If you want a custom chatbot in 2026, two names come up constantly: Botpress and Chatbase. They look similar on the surface — both build AI chat agents you can drop on a website — but they pull in opposite directions. Botpress leans developer-grade, with a visual flow editor, NLU, and a self-host option. Chatbase leans no-code, letting you train an agent on your own docs and ship a support bot in an afternoon.

Our take: pick Chatbase if you are a small business or support team that wants a grounded, multi-channel assistant without writing code. Pick Botpress if you have engineers and need structured flows, deep integrations, or self-hosting. Below we compare both on the criteria that actually decide the project.

Quick picks at a glance

Both start free, so the real decision is about control versus convenience, not cost of entry.

How we evaluate

We assess each platform against the same six criteria: ease of setup, knowledge-training capability, channel coverage, action and integration depth, pricing transparency, and fit for different team types. Our ratings come from each tool’s published plans and our own directory profiles, combined with how the products position themselves for support and conversational use cases. We do not run a controlled lab test with timed prompts or fixed sample sizes — instead we compare documented capabilities so you can match a tool to your workflow.

1. Botpress — best for developer-grade, logic-heavy bots

Botpress is the platform we reach for when a bot needs real logic and integrations rather than a simple FAQ widget. Its visual flow builder lets you map conversation states, drop in LLM nodes, and wire up APIs through a solid NLU layer. That structure is exactly why it appeals to product and support engineering teams: you can set explicit guardrails instead of hoping the model stays on track.

• Pros: powerful flow editor; strong LLM and NLU integration; self-host option for data control.
• Cons: setup is technical; the UI can feel complex for non-developers.
• Price: Free tier at $0; Plus is $79/mo for teams.
• Skip it if: you have no developer time and just want a support bot live today — a no-code tool will ship faster.
• → Full profile: Botpress

The practical tip: design the conversation flow as states before you touch the LLM. Botpress shines when intents and guardrails are explicit, so map them first, then connect the AI.

2. Chatbase — best for no-code support agents trained on your data

Chatbase is the tool we use to train a bot on your own docs, site, or files and drop it on a page. You connect knowledge sources — website crawls, PDFs, Notion pages, help-center articles — and get a grounded assistant that answers in your brand voice with configurable guardrails and human escalation. What separates it from a basic builder is the action layer: agents can look up orders, process refunds, create tickets, and book meetings.

• Pros: train on websites, PDFs, and help docs in minutes; multi-channel deployment (web widget, WhatsApp, Slack, Instagram, voice, telephony); AI Actions for orders, refunds, and CRM updates.
• Cons: message credits burn fast on advanced models; removing the “Powered by Chatbase” badge costs an extra $1,188/year; free-plan agents are deleted after 14 days of inactivity.
• Price: Free ($0, 1 agent, 50 message credits/mo); Hobby $32/mo (annual); Standard $120/mo (annual, voice, telephony, API); Pro $400/mo (annual).
• Skip it if: you need full data sovereignty or heavy custom infrastructure — it is fully managed, so you trade control for speed.
• → Full profile: Chatbase

The practical tip: curate your source files before training. Chatbase answers only from what you feed it, so clean, current docs produce a far more reliable bot.

Botpress vs Chatbase: which to pick

The split is clear. Chatbase wins on speed and support-specific features: if your goal is a grounded assistant that handles customer questions and transactions across chat and messaging, it gets you there fastest. Botpress wins on control and complexity: if your bot must follow strict logic, connect to internal systems, or run on your own infrastructure, it is the safer long-term base.

How to choose

• Small business or solo founder → Chatbase. You want a support bot live this week without hiring a developer.
• Support or product engineering team → Botpress. You have the skills to design flows and need guardrails, integrations, or self-hosting.
• Design-led team building chat and voice → Voiceflow. Its visual canvas suits collaborative conversation design better than either.
• Pure no-code web or WhatsApp funnel → Landbot. Lighter than Chatbase for simple branching flows.
• Want open-source, self-hosted control → Dify. Host the LLM app stack yourself when neither managed option fits your compliance needs.

Verdict

Neither tool is “better” in the abstract — they target different builders. Choose Chatbase for a no-code, data-trained support agent you can deploy across web and messaging almost immediately. Choose Botpress when you need structured flows, deep integrations, or self-hosting and you have the engineering capacity to use them. If your priority is conversational design spanning voice, Voiceflow is worth a look; if it is open-source control, Dify is the natural alternative.

Related tools & guides

• Botpress — developer-grade flow builder with self-host.
• Chatbase — no-code agents trained on your data.
• Voiceflow — visual chat and voice assistant design.
• Landbot — no-code conversational web and WhatsApp flows.
• Dify — open-source, self-hosted LLM app platform.
• How to Build a No-Code AI Chatbot 2026 — a workflow guide that pairs well with either builder.
• Best AI Agents 2026 — broader look at agent platforms beyond chat widgets.
• Best Free AI Chatbots 2026 — consumer and builder options you can start on $0.