Open Source Conversational AI
The best 50 Open Source Conversational AI tools - Free & Paid
Explore 50 AI for Open Source Conversational AI
Claude is an advanced AI assistant designed for a variety of tasks, including code generation, writing, productivity enhancement, and business automation. It is highly adaptable, intelligent, and customizable to meet diverse user needs.
Freemium
- $18/mo
Convai enables developers to create 3D conversational characters that perceive vision, voice, and gestures, integrate with Unity, Unreal, or WebGL, and are enriched via document uploads. It offers multilingual support, realistic animation, and scalable deployment across web, mobile, VR, and AR.
Freemium
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.
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
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
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
Character AI is an advanced AI chatbot web application that offers human-like text responses, allows for user-developed characters with NSFW filters, and enables conversations with fictional, historical, and celebrity figures.
Freemium
Kimi.ai provides free access to the K3 is a multi-modal AI model. It excels in reasoning tasks, supports large context windows, and integrates text and vision data, making it suitable for developers seeking robust AI solutions with enterprise security.
Freemium
Z.ai chat is an AI-driven conversational tool that utilizes advanced natural language processing to facilitate interactive dialogue and deep search for applications in tech blogs, coding, and research, with API support for developers and content organization features.
Talkie.ai is an AI Companion Platform offers an immersive experience through diverse AI personalities and captivating audio-visual interactions, enabling users to create, customize, and connect with their ideal companions. Its multi-modal approach combines visual and auditory elements for lifelike e
Freemium
Grok is a conversational AI and multimodal chatbot developed by xAI, Grok is designed to enhance user interaction by providing answers to a wide range of questions, including those that might be considered "spicy" or controversial, which other AI systems typically avoid
Freemium
Browser extension that displays conversational AI answers and multi-model comparisons alongside search results, integrates with GPT-4/Claude and major search engines, and adds YouTube summaries, PDF/image/OCR processing and content-generation tools for research and creation.
Free
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
Meta AI is a conversationalist AI chatbot assistant with humor and sass, offering chat, listening, and assistance in various tones and for daily tasks
Free
ownAI lets users build, host, and deploy custom AI assistants without coding. Create assistants for personal tasks, marketing, or support, with data hosted on your domain. Import knowledge bases, run models locally, and access open‑source code on GitHub.
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.
Crushon.ai is an AI-powered NSFW chatbot for AI anime created characters, providing customisable unfiltered chat experience with unfiltered AI characters.
Freemium
- $5.99/mo
Duck.ai offers anonymous access to popular AI models. It ensures privacy by keeping conversations untracked and outside AI training data, with seamless model switching.
Free
Chatbot AI provides access to various AI models for text conversations and image generation. It features an advanced search function, supports idea brainstorming, and allows for both casual and in-depth discussions with fast response times and chat history.
Freemium
- $14.99/mo
The Speak AI tool is a language data analysis and research platform with transcription, data analysis, and sentiment analysis capabilities for various types of media.
Free trial
PandasAI is an open-source tool for conversational data analysis that allows users to query data in natural language. It integrates various data sources, provides real-time insights, and generates detailed reports and visualizations for effective decision-making.
Subscription
OpenCraft AI is a secure, multi‑model copilot that unifies GPT‑4, Claude, and Gemini. It preserves context across model switches, keeps uploaded files accessible, auto‑formats chats into reports or decks, and generates images with consistent voice tone for streamlined workflows.
Paid
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
Free AI Chatbot & Image Generator offers unlimited text and voice interactions for engaging conversations, customizable personas, and unrestricted image creation, along with integrated web search to keep users informed about current events and trends.
Free
ConvoZen.AI deploys omni-channel AI agents across voice, chat, email, WhatsApp and social media, providing real-time agent assist, sentiment summaries, speech-to-text/TTS, analytics, knowledge base and workflow tools for contact centers, sales, compliance and onboarding.
Freemium
Chat & Ask AI combines web search, image generation, link analysis, document chat, and YouTube summarization in one interface. It offers up‑to‑date answers, multilingual support, file uploads, and a prompt library, powered by GPT‑5.2, Gemini, Claude, and Stable Diffusion XL.
Free
Ourdream.ai is an interactive AI chat platform that enables users to create personalized AI girlfriends with customizable profiles and diverse personas, offering immersive role-playing scenarios and evolving interactions tailored to individual preferences.
Freemium
Perso Interactive is a multimodal AI conversational platform delivering real-time, multilingual speech, vision and gesture interactions across PC, mobile and kiosks, with customizable avatars, TTS/voice cloning, precise lip-sync, automated video dubbing and SDK LLM integrations.
Free
OpenDialog is an enterprise AI platform that deploys purpose‑built agents for regulated insurance workflows, boosting quote conversions, automating policy queries, and recovering lost revenue while ensuring compliance and auditability for agencies.
Freemium
The platform provides a suite of tools to create and manage an AI assistant with natural language processing, machine learning, and conversational AI features that can automate tasks like scheduling meetings and answering customer queries.
Freemium
- $40/mo
AI-powered chat tool that allows users to interact with a virtual girlfriend or boyfriend. Choose from over 5000 characters.
Subscription
Chatty AI offers conversational access to thousands of virtual personas—educators, professionals, historical and fictional characters—using open‑source language models. It supports markdown dialogue, secure cloud sync across devices, and specialized assistants for writing, coding, learning, and cons
Freemium
The AI tool offers advanced features such as voice recognition, image albums, and chat rooms to create AI chat characters for companionship, gaming, roleplay, and knowledge sharing, with developer support and Discord integration.
Freemium
Sideconvo.ai is an AI-powered plugin that acts as a 24/7 virtual assistant for your website. It automatically engages visitors in real-time conversations to answer questions, guide them, and drive conversions.
Subscription
- $41.67/mo
HammerAI is a private and free AI chat platform for creating and interacting with AI characters in role-play scenarios. The AI model runs locally in the browser for free, ensuring user privacy and security.
Free
ChatFAI lets users converse with characters from movies, books, anime, history, and more. Each chat is private and securely stored. The AI generates natural dialogue, and users can add custom characters, aiding educators, learners, and entertainment seekers.
Freemium
Convocore lets businesses create and scale AI agents across web chat, WhatsApp, Instagram, Facebook, and Telegram. A visual node editor lets non‑developers build complex flows, integrate CRMs, calendars, and 40+ apps, while analytics and security support scalable, GDPR‑compliant operations.
Freemium
- $220/mo
ChatPlayground lets users compare and interact with 40+ AI models from a single interface, offering live web search, conversation history, document import, 100‑plus language support, a prompt library, and GDPR/CCPA‑compliant privacy.
Subscription
- $19/mo
Opencord AI monitors X and Reddit for brand mentions, analyzes sentiment and credibility, then auto‑generates and posts personalized replies. It can like, follow or repost, tracks KOL opportunities, and offers analytics to refine lead‑generation tactics.
Paid
Convo replaces rigid surveys with scalable, AI‑moderated voice conversations, capturing audio, video, and text. It analyzes data for themes, personas, and highlight reels, supports prototype testing, offers enterprise features, privacy compliance, and human‑in‑loop refinement.
Free trial
11 ai is a voice assistant using ElevenLabs Agents that enables voice-driven task management, customer research, ticket updates, and team messaging via integrations with Perplexity, Linear, and Slack, supporting private MCP servers and fast voice cloning across 5,000+ voices.
Freemium
Bearly AI is a secure, private chat platform that unifies OpenAI, Anthropic, Gemini, Grok, Google, Meta Llama, and Mistral models. It supports multimodal interactions, smart agents, real‑time collaboration, an isolated code interpreter, and end‑to‑end encryption with zero‑logging.
Freemium