Letter from the Creator

Built for Scale.
Engineered for Creators.

We got tired of paying expensive monthly subscriptions just to master audio for our batch-produced content. So we built the solution.

pipeline.py
1# PromptFlowStudio — batch mastering pipeline
2
3import asyncio
4from promptflowstudio import Client
5
6client = Client(api_key="…")
7
8async def process_batch(files: list[str]):
9tasks = [
10client.master(f, target_lufs=-14)
11for f in files
12]
13return await asyncio.gather(*tasks)
14
15files = glob("./raw/*.wav")
16asyncio.run(process_batch(files))
17
18# 50 tracks mastered in 2m 14s

Our Story

The Problem

Producing cinematic documentaries, urban legend series, or high-fidelity ASMR content requires impeccable audio. Whether it's the crisp sound of miniature woodworking tools or the deep, atmospheric rumble of a horror narrative, bad audio ruins the immersion. But traditional mastering takes hours, and SaaS platforms charge you $30/month even when you take a week off from publishing.

The Solution

PromptFlowStudio was born out of the need for an industrial-grade, automated audio pipeline. We combined next-gen AI models with a pay-as-you-go serverless architecture. You bring the raw creativity; our AI delivers studio-ready masters. No subscriptions. No limits.

Philosophy

What We Stand For

Workflow First

Designed for batch processing and high-volume content strategies. Drop 50 files, grab a coffee, and come back to perfect masters.

Unit Economics

Zero risk margins. You only pay for the exact seconds of GPU compute used. $0.10 per track. Plain and simple.

Uncompromised Quality

From removing heavy room reverb to standardizing LUFS for YouTube, we ensure your audio meets broadcast standards every single time.

Under the Hood

We don't hide our tech stack. PromptFlowStudio runs on highly scalable serverless GPUs, ensuring that whether you're mastering one track or a hundred, the speed remains blazing fast. Every component is chosen for reliability at scale.

See it in action
Demucs htdemucs_ft
Stem separation AI
Modal Serverless GPU
T4 on-demand
FastAPI + Supabase
Auth & credits
Cloudflare R2
Edge storage
FastAPITorchaudiopyloudnormSupabase RTNext.js 15

Ready to upgrade your production pipeline?

Join creators who process audio at scale without monthly lock-in. Your first batch is waiting.