natural-language requests into automatic, reliable, multi-application workflows on Windows, combining UI automation, native API integration, and multi-agent coordination.

Pixelagent is a declarative Python framework for building custom AI agents that unifies LLM capabilities, storage, and orchestration with build-your-own functionality for memory, tool-calling, and multimodal data handling.

VibeShift is an intelligent security agent that integrates with AI coding assistants to automatically analyze, identify, and remediate security vulnerabilities in AI-generated code before it reaches production.

DeepSeek is a pioneering AI company specializing in advanced language models for code generation, creative content development, and natural language interaction, delivering industry-leading performance across open-source and enterprise ecosystems.

xAI Grok-2 is an advanced AI language model with enhanced capabilities in chat, coding, reasoning, and image generation, available on the X social network.

GPT Engineer is an AI-powered software development tool that enables anyone to build web applications by chatting with an AI engineer.