Botpress vs Voiceflow: two AI agent builders, two very different ways to buy

Botpress and Voiceflow are both platforms for building your own AI agents rather than buying a finished one. This comparison is for developers, product and CX teams, and agencies deciding between them. It covers how each is priced as of 25 October 2026, which channels each reaches, how voice and WhatsApp work, and a worked Botpress bill.

By Ritchie, ReplyKit · Published 25 October 2026 · 7 min read

What are Botpress and Voiceflow used for?

Both are platforms for designing, building and running custom AI agents: you define knowledge, instructions, workflows and integrations, then deploy the agent to the channels you choose. Neither is a finished agent you switch on; someone has to build it.

Botpress offers a visual builder called Studio, a natural-language builder called Viber, a developer kit, knowledge bases, tables, and an AI helpdesk called Botpress Desk. Voiceflow positions itself as a platform for enterprise customer experience teams, with an agent builder that mixes agentic playbooks and scripted workflows, an observability suite, and production environments from development to staging to live. Voiceflow is especially strong on voice agents.

Botpress or Voiceflow: which one should you pick?

What do Botpress plans include, and at what price?

Botpress charges by conversation. Free is $0 for 100 conversations a month; Plus is $150 a month billed yearly for 250; Team is $750 a month billed yearly for 1,500; Enterprise is custom. Yearly billing saves 20%.

Three rules from Botpress's FAQ shape the bill:

• What counts: any exchange with at least two messages from the end user in the billing month. A conversation spanning two months counts in both, separate anonymous sessions count separately, and AI-only and human-assisted conversations count the same.
• Packs are automatic: at 95% of your quota a pack of 100 conversations is added, and auto-recharge for packs cannot be turned off. Unused pack conversations expire at month end.
• AI spend: each conversation includes $0.10 of AI usage covered by Botpress. If a workspace reaches 95% of its AI spend limit, Botpress buys a $10 AI credit grant at cost; those grants carry over for up to 12 months.

Storage beyond plan limits is $40 a month for 100,000 table rows, 1 GB of vector storage and 10 GB of files. Our Botpress pricing guide works through more volumes.

How much does Voiceflow cost?

Voiceflow does not publish list prices. Its own company facts page, updated 14 October 2026, describes the model as a monthly plan fee plus credit-based usage on Free, Pro, Business and Enterprise plans, and says prices on third-party sites may not match current plans.

• Agencies and partners get a free trial with no credit card, usage-based billing, multi-client workspace management, white-labeling and client handoff tools.
• Businesses book a demo and request pricing.
• Credits are how Voiceflow charges for agent usage, shared across all workspaces in an organization. The Free plan gets a one-time credit grant; paid plans get a monthly allotment, and auto top-ups can buy more when you hit zero.
• Seats: every paid plan includes some editor seats and more can be bought; viewers are free and unlimited.

Prices are shown inside the Voiceflow dashboard under Plans and Billing. We have left out the figures that circulate on third-party sites because Voiceflow itself says they may be out of date.

Which channels do Botpress and Voiceflow support?

Botpress covers more messaging channels out of the box, including WhatsApp. Voiceflow is stronger on voice and runs on web chat, phone and SMS, with other channels reached through its API.

Botpress's WhatsApp integration runs on Meta's official platform. Its documentation says you need a Facebook business page and a WhatsApp Business Account, that Meta verifies your business before the bot can message users, and that WhatsApp payment problems relate to the payment method on your WhatsApp business account. So Meta's per-message charges are billed through your own Meta account. Since 1 October 2026 those include service replies above 1,000 a month per number, as set out on Meta's pricing page.

What would a Botpress agent cost at 1,000 conversations a month?

A hypothetical support agent handles 1,000 conversations a month on web chat and WhatsApp, prices billed yearly, Meta fees excluded.

The crossover sits at roughly 1,000 to 1,100 conversations a month: below it, Plus with packs is cheaper; above it, Team is. Team also brings unlimited seats, routing and team analytics, which can matter more than the price.

What should you ask before signing?

1. Botpress: how will our real traffic count as conversations, especially anonymous web sessions and conversations that cross a month end?
2. Botpress: how much AI spend do our chosen models use per conversation, and how often will $10 credit grants trigger?
3. Voiceflow: what is the plan fee, how many credits does it include, and what does one chat message and one voice minute cost in credits?
4. Voiceflow: how many editor seats come with the plan, and what do extra seats cost?
5. Both: who bills WhatsApp or phone usage, and at what rates?
6. Both: can we export agents, knowledge and conversation history if we leave?

If you are weighing simpler builders too, see Chatbase vs Botpress, Voiceflow alternatives and our explainer on no-code AI agent builders.

What if you want a ready-made agent instead of a builder?

Builders make sense when your agent needs custom logic, integrations or voice. A small business that only needs WhatsApp and website enquiries answered, leads captured and appointments booked usually does not need to build anything.

ReplyKit, which we make, is a finished agent for that job. You add your website, price lists, PDFs or Q&A, set your hours, and it answers WhatsApp and website chat, books into open slots and flags questions it cannot answer, from $29 a month with AI replies included (plans). It connects to WhatsApp with a QR scan, which is unofficial and not sanctioned by Meta; a number can be restricted, so we cap replies per number and suggest a dedicated one. It has no voice, no API or webhooks and no custom integrations, so for those, Botpress or Voiceflow is the right tool. Comparisons: ReplyKit vs Botpress. Or try ReplyKit free for 7 days.

Frequently asked questions

ReplyKit is an independent product and is not affiliated with or endorsed by Meta or WhatsApp. Prices for other vendors are taken from their public pricing pages and help articles as checked in October 2026 and may change. This article is general guidance, not financial or legal advice.