Open Source Chat
The best 50 Open Source Chat AI tools - Free & Paid
Explore 50 AI for Open Source Chat
Uncensored AI delivers a chat platform featuring Claude Opus, Gemini, Grok, and MiniMax M2‑Her. It supports text, audio, image, and code interactions, including image‑to‑video via Image Studio. API beta and usage stats benefit developers, writers, educators, and researchers.
Freemium
OpenCode.ai is an open-source AI coding agent that runs directly in your terminal, IDE, or desktop. It connects to 75+ LLM providers, supports offline use, and enables multi-session collaboration for code review and debugging.
Free
ChatGPT is an AI chatbot based on large language models family created by OpenAI for general purpose chat that allows users to ask any question or prompt to AI, making it a useful tool for many writing processes.
Freemium
- $20/mo
Overchat is a versatile AI app that integrates multiple AI models like ChatGPT, Claude, and Gemini for dynamic text generation, summarization, coding assistance, and image creation. It supports multilingual translation, homework help, and ensures secure, encrypted interactions across all features.
Freemium
- $7/mo
DeepSeek-V3 is an advanced AI model offering leading performance in open source LLM, enhanced speed, and global language support. It sets new benchmarks for inference speed among open-source models.
Gemini is an AI assistant and chatbot provided by google based on Gemini LLM family. It provides access to Google's advanced AI systems with many features and integrations to help you with daily workflows and tasks."
Freemium
- $20
OpenAssistantGPT is an open‑source SaaS that lets you build no‑code AI chatbots for websites. It auto‑crawls a URL, supports GPT‑4/3.5, handles file attachments, SAML/SSO, API calls, and web search, with GitHub source and Vercel SDK.
Freemium
- $18/mo
LemonChat is an anonymous chat platform that connects users with strangers via text and video. It features interest-based matching, gender preference filters, and continuous moderation, ensuring a safe and engaging chat experience across multiple devices without requiring registration.
Free
Qwen Chat AI assistant that provides access to Qwen LLM models and can be used by content creators, developers, and researchers, offering web and image searches, artifact management, and more to enhance productivity.
Prechance's NSFW AI Character Chat lets you engage in conversations with AI characters online, free, unlimited, and without sign-up. Your data is locally saved.
Free
Chatbox - AI Copilot Desktop is a versatile cross-platform (Windows, Mac, Linux) tool featuring multiple LLN models. It combines an ergonomic design, diverse AI model assistance, and local data storage to boost productivity by converting conversations into valuable insights.
Freemium
- $3.99/mo
Le Chat is an AI assistant that simplifies tasks from everyday questions to complex projects. It combines powerful AI with access to various data sources for comprehensive answers, offering features like search, code analysis, and custom workflow building.
Freemium
YesChat.ai unifies chat, music, video, and image generation in a browser platform, offering DeepSeek‑R1, GPT‑4o, and Claude 3.5 Sonnet for conversation, royalty‑free music from text, text‑to‑video, and image creation. It supports languages and customizable bots for research and marketing.
Subscription
t3 chat is an AI assistant that facilitates efficient communication and information exchange through enhanced search capabilities and mobile access. Its user-friendly interface supports multiple conversation threads, catering to students, professionals, and casual users for diverse inquiries.
Subscription
Voxt combines voice and text for rapid, context‑rich chats, offering live transcription, real‑time translation, AI‑summarized notes, group and place‑based threads, file sharing, end‑to‑end encryption, and threaded replies to shorten meetings and speed decisions.
Freemium
Create, embed, and share personalized AI chat apps without coding using Dialogly. Seamlessly integrate and share GPT-enabled chat apps, fetch real-time data from external HTTP endpoints, customize app behavior with custom rules, automate tasks with Zapier, and extract textual data from URLs. Pricing
Subscription
GPTGO blends Google search with ChatGPT, presenting results and AI‑generated summaries in 100+ languages. Users get concise answers beside each result, can copy or download, and access the tool on desktop, mobile, or tablet without registering.
Free
AI Chatting delivers free, registration‑free GPT chat from browser or mobile, offering quick answers, language practice, content creation and editing, image identification, and specialized AI personas, with no stored chat history for privacy.
Paid
CloseChat is a cross‑platform AI chatbot mirroring ChatGPT and Claude, offering instant advanced features, file ingestion across formats, unlimited output, and a plugin marketplace, available natively on Windows, macOS, Linux, and Android.
Subscription
Omegle.site offers instant, anonymous video and text chats with strangers worldwide, no registration required. Accessible on mobile, tablet, and desktop, it uses AI moderation, fake webcam detection, and an integrated reporting tool for safe, unpredictable conversations.
Freemium
Okara is a private AI chat platform integrating 20+ open-source language and image models with client-side encryption and user-controlled decryption, unified memory for model switching, integrated web/social/YouTube search, image generation, file uploads, and private team hosting.
Freemium
- $20/mo
OpenAI’s ChatGPT Images, powered by GPT Image 1.5, elevates creative workflows by offering rapid, precise image generation and editing directly within ChatGPT. It’s a versatile tool for visual content creation and design.
Freemium
AIChatOnline.org is a browser‑based AI assistant that processes text, images, and documents, aiding writers, researchers, and developers to draft content, refine tone, summarize reports, debug code, and browse over 50k integrated AI tools—all without installation and with session‑only privacy.
Subscription
- $6.4/mo
Chatpad AI is a local GPT‑4 compatible chat interface that runs on the user’s machine. It stores all conversations locally, supports import/export, and lets developers and privacy‑focused users manage prompts securely.
Free
ChatCraft is a web‑based AI coding assistant that authenticates with GitHub or Google, lets users create, edit, and save multiple chat sessions, share URLs, and invoke functions to aid code learning and creativity. It stores past conversations for easy reference.
Freemium
ChatTTS is a high‑quality, bilingual text‑to‑speech model optimized for dialogue. Trained on 100k hours, it delivers natural English and Chinese voices via simple API/SDK, supporting web, mobile, desktop, and embedded use.
Subscription
Chat Summary is an AI tool that integrates with LiveChat, automatically generating concise summaries of chat transcripts. It extracts key points, keywords, and sentiment, providing centralized reports and actionable feedback to improve agent performance.
Free trial
- $1.67/mo
Chat100.ai offers a single web interface that integrates GPT‑5.2, GPT‑5.1, GPT‑4o, Grok‑4.1, Grok‑4, Grok‑3, Gemini 3 Pro, and Gemini 3 Flash, enabling instant model switching, side‑by‑side comparison, and streamlined workflows for writing, coding, design, and research.
Free trial
ColossalChat is a LLaMA‑based chatbot that offers a transparent, open‑source implementation with a basic safety filter. It allows issue reporting and operates under OpenAI Terms, making it suitable for developers and researchers needing straightforward conversational AI.
Freemium
Monica integrates GPT‑5.2, Claude 4.5, Gemini 3 Pro, Sora 2, and Nano Banana into a single extension for Chrome, Edge, Windows, macOS, Android, and iOS. It supports chat, web search, translation, summarization, image/video creation, code assistance, OCR, PDF conversion, and resume review.
Free
Chat2DB converts natural‑language prompts into optimized SQL for over 40 databases. It offers a GUI editor, visual tables, ER diagrams, error‑correction, secure local execution, audit trails, and collaborative dashboard sharing for developers, analysts, and non‑technical users.
Freemium
- $9/mo
Poe.com is a web tool for chatting with multiple AI models from one interface. It offers free quota to chat with ChatGPT and GPT4, and the quota renews daily.
Freemium
Chatworm offers web, Android, and Windows interfaces to chat with multiple LLMs (OpenAI, Anthropic, DeepSeek, Gemini, Qwen, Mistral, Grok). It supports Whisper speech, TTS voices, DALL‑E 3 image creation, ChatGPT Vision analysis, model switching, and dark mode. Open‑source on GitHub.
Freemium
CrawlChat converts product and technical documentation into an AI chatbot and searchable knowledge base for websites, Discord, and Slack, importing from Docusaurus, Notion, Confluence, GitHub, files, and YouTube, with source citations, ticket escalation, analytics, and customization.
Free trial
- $45/mo
Genspark unifies inbox, workflows, and collaboration into one AI workspace, offering a 1‑million‑token context window, voice‑to‑text, auto‑meeting notes, and Chrome extensions for instant summarization and task automation across WhatsApp, Slack, and Teams.
Freemium
Chaport is an all‑in‑one customer messaging platform that delivers live chat on websites, email, and messaging apps, 24/7 chatbot automation, a knowledge base, mobile sync, and extensive integrations to streamline sales, support, and marketing.
Freemium