{"id":1066,"date":"2025-09-18T05:06:54","date_gmt":"2025-09-18T09:06:54","guid":{"rendered":"https:\/\/www.glbgpt.com\/hub\/?p=1066"},"modified":"2026-06-18T11:52:06","modified_gmt":"2026-06-18T15:52:06","slug":"is-nano-banana-api-free","status":"publish","type":"post","link":"https:\/\/wp.glbgpt.com\/jp\/hub\/is-nano-banana-api-free","title":{"rendered":"Is Nano Banana API Free? Current Pricing, Limits, and Setup Steps"},"content":{"rendered":"

TShort answer: the Nano Banana API is not fully free for production image generation.<\/strong> You can experiment with Nano Banana in Google AI Studio and some Gemini API models have free-tier access, but Google’s current pricing table lists paid API pricing for the main Nano Banana image-generation models. For apps, commercial workflows, or steady image generation, expect to set up billing and manage rate limits.<\/p>\n\n\n\n

There is one important update for 2026: Nano Banana is no longer just one model name.<\/strong> In Google’s current documentation, Nano Banana refers to Gemini’s native image generation capabilities across several models, including Nano Banana 2, Nano Banana Pro, and the earlier Nano Banana image model.<\/p>\n\n\n\n

If you simply want to create images without managing an API key, billing, or model limits, you can use Nano Banana Pro or Nano Banana 2 inside GlobalGPT. If you are building an app, use the Gemini API and check the official Google pricing and rate-limit pages before launch.<\/p>\n\n\n\n

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Quick Answer: What Is Free and What Is Paid?<\/h2>\n\n\n\n
\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/th>Is it free?<\/th>\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u3053\u3068<\/th><\/tr><\/thead>
Trying Nano Banana in Google AI Studio<\/td>Often available for experimentation<\/td>Good for testing prompts and learning the workflow. Availability can vary by model and account.<\/td><\/tr>
Gemini API free tier<\/td>\u9650\u5b9a<\/td>Google offers free access for certain models and small projects, but not every model or route has a free tier.<\/td><\/tr>
Nano Banana image API for production<\/td>Usually paid<\/td>Current official pricing lists paid image-generation costs for Nano Banana image models.<\/td><\/tr>
Commercial app integration<\/td>\u6709\u6599<\/td>Set up billing, monitor usage, and design around rate limits.<\/td><\/tr>
GlobalGPT image generation<\/td>Plan-based<\/td>Use GlobalGPT if you want model access without building a direct Gemini API integration.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

What Counts as the Nano Banana API?<\/h2>\n\n\n\n

Nano Banana is the name Google uses for Gemini’s native image generation and editing capabilities. It can generate images from text prompts, edit uploaded images with natural language, and iterate on visuals conversationally.<\/p>\n\n\n\n

Current Nano Banana model naming:<\/p>\n\n\n\n

Common name<\/th>Gemini API model ID<\/th>\u30d9\u30b9\u30c8\u30d5\u30a3\u30c3\u30c8<\/th><\/tr><\/thead>
\u30ca\u30ce\u30d0\u30ca\u30ca2<\/td>gemini-3.1-flash-image<\/code><\/td>Fast, high-volume image generation and interactive workflows<\/td><\/tr>
\u30ca\u30ce\u30d0\u30ca\u30ca\u30d7\u30ed<\/td>\u30b8\u30a7\u30df\u30cb-3-\u30d7\u30ed\u30a4\u30e1\u30fc\u30b8<\/code><\/td>Professional asset generation, complex instructions, stronger text rendering<\/td><\/tr>
\u30ca\u30ce\u30d0\u30ca\u30ca<\/td>gemini-2.5-flash-image<\/code><\/td>Lower-cost image generation and editing, up to 1024 x 1024px output pricing in the official table<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

All generated images include SynthID watermarking according to Google’s Nano Banana documentation.<\/p>\n\n\n\n

Current Nano Banana API Pricing<\/h2>\n\n\n\n

Pricing changes often, so do not rely on old screenshots or generic “per image” numbers. Use this table as a page-level summary and keep a link to Google’s official pricing page near it.<\/p>\n\n\n\n

\u30e2\u30c7\u30eb<\/th>Standard paid input price<\/th>Standard paid image output price<\/th>Free tier shown for this image model?<\/th><\/tr><\/thead>
gemini-2.5-flash-image<\/code><\/td>$0.30 per 1M text\/image input tokens<\/td>$0.039 per image up to 1024 x 1024px<\/td>Not available in the pricing table<\/td><\/tr>
gemini-3.1-flash-image<\/code><\/td>$0.50 per 1M text\/image input tokens<\/td>$0.067 per 1K image, $0.101 per 2K image, $0.151 per 4K image<\/td>Not available in the pricing table<\/td><\/tr>
\u30b8\u30a7\u30df\u30cb-3-\u30d7\u30ed\u30a4\u30e1\u30fc\u30b8<\/code><\/td>$2.00 per 1M text\/image input tokens<\/td>$0.134 per 1K\/2K image, $0.24 per 4K image<\/td>Not available in the pricing table<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

For batch generation, Google lists lower image output prices for several models. For example, gemini-2.5-flash-image<\/code> batch output is listed at $0.0195 per image, while gemini-3.1-flash-image<\/code> batch output is listed at $0.034 per 1K image, $0.050 per 2K image, and $0.076 per 4K image.<\/p>\n\n\n\n

The practical takeaway: Nano Banana can be inexpensive, but “free API” is the wrong assumption for production.<\/strong> Build a small pricing calculator around image count, resolution, input tokens, retry rate, and whether you use standard, batch, flex, or priority routes.<\/p>\n\n\n\n

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