Best 7 AI Voice Assistant Tools of 2025

Moocat is an AI-powered intelligent keyboard. It leverages built-in artificial intelligence to provide users with real-time typing suggestions, grammar correction, and context-aware responses, thereby enhancing typing speed and accuracy. Moocat also features language translation capabilities, eliminating language barriers and enabling smoother communication. Additionally, users can personalize the keyboard's appearance and functions to match their individual style and preferences. Suitable for professionals, students, travelers, and various other user groups, Moocat elevates the everyday communication experience.

Siri-Ultra is a cloud-based smart assistant that runs on Cloudflare Workers and can be integrated with any large language model (LLM). It leverages the LLaMA 3 model and utilizes custom function calls to access weather data and online searches. This project allows users to interact with Siri through Apple Shortcuts, eliminating the requirement for dedicated hardware devices.

ADeus is an open-source AI wearable device project that records voice and environmental data in real time. It provides personalized assistant services through mobile or computer applications and supports various intelligent functions. Users have complete control over their data.

Voxos is a multifunctional and user-friendly desktop voice assistant that integrates LLMs into your daily workflow. Compared to accessing LLMs through a web UI, it is more streamlined. It is perfect for anyone who uses a desktop computer and wants to save time and effort. Additionally, you can build your own customized features based on Voxos's modular design. Voxos is designed to be easily extensible and customizable. Therefore, we encourage you to customize your modifications in a way that conforms to the current design patterns, and we hope you will contribute your changes to Voxos by submitting MRs to benefit all Voxos users.

Brave Leo AI is an intelligent AI assistant launched by Brave Browser, directly integrated into the browser. Users can chat with Leo to obtain information without leaving the current page. Leo can intelligently summarize web page content, translate pages, answer questions, and quickly help users obtain the information they need. At the same time, Leo places great importance on privacy protection and will not record or share user chat content. No login or account is required to use, making your chat more private and secure.

Sirius is a Siri plugin integrated with GPT-4 and web scraping capabilities, transforming your everyday Siri into a powerful AI tool capable of searching and extracting information from the internet. Beyond basic browsing, Sirius empowers Siri to understand, summarize, and engage with web content on a deeper level, providing a more human-like interaction experience. Sirius is compatible with iOS, macOS, and iPadOS devices, ensuring the next generation of AI capabilities is available on your Apple devices. A single purchase grants you lifetime updates and features, with no additional fees.

Talk-to-ChatGPT is a Chrome extension that lets you communicate with ChatGPT using your voice and hear its voice responses. It utilizes speech recognition and text-to-speech technology. Interact with ChatGPT without needing a keyboard! It's completely free and open-source. Simply open the ChatGPT homepage to use it. A small box will appear in the top-right corner of the page - click the "Start" button to begin. You can also adjust settings: language, speed, tone, and more. This plugin supports all the voice recognition and text-to-speech languages of the Google Chrome API, meaning it supports all major languages. You can also use the ElevenLabs API to access countless ChatGPT voices.