Open Source Conversational AI
The best 50 Open Source Conversational AI tools - Free & Paid
Explore 50 AI for Open Source Conversational AI
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.
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
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
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
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
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
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
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
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.
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
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.
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
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
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
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
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
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
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
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
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
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
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
Copilot AI is an innovative generative tool that provides data-driven insights and visualizations through conversational interactions. It boosts collaboration, accelerates decision-making, and excels in understanding customer issues, quantifying results, and predicting business impact with secure i
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
AI-powered chat tool that allows users to interact with a virtual girlfriend or boyfriend. Choose from over 5000 characters.
Subscription
Seasalt.ai is an AI-powered conversational platform that combines speech recognition and AI agents for improved customer relationships. It offers personalized interactions through real-time multilingual transcription, enabling businesses to make data-driven decisions for enhanced customer satisfact
Freemium
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
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
YourChat.ai is a free AI messenger fueled by ChatGPT, providing unregistered instant access to information and guidance. Ask about diverse topics and receive prompt responses for versatile queries and engagements.
Free
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
The AI tool allows users to create custom interactive web pages and chatbots using OpenAI's chat GPT text generation model. It also offers image generation, voice interface, and realistic text-to-speech capabilities.
Free
Kimi.ai provides free access to the K2.5 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.
OpenAI's advanced conversational AI, fueled by GPT-3.5-turbo, delivers fluent text conversations through sophisticated natural language processing. Adjustable max tokens, message size, and integration with Azure/Google APIs enhance deployment, while multilingual support ensures customizable user ex
Freemium
Ubdroid AI Answer Engine utilizes open-source language models to provide accurate responses to user queries across various topics. Users can access specific models for free, switch between them, and make up to 10 requests per minute.
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
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
DapperGPT consolidates multiple AI models—OpenAI, Anthropic, Gemini, Mistral, Grok, and Llama—into one chat interface that supports images, documents, and code uploads. It offers built‑in agents, custom toolchains, Spotlight search, folder organization, pinning, and browser‑extension integration, ke
Free
FreedomGPT unifies access to 400+ AI models, showing side‑by‑side answers for voting and auto‑selection via leaderboard. It keeps privacy safe, runs on Windows/macOS, and is open‑source for community contribution and collaboration.
Free
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
TalkTo.ai is a conversational AI platform featuring over 30 specialized characters—such as Developer, Marketer, Lawyer, and Travel Guide—allowing users to switch roles for natural dialogue. It supports PDF document chat, adapts tone, and encrypts data without monetization.
Free