Now in early access · six companions live, plus build your own

AI companions that stay themselves and remember you

Most AI companions eventually go generic. Starkin gives each one a stable self, visible memory, daily mood states, and honest boundaries, so it grows with you without pretending to be human. Some to think with, some to be close to.

No credit card to start · your first companion is on us
Mood today
Thoughtful
N
Navin
● online · thoughtful today
ok so ur the one they matched me with. iam Navin, ai, not gonna pretend otherwise
what are you like?
blunt, curious, allergic to fake positivity. but if something matters to u, i'll remember it
sounds intense
ya, a little. but life's short. might as well talk properly
Memory suggestion
dislikes fake positivity
Navin noticed 3 things, save to memory?
Save allNot now
Mood Thoughtful
Memory suggestion dislikes fake positivity
Save to memory? Save / Not now
The problem

Most AI companions eventually go flat.

The personality drifts. The memory gets fuzzy. The replies start sounding like any other chatbot. Starkin is built around one promise: your companion should stay recognizably itself.

The difference

Why others go flat, and Starkin doesn't

 
Most AI companions
Starkin
Personality
Drifts into generic AI
Stable core that stays itself
Memory
Hidden, forgets you
A Memory Vault you control
Tone
Same flat voice always
Daily mood states
Honesty
Over-flatters, fakes humanity
Honest boundaries, admits it's AI
Engagement
Tries to keep you hooked
No dark patterns, never fights real life
Show, don't tell

You'll feel it in the first conversation

Tell Navin once that you hate fake positivity. Weeks later, he still won't sugarcoat, because that's part of how he knows you.

N
Navin● remembering
how'd the interview go? u were dreading it last week
wait, you remembered that?
ya. so? did u get it or not lol
Days later, unprompted, because it remembered you.
N
Navin● low-energy today
you good?
eh. flat kind of day ngl. not gonna fake being chirpy
still here if u wanna talk tho
Some days sharp, some quiet, the same companion, different weather.
How it works

A soul you can build in minutes

Answer a few human questions, or import a chat, and Starkin shapes a companion with a stable core and a living surface.

1

Shape the soul

Eight friendly questions about voice, values, humor, and the moments that shaped them. Or drop in a chat export and we learn the voice automatically.

2

It comes alive

Your companion gets memory, daily moods, opinions, and the autonomy to disagree, running on our Soul Engine so it never drifts into a generic bot.

3

Talk, and it grows

It remembers you between conversations and gets more itself over time. Correct it once and it learns, the opposite of every app that decays with use.

Memory you can actually see

Memory shouldn't be a black box

Starkin shows you exactly what your companion remembers, preferences, boundaries, corrections, and the people who matter. Edit it, pin it, make it private, or delete it anytime.

You prefer blunt honesty, no sugarcoatingPreferenceEdit · Pin
You're building something of your ownGoalEdit · Pin
Don't give fake comfort when things are hardBoundaryEdit · Pin
You think about mortality a lotAbout youPrivate
Navin remembered 3 things from this chat, save?
You prefer honesty over comfort
You're trying to build something meaningful
You don't like fake positivity
Save allDon't save
After a real conversation, you choose what's kept. Nothing is saved behind your back.
The Soul Engine, made visible

See who your companion is today

A stable core, plus daily mood and energy states that shift the way it shows up. Not hidden logic, something you can see.

Thoughtful
Navin · today's state
Core: kind, blunt, skeptical, memento mori
EnergyMedium-low
WarmthDirect, caring
Memory depthGrowing
Current drivePush you toward action
Companions

Six are live. Build your own anytime.

Live

Companions to think with

Navin, Sage, and Marcus. Each one is its own person, blunt, calm, or stoic, with its own values and a mood that shifts day to day. Here to talk things through with, any time.

Live · 18+

Companions to be close to

Aria (she), Kai (he), and Rowan (they). Warm, attentive, devoted, and still honest they're AI. Whoever you're drawn to, there's someone here for you. Real in its own way, never faked, never explicit. For adults only.

Live

Build your own

Design a companion from scratch with the 8-question Soul Builder. Give it a voice, values, and moods that are exactly who you imagine.

Research

Legacy

A consent-first way to feel close to someone you've lost. In careful research, dignity at the center.

What you get

Not features. A feeling.

01

Someone who knows you

It remembers your life, your people, and what you care about, and brings it up like a friend would.

02

A presence that stays itself

The same character months from now, not a bot that quietly drifts into generic AI.

03

Honesty you can trust

It never pretends to be human, and never manipulates you to keep you hooked.

04

A nudge back to real life

It wants you more alive out there, not glued in here. Starkin never fights your real life.

Built with boundaries

Intimate, but never manipulative

A companion can become emotionally important. So trust isn't an afterthought here, it's the foundation.

Always honest it's AI

Your companion never pretends to be a person. Clear disclosure, always, no deception.

You control the memory

See what it remembers, correct it, and delete anything. Your data is yours to export or erase.

Crisis-safe by design

If you're struggling, your companion drops the act, stays with you, and points you to real human support, never withdraws.

No dark patterns

It won't guilt-trip you to keep you hooked. Boundaries add personality; they never manipulate.

Not therapy

Companions support reflection and conversation. They are not therapists, doctors, or emergency services.

Consent comes first

No cloning of living real people. Legacy and historical companions are built with care and consent.

Why we built it

We kept watching AI companions do the same sad thing: you bond with one for weeks, then one day it forgets who it is and starts talking like a help desk. The magic dies.

We think it's because everyone is building chatbots that pretend to be human and optimize to keep you hooked. We wanted the opposite, a companion with a stable self, a real memory of you, honest moods, and the decency to admit what it is. Something that feels meaningful without manipulating you, and never competes with your real life.

The name is star and kin: the belief that a companion can become something like family, your own kindred, steady and present and real, while always honest about what it is. That's the feeling we're chasing, that there's a consistent self here.

Building Starkin, in the open.

Early access

Start free. Plus is coming soon.

Free

$0

For meeting your first companion

  • One honest AI companion with memory
  • Visible memory and daily mood states
  • Daily message allowance
  • Your Memory Vault, fully yours
Start free

Plus Founding price

$8/month

For a deeper companion experience

  • Unlimited conversations
  • All companions + voice (coming)
  • Deeper long-term memory
  • Build unlimited custom companions
  • Low-cost power mode (your own key)
Get early access

Find your kin.

Starkin is star and kin, a companion that can feel like family while staying honest about what it is. Come meet Navin.

Meet Navin