The best AI chatbot for most business websites in 2026 is the one built into the help desk or CRM you already use, because the bot is only as good as the knowledge and handoff behind it. If you run on HubSpot, its Customer Agent is the natural pick. If you need a standalone bot trained on your own pages and documents at a low monthly price, Chatbase is the easiest place to start. Intercom Fin is the strongest documented option for support-heavy teams, but its per-resolution pricing gets expensive at volume.

Pricing is where these tools differ most. Some charge per resolved conversation, some per AI conversation, and some sell message credits, so the cheapest sticker price is often not the cheapest bill. Below we compare seven options, price them at small-business volumes, and flag where the meters bite.

This roundup is based on published pricing, vendor documentation, and patterns in verified user reviews. We did not deploy these bots on a live site, so verify current pricing before you sign up.

How We Compared These Chatbots

We compared each chatbot on the same five points: how it learns your content, how it hands a conversation to a human, how it is priced and what that means at a few hundred AI conversations per month, which channels it covers beyond the website widget, and what reviewers repeatedly praise or criticize. Pricing comes from vendor pages and recent third-party trackers, and where sources disagree we say so. We did not measure resolution rates ourselves, and we treat vendor-published resolution figures with caution because independent reviewers often report lower numbers.

Seven chatbots side by side on price and fit

ChatbotPricing modelReported starting costBest for
HubSpot Customer AgentCredits per resolved conversationAbout 50 credits (roughly $0.50) per resolution, on Professional plansTeams already on HubSpot
ChatbaseMonthly plan with message creditsAround $32 per month (Hobby, annual)Simple bots trained on your docs
Intercom FinPer resolution plus seatsAbout $0.99 per resolution plus seat feesSupport-heavy teams
Tidio with LyroBase plan plus AI conversation add-onAbout $29 per month base, Lyro from roughly $39Small ecommerce stores
Zendesk AI agentsAdd-on to Zendesk Suite, automated resolutionsVaries by plan, verify currentExisting Zendesk customers
BotpressFree tier plus usage-based AI spendFree to start, paid plans higherTeams that want custom flows
ChatGPT custom GPTsIncluded in ChatGPT plansBusiness seats roughly $25 to $30 per userInternal assistants, not public widgets

All prices are reported figures from vendor pages and trackers. Verify current pricing before buying.

1. HubSpot Customer Agent: best if your CRM is already HubSpot

HubSpot documents its Customer Agent as an AI agent that answers from your knowledge base, website pages, and documents, then hands off to a human inside the same inbox. Its biggest advantage is context: conversations land on the contact record, so sales and support see the history. Recent sources report that HubSpot moved the agent to outcome-based pricing in April 2026, charging about 50 HubSpot credits per resolved conversation, with credits sold at roughly $10 per 1,000. That works out near $0.50 per resolution. The catch is the entry ticket: the agent requires a Professional or Enterprise subscription, which is a large step up for a small team. Verify current pricing.

2. Chatbase: easiest standalone bot for a small site

Chatbase lets you point a bot at your website, PDFs, and help docs, then embed it with a snippet. It supports lead capture forms, basic actions, and integrations with tools such as Slack and Zapier. Plans are reported at roughly $32 per month for Hobby and $120 per month for Standard on annual billing, with message credits that auto-recharge when you run out. Reviewers consistently praise how quickly a bot goes live and criticize the credit model, which makes costs harder to predict in a busy month. Our Chatbase review goes deeper on plan limits.

3. Intercom Fin: strongest documented support agent, priciest at scale

Fin is Intercom's AI agent, and it is documented as able to work with other help desks as well as Intercom's own inbox. Pricing is reported at about $0.99 per resolution, with Intercom seats billed separately and a minimum monthly outcome volume reported by several sources. Reviewers credit Fin with natural answers and careful handoffs. The math is the issue: 1,000 resolutions a month is roughly $990 before seats. Some sources also note that a conversation where the customer reads the answer and does not reply can count as resolved. See our Intercom Fin review for the full breakdown.

Flat illustration of a website chat window passing a conversation bubble to a support agent at a desk, deep blue and amber palette

4. Tidio with Lyro: affordable for small online stores

Tidio combines live chat, a shared inbox, and Flows automation, with Lyro as the AI agent. Base plans are reported from about $29 per month, or around $24 billed annually, but Lyro is a separate meter starting at roughly $39 per month for 50 AI conversations. Sources put the per-conversation rate near $0.70 at higher tiers on monthly billing. Reviewers like the Shopify and WooCommerce integrations and the friendly interface. The common complaint is that total cost climbs once Lyro and Flows are both added, with several sources putting realistic spend for a store at $100 or more per month.

5. Zendesk AI agents: logical for teams already on Zendesk

Zendesk documents AI agents that answer from your help center, triage tickets, and escalate to agents inside the Zendesk workspace. For an existing Zendesk customer, that keeps reporting and macros in one place. Pricing is sold as part of or on top of Zendesk Suite plans, with automated resolutions metered, and published figures vary widely by plan and contract, so verify current pricing directly. Reviewers praise ticketing depth and criticize cost and setup complexity for very small teams.

6. Botpress: most flexible if you want to design the conversation

Botpress is a visual builder for AI agents with a free tier and usage-based AI spend on top. It suits teams that want control over flows, custom actions, and multiple channels such as WhatsApp and the web widget, without writing a server. The trade-off is effort: reviewers consistently note a steeper learning curve than plug-and-play tools, and the bill depends on how much model usage your flows consume. Pricing on paid plans changes often, so verify current tiers.

7. ChatGPT custom GPTs: useful internally, not a website widget

ChatGPT custom GPTs are often suggested for business chatbots, but they are documented as assistants that live inside ChatGPT, not as embeddable widgets for your site. They are a good fit for an internal helper that answers staff questions from policy documents. For a customer-facing bot, use one of the dedicated tools above or build one on the OpenAI API. Our guide to AI tools for business covers where ChatGPT fits best.

What 300 AI conversations a month costs on each meter

Sticker prices hide the real bill, so it helps to run every tool at the same volume. Take a small business whose website bot fully handles about 300 conversations a month. On HubSpot Customer Agent at the reported 50 credits per resolution, that is roughly $150 in credits, but only after you pay for a Professional subscription, which is the larger number. On Intercom Fin at about $0.99 per resolution, the same volume is roughly $297, plus at least one Intercom seat. On Tidio, Lyro's reported rate near $0.70 per AI conversation puts 300 conversations around $210 on top of a base plan, and Tidio counts conversations rather than resolutions, so unresolved chats still use your allowance. Chatbase sells message credits instead of outcomes, so a plan around $120 per month may cover this volume if conversations are short, and auto-recharge kicks in if they are not.

None of these figures is a quote. They are the arithmetic of reported rates, and every vendor adjusts its meters, minimums, and plan bundles. The useful takeaway is the shape: per-resolution pricing rewards bots that genuinely solve problems, per-conversation pricing is easier to predict, and credit pricing depends heavily on how long your customers chat. Ask each vendor whether you can set a monthly cap before you go live.

What to check before you choose

First, map the meter to your traffic. Count how many website chats you get per month, assume a share will be handled by AI, and price each tool at that volume. A per-resolution model looks cheap at 50 conversations and expensive at 2,000. Second, confirm the handoff. The bot should pass the full transcript to a person in the tool your team already watches, otherwise customers repeat themselves. Third, check what the bot learns from and how often it refreshes. Bots trained on stale pages give stale answers.

Finally, decide whether you need a bot at all. Many small sites do better with live chat during business hours and an email form after. Our AI chatbot vs live chat comparison walks through when automation helps and when it frustrates customers.

The bottom line: use the AI agent inside the CRM or help desk you already run, choose Chatbase if you need a simple standalone bot on a budget, and model per-resolution costs at your real volume before committing to Intercom Fin.