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Interfaces
interfaces
Join the waitlist

The interface to your personal intelligence.

Speech that works everywhere. Voice, whisper, silent.

TRAIN A CUSTOM MODEL

Choose how to train.

Interfaces works without this step. If you want a model trained for you, choose where to record. The same Research Agreement covers every Interfaces experience.

Record onlineRecord guided Silent Speech phrases in your browser.Record online →Recommended for this deviceUse the Mac appUse Interfaces across your Mac with Voice and Silent Speech.Download for Mac →

Everywhere you are, however quietly you need to speak.

In the open office

Silently dictate at your laptop. Nobody hears a thing.

On the train

Whisper into your headphones. We separate you from the noise.

In a meeting

Take a note without leaving the room.

At the café

Chat with AI without shouting over the music.

Late at night

Text in bed without waking anyone up.

On the walk

Voice is fine here. Same interface, different volume.

Middle of a conversation

Ask AI something without breaking the moment.

On a plane

Reply to a message without disturbing the row.

In the open office

Silently dictate at your laptop. Nobody hears a thing.

On the train

Whisper into your headphones. We separate you from the noise.

In a meeting

Take a note without leaving the room.

At the café

Chat with AI without shouting over the music.

Late at night

Text in bed without waking anyone up.

On the walk

Voice is fine here. Same interface, different volume.

Middle of a conversation

Ask AI something without breaking the moment.

On a plane

Reply to a message without disturbing the row.

In the office

Nobody hears you type.

Silent Speech · Working today

Talk to AI without making a sound.

4% word error rate personalized. Under 10% zero-shot.

Watch the original on X ↗
Early access

Join the waitlist.

We invite people in small waves. You'll hear from us when it's your turn.

TRAIN A CUSTOM MODEL

Choose how to train.

Interfaces works without this step. If you want a model trained for you, choose where to record. The same Research Agreement covers every Interfaces experience.

Record onlineRecord guided Silent Speech phrases in your browser.Record online →Recommended for this deviceUse the Mac appUse Interfaces across your Mac with Voice and Silent Speech.Download for Mac →
On the go

Whisper. On the devices you already own.

Whisper · Next

Speak quietly. Be heard clearly.

We separate your voice from the room and cut the noise. Prototype running on headphones now. The same capability will run across phones, earbuds, glasses, and XR.

A complete speech interface.

Voice, whisper, silent. On the devices you already own.

Reads what you mouth. Not what you say.
Cuts through the room around you.
Works on the devices you already own.
The shift

Voice is the future. But not everywhere, and not always out loud.

ImageJoanna Stern@JoannaStern𝕏
I want to interview someone who actually wears one of these soundproof beaks to talk to AI in the office.
Jul 30, 2026◯⇄♡▥↗
ImageCharles Maddock@charles_maddock𝕏
voice-to-text has gone too far
Jul 7, 2026◯⇄♡▥↗
ImageSam Altman@sama𝕏
agreed feels big, i want a new kind of computer
Jul 26, 2026◯⇄♡▥↗
ImageAlex Finn@AlexFinn𝕏
I don’t think you understand what ChatGPT Voice unlocks... Work can be done ANYWHERE now.
Jul 26, 2026◯⇄♡▥↗
ImageJoanna Stern@JoannaStern𝕏
Voice is a very big deal.
Jul 29, 2026◯⇄♡▥↗
ImageAaron Levie@levie𝕏
Voice AI is absolutely going to be game changing. Typing is fine, but when you just talk to your device and get an instant answer back, it lowers the barrier to asking questions about anything. It’s the closest thing to sci-fi we’ve had in AI. 0 latency is the key though.
Nov 24, 2024◯⇄♡▥↗
ImageAaron Levie@levie𝕏
Voice AI will be fairly game changing for interacting with AI Agents to take actions for you on mobile. Texting agents will often be less convenient than simply using a GUI. But talking to agents can be far more efficient than GUIs. This opens up entirely new software use cases.
Dec 3, 2024◯⇄♡▥↗
Imagea16z@a16z𝕏
Voice is one of the most frequent and information-rich form of human communication — and for the first time, AI is making it programmable at scale.
Feb 15, 2025◯⇄♡▥↗
ImageHersh Desai@Hersh_Desai𝕏
Ever since I started working with @natfriedman and @danielgross in 2022, we had a core belief that voice would be a massive unlock for the future of HCI. We were on the lookout for the team that would cross the uncanny valley and build a generational company in voice AI.
Feb 4, 2026◯⇄♡▥↗
Imagecat@catheryn_li𝕏
Excited to announce that @simpleailab has raised a $14M seed round led by @firstharmonic. For the past year, we’ve been building AI voice agents to transform direct-to-consumer sales. We fundamentally believe that voice AI is the future of all B2C calls.
Feb 10, 2026◯⇄♡▥↗
ImageAtty Eleti@athyuttamre𝕏
voice is the future
Jul 16, 2026◯⇄♡▥↗
Imagejanvi kalra@janvikalra_𝕏
go try this out! voice is the future of how we interact with superintelligence, and gpt-live-1 is a step function improvement in voice intelligence, latency, and safety. twas a blast working with the stacked team on this one
Jul 8, 2026◯⇄♡▥↗
Imagesignüll@signulll𝕏
absolutely fucking love love this. okay sorry openai, you are doing amazingly cool stuff when it comes to interfaces/modalities. i love voice & it is my primary input method for computers now (therefore it deserves a dedicated mechanic to activate).
Jul 15, 2026◯⇄♡▥↗
ImageJason Averbook@jasonaverbook𝕏
Voice won’t be the next interface. It will make the interface disappear. AI that understands accents, noise, jargon and fragments removes the need to translate work into fields and forms. Today: transcription. Next: organizational memory.
Jul 29, 2026◯⇄♡▥↗
Imagesourcery@sourceryy𝕏
“The keyboard and mouse are slowly dying.” Sector Head at Coatue Max Cook: “The keyboard and mouse, you should throw them away. We’re going to natural language interacting with agentic models.”
Jul 31, 2026◯⇄♡▥↗
ImageJoanna Stern@JoannaStern𝕏
I want to interview someone who actually wears one of these soundproof beaks to talk to AI in the office.
Jul 30, 2026◯⇄♡▥↗
ImageCharles Maddock@charles_maddock𝕏
voice-to-text has gone too far
Jul 7, 2026◯⇄♡▥↗
ImageSam Altman@sama𝕏
agreed feels big, i want a new kind of computer
Jul 26, 2026◯⇄♡▥↗
ImageAlex Finn@AlexFinn𝕏
I don’t think you understand what ChatGPT Voice unlocks... Work can be done ANYWHERE now.
Jul 26, 2026◯⇄♡▥↗
ImageJoanna Stern@JoannaStern𝕏
Voice is a very big deal.
Jul 29, 2026◯⇄♡▥↗
ImageAaron Levie@levie𝕏
Voice AI is absolutely going to be game changing. Typing is fine, but when you just talk to your device and get an instant answer back, it lowers the barrier to asking questions about anything. It’s the closest thing to sci-fi we’ve had in AI. 0 latency is the key though.
Nov 24, 2024◯⇄♡▥↗
ImageAaron Levie@levie𝕏
Voice AI will be fairly game changing for interacting with AI Agents to take actions for you on mobile. Texting agents will often be less convenient than simply using a GUI. But talking to agents can be far more efficient than GUIs. This opens up entirely new software use cases.
Dec 3, 2024◯⇄♡▥↗
Imagea16z@a16z𝕏
Voice is one of the most frequent and information-rich form of human communication — and for the first time, AI is making it programmable at scale.
Feb 15, 2025◯⇄♡▥↗
ImageHersh Desai@Hersh_Desai𝕏
Ever since I started working with @natfriedman and @danielgross in 2022, we had a core belief that voice would be a massive unlock for the future of HCI. We were on the lookout for the team that would cross the uncanny valley and build a generational company in voice AI.
Feb 4, 2026◯⇄♡▥↗
Imagecat@catheryn_li𝕏
Excited to announce that @simpleailab has raised a $14M seed round led by @firstharmonic. For the past year, we’ve been building AI voice agents to transform direct-to-consumer sales. We fundamentally believe that voice AI is the future of all B2C calls.
Feb 10, 2026◯⇄♡▥↗
ImageAtty Eleti@athyuttamre𝕏
voice is the future
Jul 16, 2026◯⇄♡▥↗
Imagejanvi kalra@janvikalra_𝕏
go try this out! voice is the future of how we interact with superintelligence, and gpt-live-1 is a step function improvement in voice intelligence, latency, and safety. twas a blast working with the stacked team on this one
Jul 8, 2026◯⇄♡▥↗
Imagesignüll@signulll𝕏
absolutely fucking love love this. okay sorry openai, you are doing amazingly cool stuff when it comes to interfaces/modalities. i love voice & it is my primary input method for computers now (therefore it deserves a dedicated mechanic to activate).
Jul 15, 2026◯⇄♡▥↗
ImageJason Averbook@jasonaverbook𝕏
Voice won’t be the next interface. It will make the interface disappear. AI that understands accents, noise, jargon and fragments removes the need to translate work into fields and forms. Today: transcription. Next: organizational memory.
Jul 29, 2026◯⇄♡▥↗
Imagesourcery@sourceryy𝕏
“The keyboard and mouse are slowly dying.” Sector Head at Coatue Max Cook: “The keyboard and mouse, you should throw them away. We’re going to natural language interacting with agentic models.”
Jul 31, 2026◯⇄♡▥↗
For device makers & developers

Tell us what you want to build.

One adaptive speech layer across phones, earbuds, glasses, XR, and cars. API access is early and invite-based. If you are an OEM, tell us the device. If you are a developer, tell us the app.

Partner with usRequest API access
See where it fits ↗
interfaces

Speech that works everywhere. Voice, whisper, silent.

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