VELIN vs GreenOnion
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
VELIN compared with GreenOnion
| Detail | 
VELIN | 
GreenOnion |
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| What it does | Pay-per-image AI image generation API
| AI product image generator that turns one phone photo into complete ecommerce image sets
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Paid
| Paid
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| Pricing | Standard models (Nano Banana Pro, Nano Banana 2, Nano Banana 2.1, GPT Image 2, GPT Image 2.5 Flare, GPT Image 2.5 Sunburst): ¥0.25 ($0.037) per image at 1K/2K/4K. Premium models (Nano Banana Pro+, Nano Banana 2+): ¥0.35 ($0.052). Image 2.5 Mid: ¥0.10 ($0.015) at 1K only. HD models (GPT Image 2 HD, G
| Creator: $19/month with 60 credits (30-60 images); Professional: $49/month with 180 credits (90-180 images); Enterprise: $149/month with 600 credits (300-600 images). Images cost 1 credit for 2K or 2 credits for 4K.
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| Key features | - 12 image generation models including Nano Banana Pro, Nano Banana 2, GPT Image 2, and GPT Image 2.5 variants
- Support for 1K, 2K, and 4K resolutions
- Up to 14 reference images per request
- Asynchronous REST API with single API key
- Failed generations not charged
- Automatic deletion of prompts and images after 10 hours
- Card and USDT payment options
| - Amazon listing images from one phone photo
- Amazon A+ Content generator with hero images, banners, and brand story modules
- Etsy product images with handmade-style feel
- Shopify product images matching DTC brand style
- AI fashion model photography from one garment photo
- AI product photography with custom backgrounds and lifestyle scenes
- Image text and headlines written automatically
- Translate product images into 15 marketplace languages
- AI generates high-converting product images in about 60 seconds
- Create AI product videos from product photos
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| What makes it different | - Pay-per-image pricing with no subscriptions or minimums
- Access to Google Nano Banana and OpenAI GPT Image models
- Low cost starting from $0.037 per image
- Cryptocurrency payment option with USDT
- Support for multiple payment methods including Stripe and Apple Pay
| - No prompts or design skills required—upload a photo and get complete image sets instantly
- Generates complete platform-optimized image sets in about 60 seconds from one photo
- AI-generated images are production-ready with automatic copy, headlines, and layout optimization
- Supports 20+ countries and 15 marketplace languages with bulk translation of product images
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ● no change since last check | 43 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 0 | 3 |
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| Citation Flow (Majestic) | 17 | 25 |
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| Referring domains (Majestic) | 4 | 45 |
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5 details filled in for both companies.
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