Best Chatbot Software for OpenAI

Stack AI

AI agents that interact with users, answer questions, and complete tasks, using your internal data and APIs. AI that answers questions, summarize, and extract insights from any document, no matter how long. Generate tags, summaries, and transfer styles or formats between documents and data sources. Developer teams use Stack AI to automate customer support, process documents, qualify sales leads, and search through libraries of data. Try multiple prompts and LLM architectures with the ease of a button. Collect data and run fine-tuning jobs to build the optimal LLM for your product. We host all your workflows as APIs so that your users can access AI instantly. Select from the different LLM providers to compare fine-tuning jobs that satisfy your accuracy, price, and latency needs.

16 Ratings

Starting Price: $199/month

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Krater.ai

Krater.ai is a comprehensive and user-friendly platform that offers a range of AI-powered tools and services. Our platform provides a powerful alternative to all major AI services, tools and apps in one convenient and elegant location. You no longer need to switch between multiple apps and accounts that have different log-ins and pricing plans. With Krater.ai, you can generate 100% plagiarism-free content in a matter of seconds. Our AI-powered tool and templates ensure that your content is always original, allowing you to focus on creating high-quality content that resonates with your audience. Whether you're a marketer, content creator, or small business owner, Krater.ai has a pricing plan that suits your needs. We offer competitive pricing plans that are tailored to meet your specific requirements. Plus, we have a free plan that you can try out without the need for a credit card.

7 Ratings

Starting Price: $7 per month

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ChatGPT

OpenAI

ChatGPT is an AI-powered conversational assistant developed by OpenAI that helps users with writing, learning, brainstorming, coding, and more. It is free to use with easy access via web and apps on multiple devices. Users can interact through typing or voice to get answers, generate creative content, summarize information, and automate tasks. The platform supports various use cases, from casual questions to complex research and coding help. ChatGPT offers multiple subscription plans, including Free, Plus, and Pro, with increasing access to advanced AI models and features. It is designed to boost productivity and creativity for individuals, students, professionals, and developers alike.

5 Ratings

Starting Price: Free

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ChatGPT Plus

OpenAI

We’ve trained a model called ChatGPT which interacts in a conversational way. The dialogue format makes it possible for ChatGPT to answer followup questions, admit its mistakes, challenge incorrect premises, and reject inappropriate requests. ChatGPT is a sibling model to InstructGPT, which is trained to follow an instruction in a prompt and provide a detailed response. ChatGPT Plus is a subscription plan for ChatGPT a conversational AI. ChatGPT Plus costs $20/month, and subscribers will receive a number of benefits: - General access to ChatGPT, even during peak times - Faster response times - GPT-4 access - ChatGPT plugins - Web-browsing with ChatGPT - Priority access to new features and improvements ChatGPT Plus is available to customers in the United States, and we will begin the process of inviting people from our waitlist over the coming weeks. We plan to expand access and support to additional countries and regions soon.

1 Rating

Starting Price: $20 per month

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Botbyte AI

Transform your website into a 24/7 customer engagement powerhouse with Botbyte AI – where instant support meets seamless interaction! Easy integration Only include few lines of code in your website to make the chatbot work. OpenAI Assistants We use OpenAI Assistant to power our chatbots. You can use GPT-4, GTP-3.5 and GPT-4o User Inquiry User can enter contact information with a question and you can collect leads. Bring your API key No extra charge, you get billed directly by OpenAI. File Attachments You can attach a file CSV, XML, Images etc... in the chat and the chatbot will analyze it.

1 Rating

Starting Price: $6/user/month

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KnowItAll

KnowItAll is a free AI Chatbot app that allows you to use ChatGPT on your iPhone. KnowItAll doesn't require you to sign up with a subscription or watch ads in order to use it as well.

1 Rating

Starting Price: Free

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ChatGPT Pro

OpenAI

As AI becomes more advanced, it will solve increasingly complex and critical problems. It also takes significantly more compute to power these capabilities. ChatGPT Pro is a $200 monthly plan that enables scaled access to the best of OpenAI’s models and tools. This plan includes unlimited access to our smartest model, OpenAI o1, as well as to o1-mini, GPT-4o, and Advanced Voice. It also includes o1 pro mode, a version of o1 that uses more compute to think harder and provide even better answers to the hardest problems. In the future, we expect to add more powerful, compute-intensive productivity features to this plan. ChatGPT Pro provides access to a version of our most intelligent model that thinks longer for the most reliable responses. In evaluations from external expert testers, o1 pro mode produces more reliably accurate and comprehensive responses, especially in areas like data science, programming, and case law analysis.

1 Rating

Starting Price: $200/month

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SleekFlow

Sleekflow Technologies Limited

SleekFlow is an agentic AI platform that transforms conversations into sales. Trusted by over 1,500 enterprises across over 80 countries, we unify communication channels into one single platform. Integrating with your own CRM or e-commerce platform, you can build a teams of AI Agent that can reply, and act on behalf of you. Customizable workflows supercharge human-AI collaboration for faster conversions. SleekFlow is located in Singapore, Hong Kong, Malaysia, Indonesia, Brazil, and the UAE. In Jun 2025, the Series A+ startup secured an additional funding round, bringing its total capital raised to USD $23.5 million. Investors include Atinum Investment, AEF Greater Bay Area Fund (managed by Gobi Partners GBA and Transcend Capital Partners) Moses Tsang (Former General Partner of Goldman Sachs Group and Chairman of Goldman Sachs (Asia) LLC) and Mars Growth Capital.

Starting Price: Free

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Splutter AI

Digital Agency, Inc.

Struggling to keep your website visitors engaged? 🤔 Splutter AI lets you seamlessly add a fully customizable, AI-driven chatbot to your site—no coding required 🛠️. Tailor every aspect to match your brand, from layout to conversational flow! Trained on your website, with features like voice chat 🎤, automated bookings 📆, and lead capture 🧲, learn about your customers & increase conversion rates! Whether you are aiming to automate bookings, capture leads, or provide personalized recommendations 🎯, Splutter AI adapts to your needs, so why wait? Get Started Now! Ready to transform your website into an interactive experience? Use Promo Code SUPERPOWERDAILY for 30% Off Hobby & Business Plans. 🏷️

Starting Price: 39.99$

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Smax AI

VIK Solution Co., Ltd.

Smax AI is All-in-One Sales & Engagement Automation platform designed for growing teams. It brings together AI-powered Live Chat, bot automation, and multi-channel tools to help you connect with leads, support customers, and drive conversions - all from one place. You can manage conversations from Facebook, Instagram, WhatsApp, Telegram, Line and your website in a single inbox, while AI agents handle FAQs, product consults, and order flows 24/7 based on your training data. With Smax AI, you can set up automated replies, remarketing campaigns, and lead captures to grow your audience - without coding. Built-in modules like loyalty cards, lucky wheels, and dynamic forms keep customers engaged and coming back. Smax AI also integrates directly with Meta Ads to sync customer actions for better targeting and ROAS, and works with the tools you already use. Whether you're running social commerce, eCommerce, or local business support, Smax AI helps you sell, support, and scale smart.

Starting Price: $25/month

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Cognigy.AI

Cognigy

Cognigy is transforming the customer service industry with the most advanced AI Agent platform for enterprise contact centers. Its award-winning solution, Cognigy.AI, empowers enterprises to deliver instant, hyper-personalized, multilingual service on any channel. By integrating Generative and Conversational AI to create Agentic AI, Cognigy delivers AI Agents that redefine customer experiences, drive satisfaction, and support contact center employees in real-time. -Industry-specific pre-trained AI Agents -Multilingual call and chat support (100+ languages) -Seamless integration with existing enterprise systems -Absorbs enterprise knowledge to accurately answer any customer query -Real-time assistance and actionable service insights for human agents Business Impact for our Customers: -30% CSAT improvement -15% shorter average handling time (AHT) -99.5% faster response time

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IngestAI

Turn your knowledge base into a ChatGPT-like context-aware bot. Upload your docs: technical documentation, educational program materials, product/services description, etc. Choose your favorite app and create a bot within minutes, with no code, and no technical skills needed. Get precise AI/ChatGPT-generated answers for questions about relevant materials. Free plan up to 3 bots, 1K requests, 10K tokens, 10Mb dataset size. IngestAI enables you to quickly build and deploy ChatGPT-like bots that answer queries based on uploaded knowledge-based (technical documentation, educational program content, company knowledge base, etc). Upload your knowledge base to IngestAI, choose your messaging platform (Slack, Discord, Telegram, etc), and let OpenAI generate accurate and relevant answers about your product. We encourage our new users to fist spend 2 minutes creating their first bot (that's exactly how long it takes) on Telegram.

Starting Price: $39 per month

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Libraria

The autonomous platform to easily create, manage, and embed custom assistants from your own data with Open AI embeddings. One XML, hundreds of URLs scraped in under one minute. GPT with your documents and your rules. Prefer a chat view and want to scrape and summarize an interesting article? Libraria can help you do that. Set up a vetted source of truth in mere seconds. Ensure that your team is always on the same page by creating a knowledge base that is easy to update and access. Create an assistant depending on your audience. Back it with data relevant to only them, and let Libraria do the rest. Create multiple assistants all in one place for yourself. Create your own AI assistant based on the documents you've imported. Customize the assistant's name, avatar, prompts, integrations, and more. Start querying it for insights, make it public, and share it with others. Keep your assistant up-to-date by syncing it with your sources.

Starting Price: $10

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ChatFlex

ChatFlex is a chatbot powered by ChatGPT, available on WhatsApp. Designed to revolutionize your communication experience on WhatsApp. With its cutting-edge capabilities, ChatFlex brings a new level of convenience, productivity, and interactivity to your everyday conversations. With ChatFlex, you can unleash the power of artificial intelligence right at your fingertips. Seamlessly integrated into WhatsApp, ChatFlex becomes your trusted virtual assistant, ready to assist you in a multitude of ways. This AI assistant can generate pertinent result to many of your demands. Use some keywords to take full advantage of all the features, like: - "image" to generating images - "document" for analyzing a PDF in order to providing you answers on its content - "web" for searching some informations on Google. ChatFlex is so easy to use! You can even talk to it via WhatsApp voice messages. Try ChatFlex today and discover the future of AI-powered communication on WhatsApp.

Starting Price: €6 per month

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Whautomate

Transform Conversations into Sales and Supercharge Your Customer Service & Engagement At Whautomate, we're passionate about helping businesses thrive in the digital age. Our multi-channel Customer Engagement & Automation platform is designed to streamline your communication and boost your efficiency across various channels, including WhatsApp, Telegram, Instagram, Messenger, and Live Chat. Some of the exciting features you can explore on our platform include: ✉️ Omnichannel Team Inbox 📅 Appointment Bookings 📚 Class Bookings 🤖 AI Chatbots on all channels 📱 Mobile app with push notifications 💰 Invoicing and Payments 📣 Segmentation & Broadcasting 🤩 Automations 📝 Forms & Surveys 🛒 E-Commerce Shop on WhatsApp 💼 Plans & Subscriptions

Starting Price: $69/month

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Warmly

Cut costs and deliver more conversations to your active sellers. Al fueled orchestration of buyer intent delivered automatically. Start seeing ROI in minutes. Buy once through Warmly and gain access to the best-in-class enrichment and intent data to power your automation. Combine intent with action to capture buyer interest in the moment, before your competitors do. Reveal, enrich, and qualify accounts researching you on your site and personalize engagement with them in real-time across email, LinkedIn, and live chat. Augment your sales team with generative Al assistants who connect on your behalf at optimal moments in the buyer's journey. Work every target account that visits your site in multi-threaded conversations with decision-makers without needing to add headcount. Consolidate all the tools, workflows, and actions needed to instantly capture the interest of decision-makers. Harnesses the power of your existing tools to automatically identify and convert high-intent visitors.

Starting Price: $850 per month

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JinaChat

Jina AI

Experience JinaChat, a pioneering LLM service tailored for pro users. JinaChat ushers in a new era of multimodal chat capabilities, extending beyond text to incorporate images and more. Delight in our offer of free short interactions under 100 tokens. Our API empowers developers to leverage long conversation histories and eliminate redundant prompts to build complex applications. Dive headfirst into the future of LLM services with JinaChat, where conversations are multimodal, long-memory, and affordable. Modern LLM applications often hinge on lengthy prompts or extensive memory, leading to high costs when similar prompts are repeatedly sent to the server with only minor changes. JinaChat's API solves this problem by letting you carry forward previous conversations without resending the entire prompt. This saves you both time and money, making it the perfect tool for developing complex applications like AutoGPT.

Starting Price: $9.99 per month

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Promptly

Depending on the use case, pick an appropriate app type or template. Provide input and configuration required for the app, and choose how the output is rendered. Add your existing data from sources like files, website URLs, sitemaps, YouTube links, Google Drive, and Notion exports. Attach these data sources to your app in the app builder. Save and publish your app. Access it from the dedicated app page or embed it in your website using the embed code. Use our APIs to run the app from your applications. Promptly provides embeddable widgets that you can easily integrate into your website. Use these widgets to build conversational AI applications or to add a chatbot to your website. Customize the chatbot look and feel to match your website, including a logo for the bot.

Starting Price: $99.99 per month

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MagicIA

A comprehensive platform to create AI-powered content and begin earning money in moments. This tool generates written content such as blog posts, articles, reports, and more. It's a valuable resource for content marketers, writers, or anyone who needs to produce significant amounts of written material. AI content generators have the capability to produce coherent and contextually relevant text based on the user's input prompts. Similar to the content generator but more focused on short-form text. It produces content like social media posts, ad copy, or product descriptions. Users can adjust the generated text's tone, style, and length according to their needs. Generate dialogues for conversational interfaces such as chatbots or virtual assistants. It can also be used to create scripts for various forms of media like plays, movies, or video games. Create engaging and informative product descriptions for ecommerce platforms using basic product information, enhancing product appeal.

Starting Price: €19 per month

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OnCompose

Unleash the power to generate text, images, code, chat, and much more with ease using OnCompose. Multilingual content understanding and generation capabilities. Gain valuable user insights, analytics, and activity data at your fingertips. Securely process various payment methods with enhanced security. Easily add unlimited custom prompts per your requirement. Effortlessly handle and oversee your support tickets directly from your dashboard. Writer is your instant solution for high-quality text generation, effortlessly. Our intuitive interface and robust features empower you to edit, export, or publish your AI-generated results with ease. Unleash your creativity with OnCompose's image-generation capabilities. Effortlessly produce high-quality images for diverse applications and elevate your visual content to new heights. Seamlessly enhance your designs with customizable options, making your creations truly remarkable.

Starting Price: $7 per month

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AgentX

Create a multi-model AI agent with your own data. Leverage LLM ChatGPT, GPT4, Gemini, Anthropic, or more. Instantly deploy your AI agent to any of your web builders such as WordPress, Webflow, Shopify, Squarespace, and more. Present next-generation artificial intelligence chatbot. Build and give your AI agent a name, define its bio, describe his duty, and provide knowledge of your choice. Build your ChatGPT with no code needed to build. Teach your AI agent in natural language with no code needed. Tune it to fit your needs in real time. We support multi-channel integration and deploy customized ChatGPT to Slack, WhatsApp, email, text, and more. Empower your business with AI agent customized ChatGPT. Users can like, subscribe, and chat with community agents created by other users, and of course, you can share yours. AgentX provides a multi-model mix-match building experience. You can choose LLM (large language model) from different vendors.

Starting Price: $19 per month

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LibreChat

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, and innovative enhancements, for as many users as you need. LibreChat is an AI chat platform that empowers you to harness the capabilities of cutting-edge language models from multiple providers in a unified interface. With its vast customization options, innovative enhancements, and seamless integration of AI services, LibreChat offers an unparalleled conversational experience. It brings together the latest advancements in AI technology. It serves as a centralized hub for all your AI conversations, providing a familiar, user-friendly interface enriched with advanced features and customization capabilities. LibreChat allows you to freely use, modify, and distribute the software without any restrictions or paid subscriptions.

Starting Price: Free

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Kotae

Automate customer inquiries with an AI chatbot powered by your content and controlled by you. Train and customize Kotae using your website scrapes, training files, and FAQs. Then, let Kotae automate customer inquiries with responses generated from your own data. Tailor Kotae's appearance to align with your brand by incorporating your logo, theme color, and welcome message. You can also override AI responses if needed by creating a set of FAQs for Kotae. We use the most advanced chatbot technology with OpenAI and retrieval-augmented generation. You can continually enhance Kotae's intelligence over time by leveraging chat history and adding more training data. Kotae is available 24/7 to ensure you always have a smart, evolving assistant at your service. Provide comprehensive support for your customers in over 80 languages. We offer specialized support for small businesses, with dedicated onboarding in Japanese and English.

Starting Price: $9 per month

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PandoraBot

We craft bots to your specific business needs, training them with your unique knowledge and seamlessly integrating them into your existing processes. Imagine an AI chatbot built specifically for your unique needs, tailored to your vision from the ground up. We partner with you to craft the perfect front-end interface, fit the bot with your valuable knowledge, and ensure its responses achieve an impressive accuracy rate of over 90%. All in an enterprise-grade production environment, hosted securely on our cloud or yours, giving you a bespoke bot solution that perfectly aligns with your business goals. The Pandora VisionBot has revolutionized stock monitoring for a merchandising company by automating inventory checks, which were previously a major cost. Previously, salespeople were dispatched to monitor and replenish merchandise. Now, delivery drivers can simply use their mobile phones to capture an image of the stock, enabling instant, accurate stock measurements.

Starting Price: $65.32 per month

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Aidbase

Help your users help themselves with an AI-powered chatbot, knowledge base, AI-assisted ticketing, and email support. A complete support ecosystem to help you spend less time supporting your users, and more time growing your business. Create an AI chatbot and make it an expert on your business. Create a custom ticket form to collect information from your users. Handle incoming support emails from one unified inbox. Create a knowledge base for both users and support to search for answers. Identify knowledge gaps, and improve and retrain your AI models. Our solution is built to be integrated with your existing tools. Connect your data sources and automate customer service. The AI chatbot will learn from your data and will deliver a human-like support experience, around the clock. Handle all tickets and emails from Aidbase's unified inbox. Our AI will learn, not only from your knowledge base but from all your previous tickets.

Starting Price: $29 per month

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Lunary

Lunary is an AI developer platform designed to help AI teams manage, improve, and protect Large Language Model (LLM) chatbots. It offers features such as conversation and feedback tracking, analytics on costs and performance, debugging tools, and a prompt directory for versioning and team collaboration. Lunary supports integration with various LLMs and frameworks, including OpenAI and LangChain, and provides SDKs for Python and JavaScript. Guardrails to deflect malicious prompts and sensitive data leaks. Deploy in your VPC with Kubernetes or Docker. Allow your team to judge responses from your LLMs. Understand what languages your users are speaking. Experiment with prompts and LLM models. Search and filter anything in milliseconds. Receive notifications when agents are not performing as expected. Lunary's core platform is 100% open-source. Self-host or in the cloud, get started in minutes.

Starting Price: $20 per month

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Diaflow

Diaflow is an enterprise platform for scaling AI across your organization by enabling everyone to deploy AI workflows that drive innovation. From manual processes to fully automated ones, create powerful apps and workflows from any data source across your teams. Effortlessly automate your business’s manual processes with solutions your team will love. Build powerful AI-driven internal apps that you are proud of with Diaflow's intuitive interfaces and components. An innovative way for document creation and edition with Diaflow AI-powered editing tool. Leveraging your expertise, to provide 24/7 support and engagement. Easily manage and transform your data with a built-in AI-enabled spreadsheet solution. Discover how easy it is to use Diaflow to build amazing products for your company. Diaflow provides all you need to create apps and workflows in minutes with no coding required.

Starting Price: $199 per month

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Chatbot Builder AI

ChatbotBuilder.ai is a leading AI chatbot platform that enables users to create, customize, and deploy intelligent chatbots across various channels, including websites, social media, emails, and phone calls. The platform offers a user-friendly interface, making it accessible for both beginners and professionals to build sophisticated chatbots without the need for coding skills. Key features include seamless integration with popular messaging platforms such as Facebook Messenger, WhatsApp, and Instagram, as well as support for multiple AI models, including OpenAI's GPT-4 and Google's Gemini, enhancing the chatbot's natural language understanding and response capabilities. Additionally, ChatbotBuilder.ai provides advanced analytics to monitor chatbot performance, customizable templates to match brand identity, and a mobile-first design ensuring accessibility across all devices. The platform also offers a free sandbox account for 14 days, allowing users to explore its features.

Starting Price: $199 one-time payment

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Weave

Chasm

Weave is a no-code AI workflow builder that enables users to automate tasks by implementing multiple Large Language Models (LLMs) and connecting prompts without the need for coding. With an intuitive interface, users can select templates, personalize them, and transform workflows into automated solutions. Weave supports various AI models, including those from OpenAI, Meta, Hugging Face, and Mistral AI, allowing for seamless integration and fine-tuning to achieve industry-specific results. Key features include intuitive dataflow management, app-ready APIs for easy integration, AI hosting, cost-effective AI models, effortless personalization, and user-friendly modules. Weave is ideal for applications such as generating character dialogue and backstories, developing intelligent chatbots, and automating written content.

Starting Price: $10

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LouiseBot

LouiseBot is an innovative platform that enables businesses to create AI-powered text and video chatbots without any coding expertise. Users can design chatbots that align with their brand identity, facilitating natural and engaging conversations with customers. It offers predefined templates for quick deployment across various industries, including financial services, retail, and social communities. A standout feature is the VideoBot, which integrates video content into chat interactions, providing a more immersive user experience. LouiseBot also supports knowledge integration by allowing users to upload documents, enabling chatbots to deliver informed responses. It seamlessly integrates with popular tools and services, such as Calendly, WhatsApp, Telegram, and Stripe, enhancing functionality and streamlining workflows. Additionally, LouiseBot offers a Human Clone feature, creating a digital counterpart that can manage requests and engage with contacts.

Starting Price: $13 per month

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Best Chatbot Software for OpenAI

Compare the Top Chatbot Software that integrates with OpenAI as of June 2025

What is Chatbot Software for OpenAI?

Stack AI

Krater.ai

ChatGPT

ChatGPT Plus

Botbyte AI

KnowItAll

ChatGPT Pro

SleekFlow

Splutter AI

Smax AI

Cognigy.AI

IngestAI

Libraria

ChatFlex

Whautomate

Warmly

JinaChat

Promptly

MagicIA

OnCompose

AgentX

LibreChat

Kotae

PandoraBot

Aidbase

Lunary

Diaflow

Chatbot Builder AI

Weave

LouiseBot

Best Chatbot Software for OpenAI

Compare the Top Chatbot Software that integrates with OpenAI as of June 2025

What is Chatbot Software for OpenAI?

Stack AI

Krater.ai

ChatGPT

ChatGPT Plus

Botbyte AI

KnowItAll

ChatGPT Pro

SleekFlow

Splutter AI

Smax AI

Cognigy.AI

IngestAI

Libraria

ChatFlex

Whautomate

Warmly

JinaChat

Promptly

MagicIA

OnCompose

AgentX

LibreChat

Kotae

PandoraBot

Aidbase

Lunary

Diaflow

Chatbot Builder AI

Weave

LouiseBot

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