Telegram has three containers whose names sound similar and whose purposes are not: channels, groups and bots. Picking the wrong one hurts — running a discussion in a channel, or announcements in a group, tends to force a rebuild a few months later. Here is the whole distinction in one place.
The one-line version
- Channel — one-to-many broadcast. Only admins publish, everyone else reads, and there is no subscriber limit.
- Group — many-to-many conversation. Every member can post, subject to permissions; a supergroup holds up to 200,000 members.
- Bot — a program written by a third-party developer against the Bot API and run inside Telegram. It isn’t a container; it’s a participant.
Channels: broadcast
Channels exist to push messages to large audiences. Telegram’s own wording is that a channel “can have an unlimited number of subscribers”.
The properties that matter:
- Posts are signed by the channel, not by you. A message carries the channel’s name and photo rather than the account that posted it, which matters as soon as more than one person runs it.
- Every post has a public view counter, and views from forwarded copies are added to the original’s total.
- Public channels have a username, so anyone can find them in Telegram search and join. Private channels are joinable only through an invite link.
- The owner can add the first 200 subscribers directly; beyond that people have to join themselves. That’s a startup allowance most people forget they have.
Channels have no discussion area of their own. If you want readers to comment, the correct pattern is to link a discussion group to the channel: every new post is forwarded there automatically, comments happen in the group, and the channel itself stays clean.
Groups: conversation
There are three kinds, differing mainly in scale and features.
A basic group holds at most 200 members and has fewer features — no public username, no granular admin rights.
A supergroup holds up to 200,000 members and is what almost every real community actually uses. It adds:
- a public username and a
t.me/xxxlink; for a public group the entire message history is visible to anyone, who can then join and post; - per-member permissions — whether they may send media, links, pin messages, and so on;
- per-admin rights, instead of a single “is an admin” flag.
A broadcast group (gigagroup) is a supergroup variant with the member ceiling removed, at the cost that only admins can write. It fits the case of “I need a visible member list but in practice I only broadcast”. Note that converting a supergroup into a gigagroup is one way only and is offered by Telegram to admins rather than being freely available.
How a basic group becomes a supergroup
This is the most-asked question, and the answer is: you usually don’t do anything.
Telegram’s client specification is explicit — clients should migrate a basic group to a supergroup automatically as soon as an admin tries to perform an action only supergroups support. Setting a public link or crossing 200 members both trigger it.
When the migration happens, everyone in the old chat receives a service message pointing at the new supergroup, and all further messages go to the new one. In the app you see the familiar “the group was upgraded to a supergroup” notice. There is no downgrade button in the clients, so plan it as a one-way change.
Bots: programs inside Telegram
A bot isn’t a third kind of room. It’s a special account implemented by an outside developer through the Bot API — think of it as a participant that only responds programmatically.
Worth knowing:
- A bot cannot contact you first. You start it, or someone adds it to a group. Anything that DMs you out of nowhere and calls itself a bot deserves suspicion.
- It can be added to a group or channel as an admin, which is how anti-spam, welcome messages, polls and scheduled posting are usually implemented.
- It doesn’t see everything in a group. Unless it’s an admin or privacy mode is off, it only receives commands and messages that mention it.
- It is third-party software. It can read whatever you deliberately send it, so don’t hand sensitive material to a bot you don’t know.
This directory’s submission flow is itself a bot: you send it a channel link, it fetches the public profile, and the review result comes back as a private message.
Which one should you use
| What you want to do | Use |
|---|---|
| Publish announcements, updates or news with no reader posts | Channel |
| Publish, but with a comment section | Channel + linked discussion group |
| Let people talk to each other and help each other | Supergroup |
| Broadcast at huge scale but keep a visible member list | Broadcast group |
| Automate moderation, welcomes, lookups, scheduled posts | Bot inside a channel or group |
| Offer a lookup or utility service | A standalone bot |
Some rules of thumb:
- When in doubt, start with a channel. You can attach a discussion group later to open up conversation. Turning a group that has been noisy for six months into a quiet announcement feed is much harder.
- Any group past a hundred or two needs rules configured. Supergroup permissions are per-item; turning off links and forwards for new members up front is far cheaper than cleaning up afterwards.
- Public really means public. A public group’s history is readable by any passer-by, and a public channel has a web preview page. If you want privacy, don’t set a username.
What this means when you’re looking for something
As a reader, keeping the three straight saves a lot of time. If you want to passively receive information on a topic, you want a channel. If you want your questions answered, you want a group. If you want something to convert a currency or fetch a file for you, you want a bot.
This directory lists the three separately — browse channels, groups and bots. To learn how to judge whether a channel is worth subscribing to, read how to find good Telegram channels.
Frequently asked questions
What is the difference between a basic group and a supergroup?
A basic group holds at most 200 members and has fewer features. A supergroup holds up to 200,000, and adds public usernames, granular per-admin rights and full visible history. Clients migrate a basic group to a supergroup automatically as soon as an admin does something only supergroups support.
Is there a limit on channel subscribers?
No. Telegram states that a channel can have an unlimited number of subscribers. The limits apply to groups - 200 members for a basic group, 200,000 for a supergroup.
Will a bot message me first?
No. Bots cannot initiate a conversation; you have to start one (press Start) or add the bot to a group. An unsolicited direct message from something calling itself a bot is almost always an ordinary account in disguise.