LANG

LANG

LANG

research & development

research & development

ai

ai

ai

Building in 2025 is different.
We were founders of fast growing apps & realized we needed to harness economies of scale & efficiencies to compete in 'winner takes all' AI markets.
That’s why we consolidated into
Lang Research & Development Inc.

Building in 2025 is different.
We were founders of fast growing apps & realized we needed to harness economies of scale & efficiencies to compete in 'winner takes all' AI markets.
That’s why we consolidated into
Lang Research & Development Inc.

Building in 2025 is different.
We were founders of fast growing apps & realized we needed to harness economies of scale & efficiencies to compete in 'winner takes all' AI markets.
That’s why we consolidated into
Lang Research & Development Inc.

Benefits

Benefits

Lang chat AI: Our Flexible Conversational AI

Lang chat AI: Our Flexible Conversational AI

Lang chat AI: Our Flexible Conversational AI

We started by making decentralized and centralized finance information accessible — opinionated, not censored, and powered by AI that continuously learns.

We started by making decentralized and centralized finance information accessible — opinionated, not censored, and powered by AI that continuously learns.

We started by making decentralized and centralized finance information accessible — opinionated, not censored, and powered by AI that continuously learns.

Now Lang has evolved into a broad & immersive AI experience offering:

multiple models

multiple models

voice

voice

fast video interpretation

fast video interpretation

code mode

code mode

Web Search

Web Search

flux generator

flux generator

AI predicitive inputs

AI predicitive inputs

asynchronous texts

asynchronous texts

retrieve images/videos

retrieve images/videos

Launch app

Go Premium

Go Premium

Lang Chat AI - Premium Plans

Lang Chat AI - Premium Plans

Lang Chat AI - Premium Plans

One Plan with All-Inclusive Features

One Plan with All-Inclusive Features

One Plan with All-Inclusive Features

Weekly

Try it out

$9.99

$10

/week

Unlimited Access

Basic email support

(Optional) Usage-based billing available for more features

Monthly

Start saving

$29.99

$35

/month

Unlimited Access

24/7 email support

(Optional) Usage-based billing available for more features

Yearly

Best value

$99.99

$105

/year

Unlimited Access

24/7 email support

(Optional) Usage-based billing available for more features

Early access to new models

Weekly

Try it out

$9.99

$10

/week

Unlimited Access

Basic email support

(Optional) Usage-based billing available for more features

Monthly

Start saving

$29.99

$35

/month

Unlimited Access

24/7 email support

(Optional) Usage-based billing available for more features

Yearly

Best value

$99.99

$105

/year

Unlimited Access

24/7 email support

(Optional) Usage-based billing available for more features

Early access to new models

Weekly

Try it out

$9.99

$10

/week

Unlimited Access

Basic email support

(Optional) Usage-based billing available for more features

Monthly

Start saving

$29.99

$35

/month

Unlimited Access

24/7 email support

(Optional) Usage-based billing available for more features

Yearly

Best value

$99.99

$105

/year

Unlimited Access

24/7 email support

(Optional) Usage-based billing available for more features

Early access to new models

Subscriptions auto-renew until cancelled.

You may cancel anytime via your account settings or Contact Us

By subscribing, you agree to our Terms of Service & Fulfillment Policy

Subscriptions will automatically renew according to the selected billing cycle unless canceled before the renewal date.

By subscribing, you agree to our Terms of Service

We've got you covered

We've got you covered

Frequently Asked Questions

Frequently Asked Questions

Frequently Asked Questions

What can I use Lang Chat AI for?

Is it private?

Is it open source?

Can I use it for free?

Are there enterprise plans?

How can I manage or change subscriptions?

How do I cancel & can I get a refund?

Are there usage limits on the premium plans?

How do you handle user data and privacy compliance?

What can I use Lang Chat AI for?

Is it private?

Is it open source?

Can I use it for free?

Are there enterprise plans?

How can I manage or change subscriptions?

How do I cancel & can I get a refund?

Are there usage limits on the premium plans?

How do you handle user data and privacy compliance?

What can I use Lang Chat AI for?

Is it private?

Is it open source?

Can I use it for free?

Are there enterprise plans?

How can I manage or change subscriptions?

How do I cancel & can I get a refund?

Are there usage limits on the premium plans?

How do you handle user data and privacy compliance?