Back to blog
Published
August 25, 2025

Best Tools For NLP Chatbot Development

Table of Contents

Looking to build an NLP chatbot? Here’s the deal: Picking the right platform is the most important step. The wrong choice can waste time and money, while the right one can boost efficiency and improve customer interactions.

This guide breaks down the top tools for NLP chatbot development, focusing on features, pricing, and ease of use. Whether you’re a small business, a developer, or an enterprise, there’s a tool for you. Key highlights include:

  • 2V Automation AI: Custom solutions with low-code options; starts at $3,890/month.
  • Dialogflow: Google-powered, great for simple setups; free tier available.
  • Microsoft Bot Framework: Enterprise-level features with Azure integration; pay-per-use.
  • Rasa: Open-source flexibility for developers; free with optional paid features.
  • DeepPavlov: Research-grade open-source library; free but requires technical expertise.
  • Chatbase: Easy-to-use, document-based training; tiered pricing.
  • Golem: Open-source with scalable pricing; starts at $99/month.

Each platform offers unique strengths, from ease of deployment to advanced customization. Below is a quick comparison to help you decide.

Quick Comparison

Tool Starting Price Best For Technical Requirements
2V Automation AI $3,890/month Tailored solutions, professional help Minimal technical expertise
Dialogflow Free tier available Small to medium projects Basic programming skills
Microsoft Bot Framework Pay-per-use Large enterprises, Azure users Advanced development skills
Rasa Free (open-source) Privacy, full control Strong Python skills
DeepPavlov Free (open-source) Advanced NLP tasks, research projects Deep learning expertise
Chatbase Tiered pricing Quick setup, content-heavy businesses Basic web development knowledge
Golem $99/month Startups to enterprises Moderate development experience

No matter the choice, success depends on matching the tool to your business needs, technical skills, and budget. Let’s dive into the details to help you make the best decision.

End-to-End NLP Project | Build a Chatbot in Dialogflow | NLP Tutorial | S3 E2

Dialogflow

1. 2V Automation AI

2V Automation AI

2V Automation AI is transforming the way businesses approach NLP chatbot development by creating conversational AI systems that seamlessly integrate with existing workflows. Founded by Valerian Valkin, who brings over a decade of software development expertise, the company focuses on delivering tailored AI-driven automation solutions that boost operational efficiency. Let’s dive into what makes 2V Automation AI stand out in the world of NLP chatbot development.

NLP Capabilities and Customization

By utilizing advanced language models like ChatGPT and Claude, 2V Automation AI designs NLP chatbots that are specifically customized for individual business needs. Their approach emphasizes accessibility through low-code and no-code development, making updates straightforward. Additionally, with industry-specific integrations, their solutions are designed to meet the precise requirements of various sectors.

Integration with Third-Party Tools and Platforms

One of the company’s strengths lies in its ability to integrate NLP chatbots with widely-used automation tools such as n8n, Make, and Airtable. These integrations ensure that the chatbots work effortlessly with your current systems, helping to create smoother and more efficient workflows.

Ease of Deployment and Scalability

2V Automation AI follows a structured four-step implementation process to ensure a hassle-free deployment:

  • Discovery: Identifying specific business needs and technical requirements.
  • Roadmap Creation: Establishing clear development milestones.
  • Implementation: Building and deploying the chatbot.
  • Post-Launch Support: Optional ongoing optimization based on evolving business needs.

This methodical approach, combined with their focus on low-code solutions, ensures that the chatbots are not only easy to deploy but also built to scale as your business grows.

Cost-Effectiveness

The company offers two pricing options to suit different business needs:

  • Unlimited Plan: Priced at $3,890 per month, this plan allows access to AI automation services and workflows, with one request handled at a time.
  • Enterprise Plan: Custom pricing is available for businesses requiring faster turnaround times or more complex, tailored services.

This straightforward pricing structure provides businesses with predictable costs as they expand their automation capabilities.

2. Dialogflow

Dialogflow simplifies the process of building chatbots by offering ready-to-use connections with popular communication platforms.

Integration with Third-Party Tools and Platforms

Dialogflow CX connects with platforms like Phone Gateway, Messenger (Dialogflow CX Messenger and Messenger from Meta), Workplace from Meta, LINE, Slack, and Google Chat. Similarly, Dialogflow ES integrates with Messenger, Phone Gateway, Facebook Messenger, Google Assistant, Google Chat, LINE, Slack, and Telegram. Both versions also support voice interactions through telephony providers such as AudioCodes, Avaya, Twilio, Voximplant, and SignalWire. These integrations allow chatbots to operate smoothly across various channels, whether through text or voice.

In addition to these built-in connections, Dialogflow enables dynamic interactions using webhook fulfillment. This feature lets chatbots access external APIs, making it possible to fetch live data or perform real-time actions.

3. Microsoft Bot Framework with Azure AI

Microsoft Bot Framework

The Microsoft Bot Framework, combined with Azure AI, provides a powerful platform for building advanced chatbots capable of handling complex, multi-channel conversations. Designed with enterprise needs in mind, this solution integrates Microsoft's cloud infrastructure with cutting-edge AI services. For businesses already using Microsoft products, this platform offers a natural extension with its strong foundation in natural language processing (NLP) and customization.

NLP Capabilities and Customization

By leveraging Azure Cognitive Services, the platform delivers impressive NLP features. Tools like Azure Language Understanding (LUIS) enable chatbots to recognize user intent and extract key details from conversations, while QnA Maker transforms static FAQ documents and knowledge bases into dynamic, interactive conversations. Additionally, the integration with Azure OpenAI Service allows chatbots to generate context-aware, human-like responses.

Developers have significant flexibility thanks to the Bot Framework SDK, which supports multiple programming languages, including C#, JavaScript, Python, and Java. This adaptability makes it possible to create custom middleware, design tailored conversation flows, and incorporate specific business rules to address unique organizational needs.

Integration with Third-Party Tools and Platforms

The Microsoft Bot Framework stands out for its ability to integrate across platforms and tools. It supports deployment on more than 15 channels, including Microsoft Teams, Skype, Slack, Facebook Messenger, Telegram, and web chat, allowing businesses to connect with customers wherever they are. Additionally, chatbots can interact with Microsoft 365 applications like SharePoint and Outlook, enabling tasks such as scheduling meetings or retrieving documents.

For external services, tools like Azure Logic Apps and Power Automate make integration straightforward, even for those without extensive coding experience.

Ease of Deployment and Scalability

Azure's cloud infrastructure ensures chatbots can scale automatically based on demand, whether for small-scale pilots or large enterprise rollouts. Deployment options are versatile, including Azure App Service for web-based bots, Azure Functions for serverless applications, and Azure Container Instances for containerized solutions.

The Bot Framework Composer simplifies the development process with a visual design interface, making it easier for non-technical team members to contribute to bot creation and testing. Built-in analytics through Application Insights provide actionable insights into performance and user engagement, helping businesses refine their chatbot strategies.

Cost-Effectiveness for U.S. Businesses

The platform's pay-as-you-go pricing model ties costs directly to Azure service usage, making it a financially flexible choice. Companies already using Microsoft 365 or Azure may also enjoy volume discounts and smoother onboarding, thanks to the platform's seamless integration with familiar Microsoft tools. This alignment can help reduce training time and improve overall efficiency.

4. Rasa

Rasa

Rasa is an open-core conversational AI framework that puts developers in control of chatbot capabilities with its flexible, vendor-neutral architecture. Unlike platforms that tie you to specific models or providers, Rasa offers a customizable approach that’s especially appealing to enterprise developers. The latest version, Rasa Pro, incorporates generative AI features while preserving the flexibility that has made it a favorite. At its core, Rasa prioritizes strong natural language processing (NLP) performance while giving developers the freedom to adapt it to their unique needs.

NLP Capabilities and Customization

Rasa combines two key components to handle conversational AI tasks: Rasa NLU and Rasa Core. Rasa NLU focuses on extracting user intents and identifying important entities like dates, names, and locations from conversations. Meanwhile, Rasa Core manages dialogue flow using advanced machine learning techniques, such as LSTM neural networks and reinforcement learning algorithms.

With tools like Rasa Studio and CALM, the platform enhances generative AI functionality, allowing it to handle interruptions, corrections, and digressions without requiring extensive manual coding. Developers can also extend functionality with custom Python actions, making it adaptable to a wide range of use cases. Additionally, Rasa supports multilingual development, enabling businesses to build chatbots that cater to global audiences by training models in multiple languages.

Integration with Third-Party Tools and Platforms

Rasa simplifies multi-channel deployment with built-in connectors for popular messaging platforms like WhatsApp, Slack, and Facebook Messenger. For businesses with unique requirements, custom connectors can be created to meet specific needs.

The platform is particularly strong in enterprise integration. It connects seamlessly with CRMs, ERPs, and knowledge management systems, enabling real-time data exchange. This allows chatbots to access live customer information, update records, and even trigger workflows automatically. Thanks to its API-first design and comprehensive SDK, Rasa can integrate with virtually any system offering programmatic access.

Rasa also supports both structured and unstructured databases, making it capable of handling complex workflows. This flexibility allows businesses to implement company-specific processes, manage approval systems, and ensure compliance with internal policies - all through their chatbots.

Ease of Deployment and Scalability

Rasa supports a variety of deployment options, including cloud, on-premises, and containerized environments. Its modular architecture enables horizontal scaling and load balancing, ensuring it can handle increasing conversation volumes as demand grows. This is especially valuable for organizations with strict data governance requirements or those operating in regulated industries.

The platform also supports voice interactions, allowing businesses to deploy the same AI assistant across both text and voice channels without rebuilding the core functionality.

Cost-Effectiveness for U.S. Businesses

Rasa’s open-core model offers substantial cost savings for companies with development resources. The open-source version provides essential features at no licensing cost, while Rasa Pro adds enterprise-level capabilities for organizations needing advanced tools and support. This structure is particularly advantageous for businesses with in-house teams, as they can customize the platform without incurring the per-conversation fees typical of hosted solutions. Deploying Rasa on existing infrastructure further reduces operational expenses.

For U.S. businesses concerned about data privacy and avoiding vendor lock-in, Rasa’s self-hosted deployment options and flexibility with language models offer long-term strategic benefits. While the initial development investment may be higher, these advantages often outweigh the costs in the long run, providing a scalable and adaptable solution for enterprise needs.

5. DeepPavlov

DeepPavlov

DeepPavlov is an open-source conversational AI library designed for building chatbots and virtual assistants. Developed in Python, it features a modular structure that allows developers to combine pre-trained models with custom solutions. With its balance of research-driven algorithms and practical deployment tools, DeepPavlov caters to both academic and commercial needs, making it a versatile choice for various applications.

NLP Capabilities and Customization

DeepPavlov provides a wide range of pre-trained models for key NLP tasks, including named entity recognition, sentiment analysis, question answering, and intent classification. It also supports multi-turn dialogues and context-aware responses, making it effective for more complex conversational scenarios.

Thanks to its modular design, developers can easily mix and match components. For instance, a BERT-based intent classifier can be combined with a custom entity extractor and a rule-based dialogue manager within the same system. This flexibility extends to model customization, enabling fine-tuning on domain-specific data or creating entirely new architectures using the framework's components.

DeepPavlov stands out with its strong multilingual support, offering models trained in languages like English, Russian, German, and Chinese. It also includes tools for cross-lingual transfer learning, allowing developers to adapt models trained in one language for use in another.

Integration with Third-Party Tools and Platforms

DeepPavlov simplifies integration with existing workflows by offering REST API endpoints, enabling models to function as microservices that multiple applications can access.

The framework is compatible with major machine learning ecosystems like TensorFlow, PyTorch, and scikit-learn. This allows developers to incorporate models from other libraries or export DeepPavlov models for use in different environments.

Ease of Deployment and Scalability

Deployment is straightforward with DeepPavlov, thanks to its command-line interface and configuration files that handle tasks like model loading, API setup, and request processing. It supports both CPU and GPU environments, automatically optimizing performance based on available hardware.

For applications with high traffic, DeepPavlov can scale across multiple instances with load balancing to maintain consistent response times.

To simplify deployment further, Docker containers are available for most pre-trained models. These containers make it easy to set up environments and deploy on cloud platforms like AWS, Google Cloud, or Azure. Additionally, the framework works seamlessly with containerization tools like Docker and Kubernetes, streamlining the process of scaling and maintaining applications across development, testing, and production stages.

Cost-Effectiveness for U.S. Businesses

As an open-source platform, DeepPavlov eliminates licensing fees, cutting down on upfront costs. Its library of pre-trained models also reduces development time, helping businesses save resources.

For organizations concerned about data privacy, DeepPavlov supports on-premises deployment, ensuring sensitive data stays within company infrastructure. This feature is especially valuable for industries like healthcare and finance, where data security is a top priority.

The framework’s efficient use of resources can also result in lower operational costs, especially compared to cloud-based solutions that charge per API call or conversation. This makes DeepPavlov a smart choice for businesses looking to balance performance and cost.

sbb-itb-8789655

6. Copilot.Live

Copilot.Live

Copilot.Live is a platform with relatively little public information available compared to its more established counterparts. While specifics about its NLP features, customization options, integrations, deployment methods, and pricing remain scarce, it’s still a platform to keep an eye on. For the most accurate and updated details, it’s best to consult the official documentation directly.

7. Chatbase

Chatbase

Chatbase simplifies the process of creating AI chatbots, making it accessible for businesses of all sizes - even those without a technical background.

NLP Capabilities and Customization

Chatbase offers robust natural language processing (NLP) that ensures accurate understanding of user queries and appropriate responses. It supports multiple languages and handles complex conversational flows, making it versatile for various business needs. You can train your chatbot using data from documents, websites, and text files, enabling more context-aware interactions.

One standout feature is how easy it is to customize. Even if you're not a tech expert, you can tweak the chatbot's personality, tone, and response style through an intuitive interface. You can also tailor responses to match your brand’s voice and align with your customer service standards.

Integration with Third-Party Tools and Platforms

Chatbase integrates seamlessly through HTML embeds and APIs, allowing it to work with popular CRM systems, customer service platforms, and messaging tools. This flexibility means you can slot Chatbase into your existing workflows without causing disruptions or requiring significant adjustments.

Ease of Deployment and Scalability

With its drag-and-drop interface, you can deploy a chatbot in just a few hours. Plus, the platform automatically scales to handle increasing conversation volumes, so you don’t need to worry about managing technical infrastructure. This hands-off approach lets businesses focus on their core operations while saving time and resources.

Cost-Effectiveness for U.S. Businesses

Chatbase offers tiered pricing that adjusts based on usage, making it a budget-friendly option for small and medium-sized businesses in the U.S. It’s a practical alternative to hiring more customer service staff or investing in larger, more complicated solutions. With transparent pricing and no hidden fees, businesses can easily plan and manage their monthly expenses.

8. Golem

Golem

Golem offers an open-source chatbot framework that emphasizes scalability and straightforward pricing, making it a strong contender after Chatbase.

This NLP chatbot framework combines advanced language processing capabilities with scalable performance. Since it’s open-source, you won’t face licensing fees, but you’ll still need to account for development, hosting, and maintenance expenses.

Pricing starts at $99 per month for basic features. The cost increases with the number of users: $99 for one user, $10,000 for ten users, and $100,000 for one hundred users. This flexibility makes Golem suitable for both small startups and large enterprises. According to ITQlick, its pricing received a 4/10 rating, reflecting a moderate cost for enterprise-level solutions.

Tool Comparison Chart

Here's a quick breakdown of key features, pricing, and requirements to help you choose the right NLP chatbot tool for your needs:

Tool Starting Price Key Strengths Best For Technical Requirements
2V Automation AI $3,890/month Custom AI workflows, expert guidance, post-launch support Businesses needing tailored solutions with professional help Low-code/no-code, minimal technical expertise needed
Dialogflow Free tier available Google's NLP capabilities, seamless Google service integration Small to medium projects, Google ecosystem users Basic to intermediate programming skills
Microsoft Bot Framework Pay-per-use pricing Enterprise-grade security, Azure integration, multi-channel support Large enterprises, Microsoft-focused environments Advanced development skills, Azure familiarity
Rasa Free (open-source) Full control, on-premise deployment, extensive customization Developers seeking privacy and control Strong Python programming skills required
DeepPavlov Free (open-source) Research-grade NLP models, cutting-edge algorithms Research projects, advanced NLP tasks Expertise in deep learning and significant technical knowledge
Copilot.Live Subscription-based Easy-to-use interface, fast deployment, pre-built templates Non-technical users, quick prototyping Minimal technical skills required
Chatbase Tiered pricing Document-based training, simple setup, web integration Content-heavy businesses, knowledge-based chatbots Basic web development knowledge
Golem $99/month (1 user) Open-source flexibility, scalable pricing, enterprise-ready Startups to enterprises, cost-conscious users Moderate development experience

The table highlights the main differences, but here’s a closer look at pricing, development complexity, and support to guide your decision.

Pricing and Scalability

Open-source platforms like Rasa and DeepPavlov are free to use but come with hidden costs in the form of in-house development and maintenance. On the other hand, Golem offers flexible pricing, starting at $99/month for single users and scaling up to $100,000 for large deployments, making it adaptable for businesses of all sizes.

Development Complexity

The technical demands of each platform vary significantly. 2V Automation AI simplifies the process by offering expert implementation and support, making it ideal for businesses without technical teams. In contrast, tools like Microsoft Bot Framework and Rasa require advanced programming knowledge and familiarity with platforms like Azure or Python. For those seeking faster results, Copilot.Live and Chatbase shine with their user-friendly interfaces and quick deployment options.

Integration and Ecosystem Compatibility

If you're already using Google services, Dialogflow integrates seamlessly into the Google ecosystem. Similarly, Microsoft Bot Framework is a natural fit for Azure-based environments. Meanwhile, 2V Automation AI stands out for its ability to create custom workflows tailored to specific business needs.

Security, Scalability, and Support

For enterprise-grade security and scalability, Microsoft Bot Framework and 2V Automation AI are strong contenders. Open-source tools like Rasa and DeepPavlov, while offering full control, require internal expertise to manage these aspects. Support varies as well - 2V Automation AI provides ongoing retainer-based support, while open-source platforms rely on community forums or internal teams. Commercial tools like Copilot.Live and Chatbase offer varying levels of professional support, from basic documentation to dedicated account management.

Deployment Speed

Time-to-market is another key factor. Platforms like Copilot.Live and Chatbase allow for rapid deployment with minimal setup, making them perfect for quick prototyping or smaller projects. On the other hand, open-source frameworks like Rasa and DeepPavlov often require months of development before they’re production-ready. 2V Automation AI balances this by following a structured four-step implementation process to ensure the best outcomes.

Choosing the right NLP chatbot tool depends on aligning its features and requirements with your business needs. Whether you prioritize ease of use, customization, or enterprise-level capabilities, there’s a solution that fits your goals.

Conclusion

When choosing an NLP chatbot tool, it's essential to align your choice with your business needs. If your team has strong programming skills, open-source frameworks might be appealing due to their flexibility and control. On the other hand, businesses already tied to specific ecosystems may find it easier to stick with platforms that integrate seamlessly into their existing tools.

But selecting the right tool is just the starting point. Successful chatbot implementation requires a deep understanding of your workflows, integration with current systems, and a plan for ongoing maintenance. Many platforms simplify the surface but often conceal technical challenges and hidden costs.

This is where 2V Automation AI steps in, offering a structured, four-step implementation process that removes the guesswork. For $3,890 per month, they handle everything from integration to optimization, delivering tailored solutions without requiring in-house AI expertise. Their approach ensures businesses can deploy chatbots effectively without getting bogged down in technical hurdles.

One of the biggest advantages of working with experienced consultants is avoiding common do-it-yourself mistakes. While some platforms promise quick and easy deployment, they often fall short when it comes to the deep customization needed for complex business processes. Open-source solutions, while flexible, demand ongoing technical expertise and maintenance - resources many organizations lack.

Speed matters when it comes to implementation. A well-integrated chatbot can start cutting down on manual tasks and improving customer interactions in just a few weeks. However, the difference between success and failure often hinges on having the right expertise during deployment. This is where consultant-led approaches, like those offered by 2V Automation AI, shine by ensuring seamless integration and reducing trial-and-error efforts.

For businesses seeking reliable NLP chatbot solutions, partnering with experts like 2V Automation AI can fast-track deployment while minimizing complexity. With their extensive experience in software development and emphasis on low-code/no-code solutions, they deliver enterprise-grade automation - without the overwhelming technical demands.

FAQs

What should I look for in an NLP chatbot development tool for my business?

When choosing an NLP chatbot development tool, it's important to prioritize how well it integrates with your current systems and its ability to accurately interpret natural language. If your business is expanding, scalability becomes crucial, and having support for multiple languages can provide a significant edge.

You should also evaluate how user-friendly the tool is, whether it includes advanced features like sentiment analysis, and how effectively it aligns with your business goals and technical needs. Selecting a tool that fits your requirements can save time and improve efficiency over time.

How can NLP chatbots be integrated with existing business systems?

Integrating NLP chatbots with your business systems means linking them with tools like CRMs, ERPs, or other enterprise platforms. This connection enables the chatbot to handle tasks such as retrieving customer details, updating records, and automating workflows by accessing real-time data.

To make this happen, you'll need to assess your business requirements, choose the appropriate APIs or connectors, and implement the integration using either custom development or middleware solutions. When done right, this integration ensures smooth communication between the chatbot and your systems, streamlining processes and cutting down on manual effort.

What are the costs and potential hidden expenses of implementing an NLP chatbot?

The price tag for setting up an NLP chatbot in the U.S. can vary widely, starting at around $3,000 and climbing to over $85,000, depending on the features and complexity. For larger, enterprise-level solutions, the cost can surpass $500,000. These estimates generally include development and the initial rollout.

That said, there are additional costs that often go unnoticed. These can include ongoing training and fine-tuning, data cleaning, software licensing fees, feature updates, and expenses related to meeting compliance standards like GDPR. Over time, these hidden costs can add up significantly, so it's crucial to account for them when budgeting.

Related posts