PureMIDI vs GridBulk

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

PureMIDI compared with GridBulk
Detail	PureMIDI	GridBulk
What it does	AI MIDI converter for audio, video, and sheet music	AI batch image generation with grid splitting: one prompt, up to 16 images, one credit
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Not given	Freemium
Pricing	Starter Pack: $4.99 (30 credits); Standard Pack: $9.99 (100 credits); Pro Pack: $19.99 (300 credits). Single melody conversions cost 1 credit; full-song conversions cost 6-15 credits; PDF/image conversions cost 4 credits. Free 30-second preview of eligible audio; new accounts receive 2 gift credits	Free plan includes 20 credits on signup with the first generation free. Basic: $19/month for 2,000 credits/month (≈32,000 images with 4×4 grid). Pro: $49/month for 5,000 credits/month (≈80,000 images with 4×4 grid). Max: $99/month for 10,000 credits/month (≈160,000 images with 4×4 grid).
Key features	Audio to MIDI conversion supporting MP3, WAV, M4A, FLAC, OGG, WEBM, AAC, AIFF Video to MIDI from MP4, MOV, WebM, and M4V uploads Sheet music PDF to MIDI with AI score recognition MusicXML and MXL sheet music conversion YouTube audio preview and conversion workflow Single melody transcription into editable MIDI Full song multi-track MIDI draft generation Browser-based MIDI editor with playback and export MIDI to notation conversion for readability MIDI to Guitar Pro tab export	Generate up to 16 images in a single 4×4 grid Grid splitting into individual pixel-perfect assets REST API with sync and async endpoints MCP server for AI agent integration Reference image support for style guidance Runs on Google Gemini and OpenAI GPT Image models Dashboard history with searchable generations
What makes it different	Free 30-second audio preview before purchase or sign-in Never trains on user uploads and deletes files within 3 days Works in browser with no plugins or DAW installation needed Output compatible with every major DAW and notation software	One credit per grid instead of per image, reducing cost per image to 1/16 for 4×4 grids Contact-sheet view for side-by-side comparison of all results API and MCP server built for AI agents as first-class users Independent and self-funded operation First generation completely free with 20 signup credits
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	4 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	19	0
Citation Flow (Majestic)	25	0
Referring domains (Majestic)	82	0

4 details filled in for both companies.

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