Guide to the best Chatbots for your website

Chatbots on your website in 2025: how they work and what the best options are

Wondering if it's worth adding a chatbot to your website? In this article, you'll find out. what are they, how they work and what they are for, in addition to analyzing the three best tools of the moment, including a free option that's ideal for getting started.

Why add a chatbot to your website?

A web chatbot is a small conversational assistant that appears as a floating widget on your page. It automatically answers frequently asked questions, directs visitors, captures leads, or speeds up processes like booking, ordering, or acquiring subscribers. It works thanks to algorithms. AI and Natural Language Processing, which interpret visitor queries, recognize intentions, and respond automatically. If something is beyond their capabilities, they can forward the conversation to a human agent.

This tool is useful for offering 24/7 support, automating repetitive tasks, improving user experience, and encouraging conversions without the need for constant human intervention.

How to choose the ideal chatbot for your website?

If you have fewer than 1,000 monthly visits, need a quick support assistant (FAQs, appointments, contact), or are looking for a free solution, there are very effective options. If, on the other hand, you handle complicated inquiries, need CRM integration, or escalation to human support, you'll want to choose more robust platforms. You should also consider whether you need multichannel support (email, Instagram, etc.) or just basic automation.

Below are the three tools that will perform best in 2025:

Big Sur AI: The most powerful free chatbot

Big Sur AI It's a perfect option for small websites looking for an intelligent chatbot with no upfront costs. Its free version allows for up to 1,000 visits per month, indexing of up to 100 URLs, unlimited conversations, and basic team collaboration. It's ideal for new websites or FAQ databases.

It stands out for its ability to automatically index All site content, train the custom model, and offer accurate answers extracted directly from your texts. While it has fewer integrations with CRMs or e-commerce platforms, its focus on personalized sales and smart recommendations makes it a solid choice for small businesses.
It usually stands out for offering greater volume without blocking essential functions compared to other platforms. Tom's Guide+6Crisp+6Reddit+6

Crisp Chat: Chatbot with Live Chat and Free Plan

Crisp Chat It combines an automated chatbot with live chat and a unified inbox, integrating multiple channels such as email, Messenger, and Instagram. Its free plan allows for a workspace with two agents and unlimited messages. Ideal if you need a hybrid approach to customer service: basic automation and the possibility of human intervention.

It features a very intuitive visual editor for creating conversation flows without coding. Although its AI doesn't self-train from past conversations, it allows for simple manual configurations and automation. It's considered a robust platform for small businesses looking for simple and affordable multi-channel support. Crisp+1Big Sur AICapterra

ProProfs Chat: Automated Training and Scalable Support

ProProfs Chat It stands out for offering an AI chatbot with automated training based on URLs or FAQs, managing internal tickets and escalating to human agents when necessary. Its "forever free" plan allows for a free operator, basic lead automation, and FAQs without the need for code.

It's an ideal solution for companies looking to automate customer service, but with the option of frictionless human escalation. Its user-friendly interface is suitable for users without technical experience. proprofschat.com

Tool comparison

Real advantages of implementing a chatbot

• 24/7 Attention, without the need for human equipment.

• Automatic lead filtering and qualification.

• Reduction in response time and increase in user satisfaction.

• Ability to obtain real data on what questions users ask.

• Scalable without significant costs.

By implementing these tools, you can optimize conversions, capture more leads, and save on support.

Which one should you choose?

• If you are just starting out or have few resourcesBig Sur AI is the most powerful and free option. Useful for a free first step.

• If you need multi-channel support and combine automation with human interventionCrisp Chat offers you great flexibility even in the free version.

• If you're looking for more advanced AI capabilities and scaling without losing contextProProfs Chat is a comprehensive option, especially for small teams with high volume of inquiries.

In summary

Chatbots are an essential tool in today's digital strategy. The three platforms highlighted in 2025—Big Sur AI, Crisp Chat, and ProProfs Chat—provide solutions ranging from free to robust, tailored to different needs and workflows.
If you're looking to boost your website with smart customer service, improve lead capture, or provide responsive support to your visitors, any of these tools can help.
If you're interested in me preparing a specific article for a specific industry (healthcare, education, tourism, etc.) or a real-life client implementation case, I'd be happy to help.

Sources consulted

• Top AI eCommerce chatbots and Big Sur AI analysis (Big Sur AI Blog, July 2025):https://bigsur.ai/blog/free-ai-chatbots & https://bigsur.ai/blog/ai-chatbots-for-ecommerce

• Comparison of tools HubSpot, Tidio, etc. (TechRadar, Zapier, ProProfs Chat):https://www.proprofschat.com/blog/free-ai-chatbots & https://zapier.com/blog/best-ai-chatbot/

• Crisp Chat Review and Free Plans (bigsur.ai and Lowcode.agency, Tech sites July 2025):https://bigsur.ai/blog/crisp-chat-reviews & https://crisp.chat/en/pricing/