ShimmerPic vs GridBulk

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

ShimmerPic compared with GridBulk
Detail	ShimmerPic	GridBulk
What it does	Create and edit images with GPT Image 2.5 in your browser	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	US	Not given
Pricing model	Paid	Freemium
Pricing	Free: 15 credits for new accounts. One-time packs: Starter pack $2.99 (60 credits), Creator pack $5.99 (140 credits), Studio pack $12.99 (300 credits), Pro pack $25.99 (667 credits). Monthly subscriptions: Starter $2.50/month (80 credits), Creator $5.00/month (200 credits), Studio $10.83/month (500	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	Compare Flare and Sunburst models side by side Edit images by describing changes across multiple turns Upload up to three reference photos per image Six aspect ratios from 1:1 to 9:16 Three resolution tiers: 1K, 2K, and 4K Library of 531 community prompts Animate images into 5-10 second videos Remove watermarks with paid accounts Private image storage until download or share	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	No API key required to use GPT Image 2.5 models Pay only for what you make with credit-based pricing Flare model 50% faster than GPT Image 2 Same credit cost for both Flare and Sunburst models All images remain private in user's creations	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)	51 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	12	0
Citation Flow (Majestic)	33	0
Referring domains (Majestic)	146	0

5 details filled in for both companies.

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