AI image generation API with ready-made Python and Node.js client libraries
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Stage
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Founded
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Based in
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Pricing model
Paid
Freemium
Pricing
$0.02 per image for Nano Banana 2.1 at 1K resolution, $0.02 for GPT Image 2, $0.04 for Nano Banana Pro at 1K, $0.07 at 4K. Pricing varies by model and resolution. No subscription required; users prepay balance in USDT.
Free: 2 trial images (Nano Banana 2 Lite at 1K, no account needed). Paid: Credit packs from $9.90 to $69.90. Costs: 25 credits at 1K, 35 at 2K, 75 at 4K, plus 2 credits per reference image. Starter Pack $9.90 (800 credits, ~32 images at 1K), Standard Pack $29.90 (2,600 credits, ~104 images at 1K), P
Key features
Automatic idempotency key management
Automatic polling with configurable intervals
Retry logic for dropped connections and rate limiting
Webhook signature verification
Decimal and string representations for financial amounts
Exception classes for error handling
Support for Python 3.11+ and Node.js 22+
TypeScript support
4K text-to-image generation with lifelike skin and coherent backgrounds
Precise local edits to recolor, remove objects or swap elements
Product recontextualization into any setting
Readable text rendering for signs, posters and infographics
14-image fusion to combine people, outfits and styles
Consistent character generation across multiple images
14 aspect ratios from 1:8 to 8:1
Up to 14 reference images per request as JPG, PNG or WebP
Commercial use rights with SynthID watermark
No API key or code required; browser-based access
What makes it different
Refund for failed requests automatically credited to balance
Up to 70% cheaper than official Google and OpenAI prices
No subscription or monthly fees, pay-as-you-go model
Libraries handle boilerplate code automatically
3x faster than previous Flash image models
Removes tiling artifacts on wide and panoramic formats at 2K and 4K
Natural character consistency maintained across series while keeping other elements stable
Accurate text rendering in quotes for direct spelling control
Pay-per-use credits with automatic refunds for failed generations
Rendergrid
nanobanana 2.1