Credits are API usage points. Each estimate spends the full package on one service. You can mix services using the same balance. Estimates use purchased credits and exclude locked rewards.
GPT 2.5 image: 4 credits/image, about CNY 0.40/image.
Voiceovers round up per 100 Unicode characters, including punctuation and spaces. Short requests are billed separately; long scripts need multiple requests. Actual capacity depends on the quote, Key budget and delivered results.
Three things to know before starting
A Key authorizes calls
Your account Key connects your identity, scopes and budget. Keys share the account balance; a budget limit is not a top-up.
Quoting and generating are separate
Quotes do not generate or charge credits. Confirmation reserves the maximum charge and actual results determine settlement. Check uncertain tasks before generating again.
Use the media in your local project
Ask your creative tool to save generated or selected media in your local project. Personal media is usually retained for 30 days; download it in time. Check each third-party item’s license and attribution.