Start free

Introducing

Marnix 2.0.

Your AI technical partner.

Talk through the product. Marnix chooses the stack, writes the code, connects the AI, and ships the URL.

You

Marnix

Ready for voice huddle

RelayOps Customer Portal

RelayOps

Customer operations platform

portals.relayops.comLive

Overview

Customer health

Users

View all

AI Support

Visitor asks:

Can you explain why my invoice increased this month?

I checked the Stripe plan and usage table. Extra seats were added Apr 18, so I drafted a reply with invoice line items.

Ask a question...

Built with Marnix

Tap mic to talk

You

01Introducing

Meet Marnix 2.0.

Talk it out. Marnix picks the stack, writes the code, wires the integrations, and ships a live URL — in your language, on every iteration.

Marnix 2.0 blueprint — Voice Build, 10 Languages, Integrations, iOS App, and Live URLs wired around a central Marnix 2.0 nameplate, drawn in technical-blueprint style over an Amsterdam canal scene

See how each feature works

Pixel-art Amsterdam canal lined with brick merchant houses

02Real iteration · ▣ marquee

Iterate by talking.

The app updates while you keep speaking — no code, no deploy step.

“Make it blue.”“Add a chatbot.”Ship it.

You

Voice huddle · liveYou speaking

“make the theme blue”

+ Marnix AI chatbot wired in

밥상

Joseon

Bibimbap

비빔밥

A beloved mixed rice dish topped with seasoned vegetables.

ExploreBrowse

03Marnix AI

Add AI to your app.One click.

Drop chatbots, classifiers, or generative features into the apps you build — no API keys, no integration work. Cheapest, most efficient model on the market — about 3¢ per message, 2× faster than Sonnet 4.

Marnix AI

One click · ~3¢ per message

Model	Cost	Speed	Setup
Marnix AI	~3¢ / message	2×+ faster than Sonnet 4 benchmark	Built in
Sonnet-class agent	Higher on heavier usage	Slower / heavier	External API + billing
Opus-class agent	Much higher	Overkill for most app chat	External API + billing
GPT flagship agent	Higher on heavier usage	Strong, but heavier	External API + billing

Speed comparison based on provider-published model benchmarks against Sonnet 4. End-to-end latency varies by app, prompt size, and network conditions.

See full pricing

04Integrations

Marnix knows what your app needs.You click once.

Tell Marnix what you want to build. It picks the tools you need — payments, sign-ups, emails, analytics — and walks you through setting each one up. You just keep talking.

Pixel-art Keukenhof tulip fields with a Dutch windmill

YOU“I want a newsletter foodies pay to read.”

Suggested

Supabase

Database + accounts

Suggested

Resend

Send emails

Suggested

PostHog

Product analytics

GitHub

Code + commits

Suggested

Stripe

Take payments

Composio

50+ external tools

Marnix wires each one up while you keep talking.

05Marnix Remote · ▣ marquee

Talk on your phone.Watch your app build in your browser.

PulseOps · Sprint dashboard

You

PPulseOps

OverviewCustomersBillingSettings

This week

Customer health

+ Add report

MRR

$48.2k

+12%

Active

1,284

+86

Churn

2.1%

-0.4

NPS

Signups · last 14 days

trending ↑

Built with Marnix

Talk in the morning. Ship by lunch.

06Ship & own

Pick a URL.Or buy one.

Your code, your repo, your domain. Free .marnix.ai subdomain on every plan. Bring your own — or buy through Marnix and skip the registrar trip.

Free

Subdomain

every-app.marnix.ai on every plan.

1 click

Custom domain

Bring it or buy it inline.

Yours

Code & repo

Always exportable. Always yours.

Pixel-art Amsterdam merchant houses on a tree-lined street

Publish on marnix.ai

Your URL

my-cool-app.marnix.ai

Or buy a domain

⌕bapsang

bapsang.com$11.99/yr
bapsang.app$19.99/yr
bapsang.ioRec$42.99/yr
bapsang.ai$165.00/yr
bapsang.dev$18.00/yr

Stop describing apps.Start shipping them.

Voice huddle, suggested integrations, Marnix AI baked in, your URL by the end of the call. From scratch — or from yesterday's project.

See pricing

No credit card
·
10 languages
·
Own your code

Start free

Introducing

Marnix 2.0.

Your AI technical partner.

Talk through the product. Marnix chooses the stack, writes the code, connects the AI, and ships the URL.

You

Marnix

Ready for voice huddle

RelayOps Customer Portal

RelayOps

Customer operations platform

portals.relayops.comLive

Overview

Customer health

Users

View all

AI Support

Visitor asks:

Can you explain why my invoice increased this month?

I checked the Stripe plan and usage table. Extra seats were added Apr 18, so I drafted a reply with invoice line items.

Ask a question...

Built with Marnix

Tap mic to talk

You

01Introducing

Meet Marnix 2.0.

Talk it out. Marnix picks the stack, writes the code, wires the integrations, and ships a live URL — in your language, on every iteration.

See how each feature works

02Real iteration · ▣ marquee

Iterate by talking.

The app updates while you keep speaking — no code, no deploy step.

“Make it blue.”“Add a chatbot.”Ship it.

You

Voice huddle · liveYou speaking

“make the theme blue”

+ Marnix AI chatbot wired in

밥상

Joseon

Bibimbap

비빔밥

A beloved mixed rice dish topped with seasoned vegetables.

ExploreBrowse

03Marnix AI

Add AI to your app.One click.

Marnix AI

One click · ~3¢ per message

Model	Cost	Speed	Setup
Marnix AI	~3¢ / message	2×+ faster than Sonnet 4 benchmark	Built in
Sonnet-class agent	Higher on heavier usage	Slower / heavier	External API + billing
Opus-class agent	Much higher	Overkill for most app chat	External API + billing
GPT flagship agent	Higher on heavier usage	Strong, but heavier	External API + billing

Speed comparison based on provider-published model benchmarks against Sonnet 4. End-to-end latency varies by app, prompt size, and network conditions.

See full pricing

04Integrations

Marnix knows what your app needs.You click once.

Tell Marnix what you want to build. It picks the tools you need — payments, sign-ups, emails, analytics — and walks you through setting each one up. You just keep talking.

YOU“I want a newsletter foodies pay to read.”

Suggested

Supabase

Database + accounts

Suggested

Resend

Send emails

Suggested

PostHog

Product analytics

GitHub

Code + commits

Suggested

Stripe

Take payments

Composio

50+ external tools

Marnix wires each one up while you keep talking.

05Marnix Remote · ▣ marquee

Talk on your phone.Watch your app build in your browser.

PulseOps · Sprint dashboard

You

PPulseOps

OverviewCustomersBillingSettings

This week

Customer health

+ Add report

MRR

$48.2k

+12%

Active

1,284

+86

Churn

2.1%

-0.4

NPS

Signups · last 14 days

trending ↑

Built with Marnix

Talk in the morning. Ship by lunch.

06Ship & own

Pick a URL.Or buy one.

Your code, your repo, your domain. Free .marnix.ai subdomain on every plan. Bring your own — or buy through Marnix and skip the registrar trip.

Free

Subdomain

every-app.marnix.ai on every plan.

1 click

Custom domain

Bring it or buy it inline.

Yours

Code & repo

Always exportable. Always yours.

Publish on marnix.ai

Your URL

my-cool-app.marnix.ai

Or buy a domain

⌕bapsang

bapsang.com$11.99/yr
bapsang.app$19.99/yr
bapsang.ioRec$42.99/yr
bapsang.ai$165.00/yr
bapsang.dev$18.00/yr

Stop describing apps.Start shipping them.

Voice huddle, suggested integrations, Marnix AI baked in, your URL by the end of the call. From scratch — or from yesterday's project.

See pricing

No credit card
·
10 languages
·
Own your code