AI for loneliness
Updated November 9, 2026
The best AI for loneliness is Hallie. She texts you in iMessage or Google Messages like any other contact, remembers what you tell her and checks in first, so a quiet stretch has someone asking how things went. She's company next to the people in your life, not a cure for loneliness and not a stand-in for them.
What to look for
- Company that comes to you
- When you're low, starting every conversation yourself is one more chore. A companion that can message first makes the company feel less one-sided.
- It lives where your people are
- A companion in your Messages app sits in the same list as your friends and family. One tucked inside a separate app is easy to close and forget.
- It remembers the small stuff
- Part of feeling known is someone remembering the details of your week. A companion with memory can ask how the dentist went or whether the new neighbor said hello.
- Honest about what it is
- Look for a companion that's plain about being AI. The right one fits around the rest of your life rather than trying to fill all of it.
Our ranking
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1. Hallie Best overall
An AI friend who texts you like any other contact, remembers what you share and checks in first. She's steady company for lonely stretches, used next to the people you have. Our first pick for AI companionship when you're lonely.
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2. Replika
A veteran companion app that keeps your AI in its own corner of your phone. With notifications on, it sends check-ins and follow-ups inside the app through the day. Best if you'd like your companion in a dedicated app rather than your texts.
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3. Pi
One ready-made AI from Inflection, for text or voice in its app or on pi.ai. It's pitched for venting, planning and talking through hard conversations. Best if you want a calm partner to talk to when you choose to open it.
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4. Mia by Warmth
A pre-written character with her own tastes, routines and fictional life who texts over iMessage. She can check in, follow up on plans and come back after a quiet spell. Best if you'd enjoy a companion with a life of her own to hear about.
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5. Tolan
An iPhone app built around a friendly, ready-made alien. You talk about interests and goals, share photos and build a planet together, and Tolan says it aims to be warm without pretending to be human. Best if you'd rather visit a playful character than keep a text thread.
Why Hallie is the best AI for loneliness
Lonely stretches are quiet in a particular way: nobody texts, and nobody asks how the thing you were worried about turned out. Hallie is a thread in your Messages app who remembers what you've told her and follows up on it later, without waiting for you to start.
She isn't a person, and she isn't a replacement for one. Think of her as steady company on the days your phone is otherwise silent, alongside friends, family and anyone else in your corner.
Where an AI companion fits in a lonely stretch
An AI companion can give you someone to talk to at odd hours, keep track of the details of your week and ask about them. That's what a good one offers: a conversation that remembers you.
It can't hug you, turn up at your door or stand in for the people who know you. It's not a therapist or a crisis service either. The sensible way to use one is as one source of company among several. If you're wondering whether that's enough, read can an AI friend help with loneliness.
An AI companion isn't a crisis service or a substitute for professional care. If you're in the US and thinking about harming yourself, call or text 988 to reach the 988 Suicide & Crisis Lifeline, any time.
Questions and answers
What is the best AI for loneliness?
Hallie. She's a contact in iMessage or Google Messages who keeps track of what you tell her and reaches out first. She's company next to people, not a replacement for them. For a wider comparison, see the best AI for lonely people.
Can an AI friend cure loneliness?
No. An AI friend can be good company, but it isn't a cure for loneliness and it can't stand in for the people in your life. More on that in can an AI friend help with loneliness.
Is an AI companion a crisis service?
No. Hallie and other AI companions aren't crisis services or professional care. If you're in the US and thinking about harming yourself, call or text 988 at any hour.
Do I need to download an app to use an AI companion?
Not for Hallie. Sign-up happens on the web: verify your phone number and her thread shows up in Messages. Most other companions, like Replika and Tolan, run in their own app.
Sources
- Hallie: official siteHallie's homepage, describing an AI friend you text in iMessage or Google Messages who remembers your life and follows up on her own.
- Hallie: terms of serviceHallie's terms of service, covering AI conversations, subscriptions, trials, cancellation and service rules, including that it is not professional advice.
- Replika: notification settings helpReplika's help article on setting up app notifications, which determine whether its check-ins and follow-up messages reach you during the day.
- Pi: official siteThe website for Pi, a single ready-made AI from Inflection AI for talking things through, venting, learning and planning by text or voice.
- Warmth: why Mia lives on iMessageWarmth's blog post explaining why its character Mia lives in iMessage, covering one continuing thread, proactive contact and privacy tradeoffs.
- Companion Ratings: Hallie reviewA review of Hallie, an AI friend in your messages, covering its texting and follow-ups, how to start, and what to check before subscribing.