WhatsApp platforms with AI: how to compare pricing and billing models

The billing units you'll run into

The big number on the card says little if you don't know what it buys. There are five common ways to charge: per user or seat, per contact you talked to in the month, per conversation or session, a flat fee with an included allowance, and mixed models that combine a base fee with usage.

On top of that come two layers that are almost always separate: what Meta charges for WhatsApp API messages, which exists with any provider, and artificial intelligence, which some platforms include with a credit allowance and others sell as an add-on or ask you to contract from a third party.

• Per user or seat: you pay for each person who uses the inbox.
• Per monthly active contact: you pay for each customer you exchanged messages with during the month.
• Per conversation or session: you pay for each thread within a window, usually 24 hours or 7 days.
• Flat fee with allowance: a fixed amount that includes a set number of users and of conversations or contacts.
• Mixed: a base subscription plus credits, additional contacts, extra users or modules.

Who each model suits

Per-user pricing is predictable if the team is small and stable, and it grows every time you add someone even if you handle the same volume. Per-contact or per-conversation pricing follows demand: a quiet month costs less and a campaign month costs more.

A flat fee with an allowance suits whoever wants a fixed number to budget and knows they won't exceed it often. Mixed models can work for whoever leans heavily on a single piece, such as campaigns. What sets the real cost is your monthly volume, not the entry plan.

• Small, stable team with high volume: per conversation or per contact usually tracks better.
• Large team with low volume: per conversation or a flat fee avoids paying for seats.
• You need a fixed budget: a flat fee with a comfortable allowance.
• You mostly run outbound campaigns: look at the per-message cost and credits more than the subscription.

What to ask before signing up

The differences that matter show up outside the normal scenario: when you exceed the allowance, when AI credits run out, when you want to add someone. If the pricing page doesn't answer it, ask in writing before paying.

Also ask how each platform counts its unit. A conversation can be a 24-hour session or a 7-day window; an active contact may count only if you wrote to them or also if they wrote to you. Two plans with the same included number can cover very different volumes.

• What happens when you exceed the allowance: service stops, an automatic add-on is billed or you have to upgrade.
• If AI is included, how many credits it comes with, what each one consumes and what happens when they run out.
• Whether Meta's fees are separate and how they're charged: prepaid balance, monthly invoice or billed directly by Meta.
• How many people are included in the price and what each additional one costs.
• Whether there's a minimum term and whether the annual discount requires a commitment.

The honest answer about a fixed price with unlimited conversations

A common search is which platform offers a fixed monthly price with unlimited AI conversations instead of charging per conversation. Among the pricing pages we reviewed on October 6, 2026, none publishes that scheme without conditions: flat fees include an allowance of conversations, contacts or AI credits, and beyond it they bill an add-on, pause the feature or ask you to upgrade.

There's a structural reason. Every AI reply has a compute cost and, since October 1, 2026, every service message sent through the WhatsApp API carries a Meta charge based on the recipient's market, including within the 24-hour window. A plan that ignored volume would have to absorb both. What does exist is predictability: a tier with headroom so that, in a normal month, the price doesn't change.

Platform by platform

What follows summarizes what each platform's own pricing page says, consulted on October 6, 2026, in the currency and billing period that page states. We don't convert currencies; whatever a page doesn't show in its text is marked as unconfirmed. Before deciding, go back to the source: prices change.

• Leadsales: according to its pricing page, consulted on October 6, 2026, it combines a base plan with monthly credits; each conversation you start on WhatsApp uses one credit. The Básico plan is listed at 97 USD monthly with 3 users; Profesional at 133 USD monthly with 250 credits and 4 users. The AI agent is free the first month and then billed by volume. 14-day trial, no lock-in.
• Kommo: according to its pricing page, consulted on October 6, 2026, it charges per user: the Base plan is listed at 25 USD per user per month, billed as 150 USD per user for 6 months. It includes 750 AI credits per user per month. 14-day trial, no credit card. The page consulted doesn't mention Meta's per-message fees.
• Callbell: according to its pricing page, consulted on October 6, 2026, it charges per agent: the Chat Multiagente plan is listed at 15 per month per agent, in dollars or euros depending on the page's selector, and WhatsApp is added from 22 dollars per month in consumable credits. 7-day trial, no credit card. The ChatGPT integration appears only in the Enterprise plan.
• B2Chat: according to its pricing page, consulted on October 6, 2026, it charges a base subscription plus unique inbound contacts per month. The Básico plan without WhatsApp is listed at 33 USD per month with 2 users; with WhatsApp, at 105 USD per month with 2 users and 1000 unique inbound contacts per month. The AI assistant appears as an add-on with no regular price published. Meta's charges are separate. We found no free trial; the call to action is to book a demo.
• Wati: according to its pricing page, consulted on October 6, 2026, it charges by users and monthly active contacts: the Growth plan includes 3 users and 500 active contacts, priced per month billed annually. It includes 2500 AI credits, charges template messages separately and offers a 7-day trial.
• respond.io: according to its pricing page, consulted on October 6, 2026, it charges by monthly active contacts plus users. The Starter plan is listed at 79 USD per month, or 948 USD per year billed annually, with 5 users, from 1000 active contacts and 5000 AI credits; AI agents appear from the Growth plan. WhatsApp fees are not included. 7-day trial, no credit card; past the allowance it bills on demand in blocks of 100 contacts.
• Whaticket: according to its pricing page, consulted on October 6, 2026, it charges by users and WhatsApp connections, with a minimum of 3 users: the base setup is listed at 49 USD monthly with 3 users and 1 connection, and each additional connection from 20 USD per month. AI requires OpenAI tokens that are not included. 14-day free trial.
• Cliengo: according to its pricing page, consulted on October 6, 2026, it charges by monthly conversations, equivalent to a 24-hour session, plus users. The Starter plan is listed at 45 USD monthly with 2 users, 500 conversations and the Copilot assistant; Premium at 119 USD monthly with 3 users, 10 AI agents and 2000 AI conversations. Meta's charges are not included. 14-day trial, no credit card; at the limit, new interactions stop being received.
• Trengo: according to its pricing page, consulted on October 6, 2026, it charges by users and conversations, where a conversation is any reply within a 7-day window. The Boost plan is listed at 299 euros per month billed annually, or 349 euros month to month, with 10 users and 500 conversations per month. Conversations that use AI carry a per-conversation surcharge. It offers a free trial; the detail of Meta's fees was not confirmed in the text consulted.
• Zoko: according to its pricing page, consulted on October 6, 2026, it's aimed at Shopify stores and charges a monthly fee with conversations and agents included: the Starter plan is listed at 49.99 dollars per month with a 0.015 markup per conversation and agents at no charge; Plus at 79.99 dollars per month with 5000 conversations and 5 agents. WhatsApp fees are paid with prepaid credits according to Meta's rate card. AI agents are an add-on. 7-day trial.

How Volga charges

Volga charges per conversations per month, in tiers: each plan includes a number of conversations and a number of human agents, with no per-seat charge. On the AI plans the assistant is included with a monthly AI usage allowance listed on each plan; there are no credits to buy separately. There's also a family of plans without AI, for 100 percent human service. Instagram is available from the Growth plan, and order taking with Smart Intake from Scale.

If a conversation falls outside the month's allowance, Volga doesn't answer it, neither with AI nor from the inbox, and the customer gets no reply; the conversations within the allowance keep working, there are no overage charges and administrators get a warning as it approaches the limit and when it reaches it. Payment is online through MercadoPago, with no contract and cancellation whenever you want. Meta's per-message fees are separate, as with any provider. Current amounts are on the site's pricing page.

• Unit: conversations per month, in tiers.
• Agents included in each plan, no per-seat price.
• AI included with a monthly allowance on the AI plans; a no-AI family for human service.
• No contract, online activation, one-click cancellation.

Who Volga isn't the best option for

An honest comparison includes what we don't do. Volga doesn't reply to Instagram comments, only direct messages. It doesn't handle voice calls and has no saved quick replies for human agents.

If your operation revolves around a Shopify store or a sales CRM with pipelines at its center, there are platforms in the overview above that are built around that. The axis of your business should be the axis of the tool.

• You need to reply to Instagram comments or handle voice calls.
• Your team relies on saved quick replies.
• Your center is a pipeline CRM or a Shopify store with commerce flows.

A checklist to compare with your own numbers

Take your data from a typical month and your best month, and compute the total cost on each platform using its unit. Add the subscription, the add-ons you'll surely use, an estimate of Meta's charges for your campaigns and replies, and the cost of AI if it's separate. Only then compare prices.

• Distinct customers who write to you per month, in a typical month and in the best one.
• People who need inbox access, today and a year from now.
• Outbound messages per month: reminders, notices and campaigns.
• Replies you want the AI to resolve without human intervention.
• Channels beyond WhatsApp: Instagram, web, others.
• What happens the month you exceed the allowance and what it costs.