Switching from Pi
A Pi alternative that still feels like a friend
Pi was, for a lot of people, the first AI that felt warm instead of robotic. Then most of Inflection's team moved to Microsoft, the company turned toward enterprise, and Pi's consumer side went quiet. If you're here, you probably miss having somewhere to think out loud. CallByrd is built for exactly that — with one change.
What you liked about Pi
It didn't talk down to you. It didn't try to be your therapist, and it didn't flirt. It remembered what you said and picked the thread back up. It was just a calm, plainspoken voice that let you work a thought out loud. None of that is the part we're changing.
| CallByrd | Pi | |
|---|---|---|
| Tone | Warm, plain, not clinical | Warm, plain, not clinical |
| Format | A phone call | A chat thread, voice optional |
| App to install | None | App or web |
| Remembers you | Yes — facts + recent topics | Yes — within the thread |
| Romance / NSFW | No, ever | No |
| Pretends to be human | No — tells you on request | No |
| Cost | 45 free min, then prepay from $54 | Free; consumer roadmap deprioritized |
The one thing we changed: it's a phone call
Pi lived in a chat window. You opened an app, you saw a thread, you typed or tapped to talk. CallByrd doesn't have a thread or an app. You get a phone number. You call it — or it calls you — and Sam or Claire picks up. You talk for as long as you want. Then you hang up and go back to your day.
For a lot of people who used Pi's voice mode most, that's the version they were actually reaching for: less screen, more conversation. A call has a beginning, a middle, and an end — and the end is part of why it helps.
If you mostly typed to Pi
Then be honest with yourself about the switch. CallByrd is voice-only — there's no thread to scroll and no typing. If writing is how you think, a call won't feel the same, and that's fair. But if Pi was the thing you talked to in the car, on a walk, or before bed, a real call is the closer fit.
Common questions
- Is Pi shutting down?
- Pi still works, but after most of Inflection's team moved to Microsoft in 2024 the company refocused on enterprise, and Pi's consumer roadmap went quiet. A lot of people who leaned on it started looking for somewhere else to land.
- What's the closest alternative to Pi?
- In tone, CallByrd is about as close as it gets — warm, plain, not pretending to be your therapist. The difference is the format: Pi is a chat window with optional voice; CallByrd is an actual phone call, with no app and no thread.
- Is CallByrd free like Pi was?
- You start with 45 free minutes, no card. After that it's prepay bundles from $54 — voice costs money on every minute, so we charge for it honestly instead of monetizing your attention. Minutes never expire.
- Does CallByrd have a romance or roleplay mode?
- No. Sam and Claire are friends and they keep it friendly — no flirting, no NSFW, ever. Same as Pi on that front.
Try a call. It's the fastest way to know if it's your fit.
Keep reading
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CallByrd vs Pi →Closest in tone — but Pi lives in a chat thread, not a phone call.
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An AI you can actually call →Not an app, not a chat box — a phone number you call and a friend picks up. Works on any phone.
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Why we chose a phone call instead of an app →The case for putting an AI on the phone instead of on a screen.
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The non-romantic AI companion →Most AI companions default to romance or roleplay. CallByrd is the platonic one — a friend you call, no flirting, ever.