Top 10 OpenAI Chatbot to use in 2025

In 2025, businesses are leveraging no-code OpenAI chatbot platforms to automate customer interactions, improve efficiency, and reduce costs. These tools allow users to create advanced chatbots without coding knowledge, using AI models like GPT-4, GPT-4o, and GPT-5. Here's a quick look at the top platforms:

• OpenAssistantGPT: A versatile no-code platform with robust security, GPT model integration, and flexible pricing.
• GPTOnline.ai: Offers fast, direct access to GPT models, focusing on simplicity and privacy.
• Chatbot.com: Features drag-and-drop tools for building chatbots across multiple channels.
• DhiWise AI Chatbot Builder: Provides free and premium plans, catering to businesses of all sizes.
• Femaleswitch AI Directory: A curated directory for finding vetted chatbot solutions.
• Capterra AI Chatbot Listings: A marketplace to compare chatbot options by features and reviews.
• Microweber AI Integration: Adds chatbot capabilities to its CMS for website and e-commerce users.
• OpenAI Responses API Chatbot: A powerful API for advanced chatbot development with token-based pricing.
• GitHub Open Source Chatbot Projects: Offers customizable, community-driven chatbot tools.
• Enterprise AI Chatbot Solutions: Tailored for large-scale operations with advanced security and scalability.

These platforms cater to diverse needs, from startups exploring AI to enterprises managing complex operations. Whether you need a simple tool or a sophisticated system, there's a solution for everyone. Let’s explore each platform in detail.

Top AI Chatbots in 2025: ChatGPT, Copilot, Claude, Gemini & More!

1. OpenAssistantGPT

OpenAssistantGPT has emerged as the top no-code platform for AI chatbots in 2025. Created by Marc-Olivier Bouchard, this platform uses OpenAI's Assistant API to offer advanced chatbot solutions. Its user-friendly design caters to businesses of all sizes, whether it's a startup experimenting with chatbot ideas or a large enterprise handling intricate customer service needs. Packed with features like seamless integration, ease of use, strong security measures, and flexible pricing, OpenAssistantGPT stands out in the crowded AI landscape. Let’s dive into what makes it unique.

Integration with OpenAI Models (GPT-4, GPT-3.5, GPT-4o, GPT-5)

A major highlight of OpenAssistantGPT is its smooth integration with top-tier AI models. By connecting effortlessly with the latest GPT models, the platform ensures your chatbots deliver highly advanced conversational experiences. These chatbots excel in understanding natural language and providing contextually accurate responses. OpenAssistantGPT also handles API connections automatically and optimizes the performance of the integrated models. Additionally, its AI Agent Actions feature takes functionality a step further by allowing chatbots to interact with external APIs. This means they can handle tasks like processing orders or fetching real-time data without breaking a sweat.

No-code and Low-code Development Capabilities

OpenAssistantGPT simplifies chatbot creation with its no-code tools, enabling users to build fully functional chatbots without needing programming skills. Its visual tools are perfect for tasks like extracting content, analyzing files, or collecting leads through user inquiries. For those who want more control, the platform also provides an open-source SDK. Developers can customize chatbots and deploy them seamlessly using tools like NextJS and Vercel.

Security Features

When it comes to security, OpenAssistantGPT doesn’t cut corners. It includes advanced features to ensure data protection and compliance. For instance, it supports SAML Authentication for Single Sign-On (SSO), allowing only authorized employees to access private chatbots. All data exchanged is encrypted, safeguarding sensitive information. Abuse prevention tools are also in place, tracking user activity to detect misuse. Measures like banning abusive IPs, limiting message frequency, and employing reCAPTCHA protect public chatbots from automated bot interactions.

Pricing and Scalability Options

OpenAssistantGPT offers flexible pricing plans to suit different needs:

• Free Plan: $0/month – Includes 1 chatbot, 1 crawler, 3 files, 1 action, and up to 500 messages per month.
• Basic Plan: $18/month – Expands to 9 chatbots with unlimited messages.
• Pro Plan: $54/month – Offers 27 chatbots, 5 custom domains, file attachments, and branding removal.
• Enterprise Plan: Custom pricing – Provides unlimited chatbots, crawlers, files, and actions, along with advanced security features and SLA guarantees.

Whether you're just starting out or managing a large-scale operation, OpenAssistantGPT’s pricing tiers ensure there's a fit for everyone.

2. GPTOnline.ai

GPTOnline.ai provides instant API access to advanced GPT models with a strong focus on speed and simplicity. Unlike platforms designed for building chatbots, GPTOnline.ai centers on offering direct access to OpenAI's most advanced models. Operated by an independent team, it connects users to OpenAI’s official API, ensuring a streamlined and efficient experience.

Integration with OpenAI Models (GPT-4, GPT-4o, GPT-5)

With GPTOnline.ai, users gain access to the latest GPT versions, including GPT-5, GPT-4.1 API, and GPT-4o, which supports image generation. By directly linking to OpenAI’s official API, the platform ensures users always work with the most current and powerful AI tools. Responses are delivered in under 10 seconds - just type in your prompt, and the system quickly provides an answer.

Additionally, the platform includes a Creative Toolkit featuring 50 free AI-powered writing tools. These tools assist with tasks like crafting emails, drafting blog posts, and scripting videos. While not designed for building custom chatbots, these tools showcase how AI can handle a variety of business and creative needs effectively.

Security Features

GPTOnline.ai places a strong emphasis on privacy and security. Conversations are never saved, stored, shared, or reused, creating what the platform describes as a secure space for interacting with AI.

"We respect your privacy. Your conversations are never saved. Interact with AI in a completely secure environment."

The platform’s security model is built on a data non-retention policy, meaning no conversation data is stored. This approach minimizes privacy risks often associated with traditional chatbot platforms. However, it’s worth noting that GPTOnline.ai does not include advanced enterprise security options like SAML/SSO authentication or private chatbot deployment, which might be necessary for larger organizations.

Pricing and Scalability Options

GPTOnline.ai is entirely free to use, supported by advertisements. This makes it an attractive option for individuals, students, and small businesses looking to explore advanced AI tools without any upfront costs. The ad-supported model ensures accessibility while keeping the platform free of subscription fees.

However, the reliance on ad revenue may not appeal to users or organizations that require uninterrupted, ad-free access to AI tools. Additionally, because the platform focuses on direct interaction with AI rather than deploying custom solutions, its scalability differs from traditional chatbot builders. It’s best suited for those seeking occasional AI assistance rather than comprehensive, multi-channel integration.

3. Chatbot.com

Chatbot.com stands out as a platform that simplifies the creation of AI chatbots with its no-code tools. Designed for businesses of all sizes, it makes building custom chatbots straightforward while meeting the demands of organizations requiring scalability.

No-code or Low-code Development Capabilities

With its drag-and-drop builder, Chatbot.com allows users to design chatbot flows with ease. The platform’s AI Assist Scanning feature automatically trains the chatbot using data from your website or business, while one-click templates for common scenarios - like product recommendations, discount promotions, and lead generation - make setup quick and hassle-free. Users can also create a custom AI model simply by providing a website URL, a knowledge base link, or even plain text.

"The UI is simple and straightforward to use. It helped my team setting up a chat system that works with AI." – Jelle D.

The platform also supports fine-tuning chatbot responses. Once ready, implementation is as simple as copying a code snippet or using its direct integrations with platforms like WordPress and Shopify.

Pricing and Scalability Options

Chatbot.com combines user-friendly design with flexible pricing options and scalability. It offers a 14-day free trial - no credit card required - allowing businesses to explore its features risk-free. The platform supports multichannel deployment, enabling a single chatbot to operate across websites, LiveChat, Messenger, and Slack. This makes it a great choice for handling high traffic and diverse customer interactions.

Rasmus Serup, CEO of Hairlust, highlights the platform’s adaptability:

"ChatBot is really great with customization and scalability. We use it on all of our 13 domains with +800k unique monthly visitors."

Additionally, Chatbot.com ensures round-the-clock automated customer service and offers seamless transitions to live agents when necessary. This combination of automation and human support ensures businesses can manage large volumes of inquiries without compromising on service quality.

4. DhiWise AI Chatbot Builder

DhiWise AI Chatbot Builder provides a range of pricing options and scalability features, making it a flexible choice for deploying OpenAI chatbots.

Pricing and Scalability Options

DhiWise offers a free forever plan for users who need basic chatbot-building tools. Additionally, there’s a free trial available that grants access to premium features, allowing users to evaluate advanced functionalities before committing.

For businesses looking to scale, DhiWise provides tailored pricing plans to meet specific needs. These include subscription-based options for regular users and custom enterprise pricing for high-demand applications. Whether you’re looking for a freemium model, standard subscription, or a quotation-based plan, DhiWise has solutions designed to adapt to various requirements.

5. Femaleswitch AI Directory

Femaleswitch AI Directory stands out as a resourceful hub for businesses seeking AI-powered chatbot tools. Instead of offering chatbot-building services, this platform acts as a well-organized directory, connecting businesses with vetted OpenAI-powered chatbot solutions. The goal? Simplify the search process and help organizations find tools that align with their unique needs.

A Centralized Resource for Chatbot Solutions

What makes Femaleswitch AI Directory different is its role as a one-stop marketplace. Here, businesses can explore, compare, and access a variety of chatbot solutions in one place. This eliminates the hassle of scouring multiple platforms individually, saving both time and effort.

Each listing in the directory provides detailed information, including pricing, features, integration options, and user reviews. This level of transparency allows businesses to make informed decisions, reducing the risk of choosing tools that don’t meet their expectations.

Focus on Quality and Trust

To ensure only reliable solutions make it to the directory, Femaleswitch AI Directory follows a strict vetting process. Every chatbot tool is evaluated on factors like performance, security, customer support, and user satisfaction. This careful selection process creates a trusted environment where businesses can confidently explore their options without worrying about subpar tools.

By prioritizing quality, the platform minimizes the risks associated with investing in ineffective or unreliable chatbot solutions.

Flexible Pricing for All Business Sizes

Femaleswitch AI Directory uses a freemium model, offering free access to basic directory features while reserving advanced search tools and detailed analytics for premium users. This pricing structure ensures accessibility for a wide range of businesses, whether they’re startups trying out chatbots for the first time or large enterprises looking for specialized tools.

6. Capterra AI Chatbot Listings

Capterra serves as a go-to marketplace for businesses seeking AI chatbot solutions. It offers detailed listings that make it easy to explore and compare chatbot options tailored to specific industries and business sizes. Each listing includes essential details like pricing, key features, screenshots, and user reviews, helping businesses make well-informed decisions.

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7. Microweber AI Integration

Microweber is exploring the addition of AI-powered chatbot features to its platform, which could mark an intriguing shift for this content management system (CMS). Known primarily for its website building and e-commerce tools, Microweber's move into AI integration could open up new possibilities for businesses already relying on their platform.

Currently, details about this AI integration are limited and still under review. As such, updates will be provided as more concrete and verified information becomes available. This reflects the dynamic nature of the AI chatbot market, where established platforms are constantly evolving to keep up with user demands.

For businesses already using Microweber's CMS, the introduction of native AI chatbot capabilities could simplify operations by reducing reliance on third-party tools. However, until the platform releases detailed information about its features and pricing, companies with immediate needs might want to explore other proven options from this list.

8. OpenAI Responses API Chatbot

The OpenAI Responses API marks a major step forward in chatbot technology, offering a unified interface for API interactions. It builds on earlier tools while introducing new features tailored for advanced AI applications.

Integration with OpenAI Models (GPT-4.1, GPT-4o, GPT-5)

The Responses API is your gateway to OpenAI's latest models: GPT-5, GPT-4.1, and GPT-4o. Designed with a stateful architecture, it can track conversations and maintain context, resulting in 40–80% better cache efficiency, reduced latency, and lower costs. Since its debut in March 2025, developers have processed trillions of tokens using this API. It supports text, image, and audio inputs and outputs, making interactions seamless. These features further enhance OpenAssistantGPT's capabilities, setting a new standard for chatbot performance.

No-Code and Low-Code Development Tools

The API includes built-in tools like native web search, file search, Code Interpreter, and image generation, simplifying the development process. Its "background mode" handles long-running reasoning tasks asynchronously, while natural-language reasoning summaries make debugging more intuitive.

Security Features

Security is a priority, with encrypted reasoning items ensuring Zero Data Retention (ZDR). This allows reuse of reasoning context without storing sensitive information.

Pricing and Scalability Options

The API uses a token-based pricing system. For basic tasks, GPT-5 nano is priced at $0.050 per million input tokens and $0.400 per million output tokens. For more advanced reasoning tasks, GPT-5 pro costs $15.00 per million input tokens and $120.00 per million output tokens.

Additional tool costs are straightforward: Code Interpreter sessions are $0.03 each, File Search storage costs $0.10 per GB per day, and $2.50 per 1,000 tool calls. Reasoning summaries, however, come at no extra charge.

Scalability options cater to various needs, from pay-as-you-go plans to Priority processing for faster performance. Enterprise customers can opt for Scale Tier plans, which offer predictable latency and dedicated model snapshots. This range of options allows businesses to tailor their spending to meet their performance and reliability requirements.

9. GitHub Open Source Chatbot Projects

In addition to ready-made solutions, GitHub's open-source projects provide an excellent opportunity for hands-on AI chatbot development. These projects make AI technology more accessible, allowing both developers and non-technical users to create chatbots using OpenAI's models. They also give users full control over data and offer extensive customization options.

Integration with OpenAI Models

One of the standout features of GitHub's open-source chatbot projects is their ability to integrate smoothly with OpenAI's models. For instance, FlowiseAI is a prime example, offering seamless integration with OpenAI's API endpoints. These projects are often easy to configure - usually requiring just an OpenAI API key to get started. This simplicity makes it possible to leverage OpenAI's capabilities without extensive technical setup.

No-Code and Low-Code Development Capabilities

The rise of no-code and low-code tools has significantly lowered the barriers to chatbot development. FlowiseAI leads the way with its visual editor and drag-and-drop interface, enabling users to create AI workflows without writing backend code. It also connects effortlessly to databases, CRMs, and APIs, making it a practical choice for business users who need robust chatbot functionality without deep technical knowledge.

Another noteworthy project is SamurAIGPT (Open-Custom-GPT), which provides a no-code solution for embedding custom GPT assistants directly into websites via OpenAI's Assistant API.

OpenChat takes a low-code approach with a simple two-step setup process. It allows users to customize chatbots by uploading PDF files or linking websites as data sources. Future updates aim to integrate with widely used platforms like Notion and Office 365 and include a user interface designer for embedding chatbots.

10. Enterprise AI Chatbot Solutions

Enterprise AI chatbot solutions are designed to meet the demands of large-scale operations, offering the infrastructure and security needed for critical business functions. These solutions address complex challenges while prioritizing data protection and scalability. Let’s take a closer look at the features that make these platforms stand out.

Integration with OpenAI Models

Enterprise platforms leverage cutting-edge OpenAI models such as GPT-4, GPT-3.5, GPT-4o, and GPT-5 to create highly advanced conversational systems. By connecting directly with OpenAI's Assistant API, these chatbots can tackle intricate queries, provide detailed support, and demonstrate advanced reasoning capabilities. They also include features like AI Agent Actions, which allow chatbots to interact with external systems and databases in real time, making them highly efficient problem-solvers.

No-Code Development Capabilities

With visual workflow builders and customizable templates, enterprise platforms make chatbot development more accessible. These tools allow businesses to design and deploy chatbots quickly, without requiring extensive programming knowledge.

Security Features

Security is a top priority for enterprise solutions. Features like SAML/SSO authentication and private deployments ensure that sensitive data is only accessible to authorized users, offering peace of mind for businesses handling confidential information.

Pricing and Scalability Options

Enterprise platforms offer flexible pricing structures that adapt to the number of chatbots, message volume, and specific feature needs. Businesses benefit from unlimited scalability, dedicated support, service-level agreements (SLAs), and priority access to new features. These tailored options make it easier for organizations to scale their operations as they grow.

Platform Comparison Table

Here's a quick snapshot of what makes OpenAssistantGPT a standout no-code chatbot platform in 2025, based on its features, pricing, and security:

Platform	Starting Price	OpenAI Models	Key Features	Scalability	Security Features
OpenAssistantGPT	$0 (Free Plan - 500 messages/month)	GPT-4, GPT-3.5, GPT-4o, GPT-5	No-code builder, web crawling, file analysis, AI Agent Actions, lead collection	Unlimited chatbots (Enterprise)	SAML/SSO authentication, private deployments

OpenAssistantGPT is designed to make advanced AI tools accessible for businesses of any size. Its free plan, which includes up to 500 messages per month, allows users to explore its capabilities without upfront costs. The platform supports cutting-edge AI models like GPT-4 and GPT-5 and offers features such as web crawling, file analysis, and AI Agent Actions - all without requiring a single line of code.

Security is a top priority for OpenAssistantGPT. Features like SAML/SSO authentication and private deployments ensure data protection, making it a reliable choice for businesses handling sensitive information. Whether you're just starting with the free plan or scaling to enterprise-level usage with unlimited chatbots, the platform provides a secure and adaptable environment.

With its no-code interface and open-source SDKs, OpenAssistantGPT simplifies chatbot development and integration. You can quickly build and customize chatbots to match your specific needs, saving time and resources while leveraging the latest in AI technology.

This table and overview highlight the platform's strengths, showcasing why OpenAssistantGPT is a trusted solution for creating AI chatbots.

Conclusion

Choosing the right OpenAI chatbot platform in 2025 can elevate engagement and simplify operations. With a variety of solutions available, there’s something for every need and skill level. Among these, one platform stands out for its performance and security.

Let’s talk about OpenAssistantGPT: the leading no-code platform for US businesses. Its free plan allows small businesses to explore AI chatbot features while benefiting from the latest AI advancements. This ensures users stay ahead with cutting-edge tools.

The platform also prioritizes enterprise-level security, offering features like SAML/SSO authentication and private deployments that align with strict US data protection regulations. Thanks to its no-code design, OpenAssistantGPT makes chatbot creation accessible to everyone - from marketing teams to small business owners - no programming required. Advanced tools, such as web crawling and file analysis, bring capabilities that were once reserved for custom-built solutions.

For businesses looking to scale, the Enterprise plan provides unlimited chatbots, offering the flexibility needed for growth. With its free plan, scalable premium options, and an open-source SDK for custom integrations, OpenAssistantGPT caters to startups and large enterprises alike.

Whether you need a simple customer service bot or a sophisticated solution for automating enterprise tasks, OpenAssistantGPT delivers a powerful platform to enhance customer interactions and manage repetitive processes. Aligning your business needs - whether it’s budget, functionality, or future scalability - with the platform’s strengths can help you make the most of its potential in 2025. OpenAssistantGPT’s combination of cost-effectiveness, advanced features, and strong security cements its place as a leader in the no-code AI space.

FAQs

What makes OpenAssistantGPT the top choice for creating AI chatbots in 2025?

OpenAssistantGPT has emerged as a top choice for creating AI chatbots in 2025, thanks to its user-friendly, no-code platform. This approach makes it accessible to anyone, even those without a technical background. By seamlessly integrating with advanced models like GPT-4, it ensures access to state-of-the-art AI capabilities.

What sets OpenAssistantGPT apart is its focus on adaptability and personalization. Users can effortlessly embed chatbots into websites, configure private authentication settings, and upload data in formats like CSV or XML for analysis. Moreover, the platform is both open-source and budget-friendly, combining transparency with affordability to meet a wide range of needs.

How does OpenAssistantGPT protect my data and ensure privacy when using its chatbots?

OpenAssistantGPT takes data security and privacy seriously, employing strong measures to protect your information. Users retain complete control over their data, and the platform is routinely tested through security assessments to spot and fix any vulnerabilities.

On top of that, OpenAssistantGPT adheres to important privacy laws like GDPR and CCPA, ensuring your data is managed responsibly. For added security, features such as SAML/SSO authentication are available for private chatbot setups, providing an additional safeguard for your interactions.

What pricing plans are available for OpenAssistantGPT, and how do they support businesses of various sizes?

OpenAssistantGPT provides a range of pricing plans to accommodate businesses of all sizes, whether you're a startup or a large enterprise. These plans are crafted to offer a balance of features, scalability, and affordability.

To get the most current and precise pricing information, it's best to visit OpenAssistantGPT's official website or reach out to their sales team directly. This way, you can ensure you're selecting the plan that aligns perfectly with your business needs.