- Who it's for
- Developers
- Price
- Free to Nov 13, 2026
- Where it works
- AI Gateway, playground
Key points
- Reads every message in the group
- Replies or stays quiet each time
- Helps people through disagreements
- Built on Z.ai's open-weight GLM 5.3
- Free through November 13, 2026
Where to use it
- Team planningFlag clashing plans before a meeting is set
- Group projectsSummarise decisions and open questions for the group
What it does
Ampersand is a chat model built for group conversations between several people. It reads every message, even those not addressed to it, and decides whether to reply or stay quiet.
Who it's for
Developers building apps and agents that take part in group chats.
Price and where to try it
Free through November 13, 2026, on Vercel AI Gateway, which adds no platform fee. You can also try it in the model playground.
Written with AI from the source above. If something looks off, the source is what counts.
