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Compare Nano Banana from $0.02/image, Nano Banana Pro at $0.09/image, and 1K/2K/4K output in the browser. When the prompt is stable, use a laozhang.ai API key, logs, and order records for production validation.
Run text-to-image, reference-image editing, text-to-video, and image-to-video from the homepage workbench.
Start prompt tests from $0.02/image, then move text, product, and 4K work to Nano Banana Pro.
Before production load, record success rate, P95, 429s, retries, and actual billing on real prompts.
Shown prices are provider-route estimates for planning. Check balance, pricing, model access, concurrency, and limits in the account page before production.
gemini-2.5-flash-imagegemini-3-pro-imagegemini-3.1-flash-imagegpt-image-2-vipwan2.7-t2vwan2.7-i2vveo-3.1-fast-generate-previewveo-3.1-generate-previewgemini-2.5-flash-imagegemini-3-pro-imagegemini-3.1-flash-imagegpt-image-2-vipwan2.7-t2vwan2.7-i2vveo-3.1-fast-generate-previewveo-3.1-generate-previewYingTu helps you decide whether a model fits the job. Before production, run the same prompt set with a laozhang.ai API key and verify current price, model access, concurrency behavior, call logs, order records, and charges.
Nano Banana is the lowest-cost route shown here, so it is the first model to try for cheap online image generation and prompt iteration.
Test the prompt and reference images on YingTu first, then create a pay-per-request API key on laozhang.ai. Before production, confirm balance, price, model availability, and limits.
Do not plan from an unlimited-capacity assumption. First run 20 to 50 real prompts and record success rate, P95, 429s, retries, and actual charges.
Test laozhang.ai when OpenAI-compatible calls, local payment, logs, order review, Chinese support, POC speed, or a fallback lane solves the real API job. Use Google direct when first-party ownership matters more.