Nano Banana 2 API Pricing: $0.045–$0.151 per Image (Deprecated)
Nano Banana 2 (gemini-3.1-flash-image) costs $0.067 per 1K image and $0.151 per 4K, half on Batch. It is deprecated; Nano Banana 2.1 costs half at 1K and 2K.
16 min
AI Image Generation · Page 3 of 6
AI image generation guides: comparing image models and APIs, prompt techniques, per-image pricing and free options, editing workflows, and fixes for failed generations.
- 121 articles
- Updated Nov 8, 2026
Nano Banana Pro Errors & Troubleshooting: Which Codes to Retry
Nano Banana Pro (gemini-3-pro-image) error codes split three ways: retry 429 and 5xx with backoff, fix 400–404 first, and rewrite prompts for IMAGE_SAFETY.
25 min
Nano Banana Pro Seed Parameter: Support and Reproducible Image Workflows
Nano Banana Pro seed support depends on the interface: Google documents a general seed field, while Ideogram and Runware document it for their Pro offerings. Reuse the approved file for an exact repeat; use references and explicit change instructions for new scenes.
12 min
Nano Banana 2 503 “Model Is Overloaded”: Retry, Pause, or Queue
For a confirmed Nano Banana 2 503 response, retry with jitter within an attempt and time budget. Keep the image workflow intact, verify image output, and defer work when recovery cannot fit the deadline.
11 min
Nano Banana Pro Risk Control: Blocks, Rate Limits and Suspension
A blocked prompt or a 429 error is not an account penalty. Google acts on accounts for policy violations: email, temporary limits, suspension, then closure.
14 min
Nano Banana Pro for Ecommerce Product Photography: Complete Guide + IMAGE_SAFETY Solutions (2026)
Nano Banana Pro (Gemini 3 Pro Image) transforms ecommerce product photography by generating studio-quality images from mobile snapshots with official output pricing from $0.134 per image or LaoZhang billing of $0.09 per call. This guide covers the complete workflow from API setup to production pipeline, with dedicated sections on diagnosing and solving IMAGE_SAFETY errors that block legitimate fashion and apparel photography.
22 min
Nano Banana Pro Person Swap Prompt: Face Swap, Full Body, Consent
Label Image 1 as the identity and Image 2 as the scene, swap only the face or the whole person, and keep the rest. Only for photos you have consent to edit.
14 min
Nano Banana Pro Safety Filters: What You Can and Can't Change
Nano Banana Pro's adjustable safety filters are Off by default. IMAGE_SAFETY, PROHIBITED_CONTENT and OTHER blocks come from checks no setting changes.
14 min
Gemini Downloading the Wrong Image? How to Save the Right One
If Gemini's Download full size saves an older, uploaded or garbled file, you can still save the image in the chat. Google hasn't published a cause or a fix.
10 min
Nano Banana 2 Free 4K: Free Is 1K, and 4K Costs $0.055–$0.151
No Google option gives Nano Banana 2 4K for free: without a plan the Gemini app downloads at 1K. Native 4K is paid API output at $0.055–$0.151 per image.
13 min
Nano Banana Pro Error 5: 3 Checks for Something Went Wrong (5)
Gemini's Something went wrong (5) has no published meaning. Try Flash, the mobile app, and a second account to see if the fault is local or on Google's side.
10 min
Gemini Image to 3D Model: No GLB Export, 3 Tested Routes
Gemini makes the image, not the mesh. Asked for a GLB or STL on October 2, 2026, it declined. A converter, a code-written STL and a 3D viewer each got partway.
15 min
Gemini Image vs Canvas: Same Prompt Tested, Which to Use
Gemini's image tool returns a picture with the text baked in; Canvas returns a page with live text. Choose by what you hand over and what you'll edit later.
12 min
GPT Image Transparent Background: Fix a Baked-In Checkerboard
If the gray-and-white squares stay when the image sits on a colored background, they are painted pixels. Check the saved file, then fix it where it was made.
14 min
Seedream 5.0 Pro Layer Decomposition API Tutorial: PNGs to PSD
One POST with layer_decomposition: true returns a base image plus up to 16 PNG layers. Each image is billed, and the restack is not a pixel copy.
15 min
Does ChatGPT Save Your Photos? Where Uploads Go and How to Delete
Yes. ChatGPT keeps an uploaded photo in the chat, and often in Library, until you delete it. Training depends on one setting; deletion finishes within 30 days.
10 min
GPT Image 2.5 in ComfyUI: Setup, Cost per Run, and Fixes
GPT Image 2.5 runs in ComfyUI 0.35.0+ as a Partner Node billed in Comfy credits, not an OpenAI key. A 1024×1024 image costs about $0.0084 at low quality.
14 min
GPT Image 2.5 in n8n: When the OpenAI Node Isn't Enough
n8n's OpenAI node runs GPT Image 2.5 up to high quality and 1536 px but drops token usage. For xhigh, 4K, transparency or URL replies, use HTTP Request.
12 min
GPT Image 2.5 Sunburst vs Flare: Which to Use, by the Numbers
Start with Flare for drafts and volume; use Sunburst when an edit must keep a product or layout intact. Same cost per attempt; tests put Flare 25–45% faster.
11 min
How to Make an Image Transparent (and Check It Actually Is)
Use a one-color tool for flat logos, a background remover for photos, and ChatGPT for new art. Save as PNG, then test it on a dark background before sending.
13 min
Nano Banana Pro vs Seedream 5.0 Pro: Which to Run First
No single winner: Seedream 5.0 Pro costs less per standard 2K attempt and outputs layers; Nano Banana Pro alone offers 4K, 14 references and Search grounding.
16 min
Is Qwen-Image-2.1 Uncensored? Filters, License, and the Law
Official Qwen-Image-2.1 weights have no safety checker; Alibaba-hosted versions filter prompts. The “Uncensored GGUF” is the same model, still non-commercial.
12 min
GPT Image 2.5 Flare vs Sunburst vs GPT Image 2: Which to Run
Test Flare first if GPT Image 2 already passes, Sunburst if not, and keep GPT Image 2 for Batch. Token rates match; the same quality label buys less on 2.5.
15 min
Nano Banana 2 Subscription Price: What Google AI Plans Change
No Nano Banana 2 subscription exists. As of September 2026, US users pay through Google AI Plus, Pro or Ultra; past about 300 images a month the API costs less.
13 min