Apps similar to Apertus include Lumo by Proton, which is open source with a free version. Other options are ChatGPT, DeepSeek, Mistral Vibe and Claude. You're spoiled for choice with AI Chatbots like Apertus: we list more than 100 alternatives for the web, Mac, Windows, Linux and Android.
Alpaca is an Ollama client where you can manage and chat with multiple models, Alpaca provides an easy and begginer friendly way of interacting with local AI.
Costa Rica
The self-improving AI agent built by Nous Research. It's the only agent with a built-in learning loop — it creates skills from experience, improves them during use, nudges itself to persist knowledge, searches its own past conversations, and builds a deepening model of who...
United States
Confidential AI chat assistant delivering writing, summarization, voice transcription, email handling, and document search tools, all hosted exclusively in Switzerland with open source models, data sovereignty, and compliance with GDPR and FADP standards.
Switzerland
Grok is an AI-powered assistant, developed by xAI, designed to be maximally truthful, useful, and curious. Get answers to any question, generate striking images, and upload pictures to gain a deeper understanding of your world. With Grok, the universe is in your hands!
United States
Poe is a web-based AI platform that hosts multiple assistant bots—including Claude and various GPT and image/audio models—to provide conversational Q&A, image and audio generation, and automated AI workflows.
United States
LibreChat is a free, open source AI chat platform. This Web UI offers vast customization, supporting numerous AI providers, services, and integrations. Serves all AI Conversations in one place with a familiar interface, innovative enhancements, for as many users as you need.
United States
Runs fully private, offline chatbot entirely in browser, ensuring conversation data never leaves the device. No server, installation, external services, or account needed. Supports Llama 3, Mistral, and other open source models in a ChatGPT-like interface for privacy-focused users.
Z.ai is an AI-powered conversational platform developed by Zhipu AI, designed to provide intelligent, natural, and context-aware interactions. It leverages Zhipu’s advanced large language models (GLM series) to support tasks such as answering questions, generating content...
China
Explore Mellum, a family of fast language models, including a next-generation model for ultra-low-latency and high-performance inference.
Lightweight AI assistant runs in Apple containers with isolated Linux container processes for superior OS-level security, transparency, and privacy compared to complex chatbots, enabling quick code review, easy customization, and minimal dependencies for all users.
AI assistant supports complex math, coding, image understanding, and reasoning with up to 128k token processing, short and long chain-of-thought tasks, visual and text input, accurate benchmarks, self-learning ability, and reinforcement learning for improvement.
China
As part of Meta’s commitment to open science, today we are publicly releasing Llama (Large Language Model Meta AI), a state-of-the-art foundational large language model designed to help researchers advance their work in this subfield of AI.
United States
Czechia
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