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.

Augmentoolkit 3.0 is a refined and battle-tested open-source tool that creates domain-expert datasets to train custom LLMs with your own data, featuring an intuitive interface, offline capability, and automatic dataset generation and training processes.

Web is an experimental macOS AI browser built natively with SwiftUI that delivers a minimal, progressive browsing experience with integrated local AI capabilities specifically designed for Apple Silicon machines.

Kuzco is a powerful Swift package that enables local Large Language Model (LLM) inference directly in iOS and macOS apps, built on llama.cpp with zero network dependency for privacy-focused AI integration.