Reach is usually the deciding factor
WhatsApp is the default messaging app for most of Latin America, much of Europe, and large parts of Asia and Africa — if your customers already have a phone number and a preferred way to text businesses, it's very likely WhatsApp. Telegram has real, dedicated audiences too, particularly among tech-savvy users and in specific regions and communities, but it's rarely the primary channel most of a general consumer base already has open.
The practical question isn't "which platform is better" in the abstract — it's "where are the people who already want to talk to me." Check your own customer base before picking a default.
Setup, verification, and cost
The WhatsApp Business API requires a formal business verification process through Meta and typically a message-based pricing model once you're past the free service window with a given customer — it's built for scale, but it takes real setup before you can send a message.
Telegram's Bot API, by contrast, is close to instant: register a bot with a few messages to BotFather and it works. There's no per-message cost from Telegram itself, and no business verification gate. That makes it a genuinely good place to start fast, or to run alongside WhatsApp for a segment of your audience that prefers it.
What stays the same either way
On iNTELIGENCIA VIVA, both are configured as channels inside the same unified inbox — a conversation from either one lands next to your web widget conversations, gets the same AI handling and the same human handoff rules, and shows up in the same analytics. Neither channel gets special treatment in the product; the difference is entirely in reach, setup friction, and cost, not in how well either one is supported.
A reasonable way to decide
If you already have a WhatsApp number your customers text you on informally, formalize that into the Business API rather than starting a new habit elsewhere — you're building on an existing behavior. If you're starting from zero and want to validate that live, AI-assisted chat works for your business before doing formal verification, Telegram is the lower-friction way to prove the model in days, not weeks, and you can add WhatsApp once you know it's worth the setup.