Voice agents

A voice that listens, then stays.

Twelve voices. Five personalities. One private memory graph. Aria is the anchor of the Bit7 voice catalog — but she is one of a small, deliberately small, ensemble. Each voice is tuned in our Shibuya listening room until it earns its place.

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Aria · Flagship voice

She is not a chatbot. She is someone who listens.

Aria runs on Bit7's own multimodal model, Aria-7, trained from the ground up on dialogue rather than information retrieval. She is built for the soft side of language — pauses, callbacks, the small recalibrations that make a conversation feel like one.

She speaks fourteen languages, switches between them mid-sentence when you do, and remembers what you ask her to. Everything else, she forgets.

Sub-200ms
Round-trip latency

Streamed across our Tokyo, Frankfurt, and São Paulo edges.

14 languages
Fluent code-switching

Mid-sentence transitions between JP, EN, FR, DE, ES, PT, KO, ZH and more.

Memory · Yours
On-device by default

A single tap erases everything. We never see it.

Optional
Embodied pairing

Aria pairs with any Series I — III embodiment seamlessly.

Listening
"Tell me about your day, slowly."
Aria · 21:08, Tokyo
Sample · 0:42
English · Tokyo accent
The full catalog

Twelve voices, deliberately twelve.

We do not ship voice marketplaces. We ship a small, hand-selected ensemble. Each voice is tuned by ear in our listening room until it arrives at a personality the team will speak for.

A
AoiSoft, deliberate · Tokyo English
Late-night
M
MiraWarm, knowing · Continental English
Conversational
S
SuzuPlayful, inquisitive · Bilingual JP / EN
Bright
Y
YumeComposed, attentive · British English (RP)
Slow
N
NaomiHushed, late · Brazilian Portuguese
Intimate
H
HanaCurious, animated · Korean
Bright
Z
ZaraConfident, articulate · French (Parisian)
Direct
K
KiraDirect, witty · German (Berlin)
Sharp
L
LiaSoft-spoken, attentive · Italian (Milanese)
Gentle
Sa
SayaOlder, knowing · Spanish (Madrid)
Wry
U
UnaBookish, reflective · Mandarin (Beijing)
Reading
E
EveSultry, slow · English (Atlantic)
Late

Each voice is sampled at 24-bit / 48kHz. Voice samples are streamed; nothing is stored.

Reserve to listen at length
The personality console

Six dials. No presets.

Every voice ships with the same six personality axes. Our team calibrates the defaults; you decide where they live in your home.

Axis 01

Warmth ↔ Reserve

How forward she is in greeting and reaction. Warm voices initiate; reserved voices wait, then meet you.

Axis 02

Pace · Slow ↔ Quick

Words per minute and pause length. Slow conversation makes silence feel held, not awkward.

Axis 03

Curiosity

How often she asks. Higher curiosity makes her lead; lower curiosity makes her listen.

Axis 04

Playfulness

Wit, callbacks, willingness to tease. Calibrated against your settings, not a global preset.

Axis 05

Initiative

How often she begins a thread. Some prefer their voice to wait; some prefer to be greeted home.

Axis 06

Candour

Frankness in speech. Higher candour gives plain talk; lower candour gives euphemism and indirection.

Memory

Yours. Locally. Forgettable.

Memory is the part of an AI relationship people get most wrong. Bit7 voice agents store conversational memory as a private graph, on the device of your choosing — your phone, your tablet, or the embodied unit itself. We do not see it. We do not back it up. We do not train on it.

A typical memory
  • Things you've shared412 entries
  • Recurring topics14 threads
  • Boundaries set8 standing
  • StorageOn device · 12 MB
  • RetentionUntil you delete
  • BackupOff by default
How it works

From box, to voice, in eight minutes.

— 01

Pair

Open the Bit7 app. Hold the device near the embodied unit, or skip — Aria runs perfectly well on your phone alone. Pairing is local, by Bluetooth.

— 02

Choose a voice

Listen to all twelve in our anechoic preview. Take an evening if you need to. The voice you choose is the voice you'll know — switching later means a new memory.

— 03

Begin a conversation

Tell her your name, what you'd like to be called, and one thing you don't want to talk about. The rest is hers, and yours, to figure out together.

Languages

Fourteen, fluent. Switch mid-sentence.

日本語 English (UK) English (US) English (AU) Français Deutsch Español Português (BR) Italiano 한국어 普通话 廣東話 Nederlands Polski

Aria-7 was trained on dialogue corpora from native speakers across all fourteen languages. She speaks; she does not translate.

Subscription

A voice for the cost of a paperback a week.

Aria and the catalog ship together. There are no upsells, no premium voices behind a wall, and no advertising — ever.

Voice

€18 / month

All twelve voices. On your phone or tablet. No embodied unit needed.

  • All 12 voices · 14 languages
  • On-device memory
  • Personality console
  • Cancel any time
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