# Castaly

> AI video and image generation studio with leading models, transparent pricing and a creator community

## en

- [Castaly — AI Video & Image Studio](https://castaly.ai/): Beyond imagination. Generate video and images with leading AI models. Compare specifications and pricing, control every parameter, or remix community work.
- [Castaly Community — Videos, Images & Prompts](https://castaly.ai/community/): Browse AI-generated video and images together with the prompts and settings behind them. Copy any prompt, or remix the work in your own studio.
- [Castaly Quickstart — Generate Images & Video](https://castaly.ai/docs/): Sign in with Modelflare, pick an image or video model, write a prompt, and pay per generation from a shared USD wallet. Save results and share them with the community.
- [Castaly Pricing — Pay per generation](https://castaly.ai/pricing/): Public prices for AI video and image models. Pay only for what you generate, with no subscription and no minimum.
- [Castaly for Enterprise — AI video & image at scale](https://castaly.ai/enterprise/): Higher limits, priority support and volume pricing for teams generating video and images through Castaly and the Modelflare API.
- [Castaly Blog — AI Video & Image Pricing and Guides](https://castaly.ai/blog/): Pricing breakdowns, model explainers and how-to guides for AI video and image generation, from the Castaly team.
- [AI Image Models Compared: Price and Features of All Ten Castaly Models](https://castaly.ai/blog/ai-image-models-compared/): GPT Image, Gemini, Seedream and Wan side by side: flat prices per image, how token-billed models estimate and settle, and which model fits which job.
- [AI Video Pricing Compared: What 5 Seconds Costs on Every Castaly Model](https://castaly.ai/blog/ai-video-pricing-compared/): One table for every video model in Castaly: per-second and token prices at 480p, 720p and 1080p, plus how length, audio and reference videos change the bill.
- [How Castaly Billing Works: Estimates, Holds, Refunds and Your Balances](https://castaly.ai/blog/castaly-billing-explained/): What happens between Generate and the final charge: the estimate, the hold, settlement and refunds, plus how paid and gift balances are shared and spent.
- [Image to Video: First Frames, Last Frames and Reference Images by Model](https://castaly.ai/blog/image-to-video-guide/): How Castaly's video models use a still as a first frame, a last frame or a reference, which models accept what, what it costs, and three examples from still to clip.
- [Kling 3.0, 3.0 Omni, 3.0 Turbo, O1, 2.6 and 2.5 Turbo Compared](https://castaly.ai/blog/kling-models-compared/): Six Kling video models side by side: per-second prices, what audio and reference videos add, lengths, 4K, and which references each one accepts.
- [Seedance 2.0 Mini, 2.0 Fast, 2.0 and 2.5 Compared: Price and Features](https://castaly.ai/blog/seedance-models-compared/): The four Seedance models count tokens the same way. How their rates, resolutions, lengths, references and edit workflows differ, with the price of real clips.
- [Vertical AI Video for TikTok, Reels and Shorts: Ratios and Costs by Model](https://castaly.ai/blog/vertical-video-guide/): Which Castaly video models offer 9:16, 3:4, 4:5 and 9:21, why a vertical clip costs the same as a horizontal one, and how to start from a tall still.
- [Generate AI Video from Code: One Modelflare Key for Every Castaly Model](https://castaly.ai/blog/video-api-guide/): Create, poll and download a video task with curl or Python, call the image models, and see how API billing shares your Castaly balance and prices.
- [How to Write AI Video Prompts: Seven Parts, Shown on Real Clips](https://castaly.ai/blog/video-prompt-guide/): The seven-part prompt structure behind our sample clips: shot type, place, subject, event, camera, light and finish, each shown with the exact prompt and its result.
- [Wan 3.0, Wan 3.0 Prime, Wan 2.7 and HappyHorse 1.1 Compared](https://castaly.ai/blog/wan-video-models-compared/): Alibaba's eight video models in Castaly: which ones handle text, images or references, how long they run, and what a clip costs at 720p and 1080p.
- [Seedance 2.5 Pricing: What Does One 5-Second Clip Cost?](https://castaly.ai/blog/seedance-2-5-pricing/): Seedance 2.5 bills by tokens, not seconds. The formula, what a 5-second clip costs at 480p, 720p and 1080p, and how holds, refunds and retries change the bill.

## zh

- [Castaly — AI 视频与图像创作平台](https://castaly.ai/zh/): 不止想象，让画面发生。用领先的 AI 模型生成视频与图像。比较模型规格与价格，精确控制每个参数，也可以从社区作品一键复刻。按实际用量计费，随时开始。
- [Castaly 社区 — AI 视频、图像与提示词](https://castaly.ai/zh/community/): 浏览 AI 生成的视频与图像作品，并看到背后的提示词与参数。复制任意提示词，在自己的创作台里重新演绎。
- [Castaly 快速上手 — 生成图像与视频](https://castaly.ai/zh/docs/): 使用 Modelflare 登录，选择图像或视频模型，编写提示词，按次从共享美元钱包付费。保存结果并分享到社区。
- [Castaly 定价 — 按生成付费](https://castaly.ai/zh/pricing/): AI 视频与图像模型的公开价格。只为实际生成付费，无订阅、无最低消费。
- [Castaly 企业版 — 规模化 AI 视频与图像生成](https://castaly.ai/zh/enterprise/): 为通过 Castaly 与 Modelflare API 规模化生成视频和图像的团队提供更高限额、优先支持与批量定价。
- [Castaly 博客 — AI 视频与图像的价格解析和使用指南](https://castaly.ai/zh/blog/): Castaly 团队撰写的 AI 视频与图像生成价格解析、模型解读和使用指南。
- [AI 图像模型横评：Castaly 十款模型的价格与功能](https://castaly.ai/zh/blog/ai-image-models-compared/): GPT Image、Gemini、Seedream 与 Wan 并排对比：按张计费的价格、按 token 计费模型如何预估和结算，以及什么任务该选哪款模型。
- [AI 视频价格横评：5 秒视频在每个 Castaly 模型上花多少钱](https://castaly.ai/zh/blog/ai-video-pricing-compared/): 一张表看完 Castaly 全部视频模型：480p、720p、1080p 下的按秒与按 token 价格，以及时长、音频和参考视频如何影响费用。
- [Castaly 计费详解：预估、预扣、退款与你的余额](https://castaly.ai/zh/blog/castaly-billing-explained/): 从点击生成到最终扣费之间发生了什么：预估、预扣、结算与退款，以及付费余额和赠送余额如何共用、按什么顺序扣除。
- [图生视频指南：各模型的首帧、尾帧与参考图用法](https://castaly.ai/zh/blog/image-to-video-guide/): Castaly 视频模型如何把静图用作首帧、尾帧或参考图，哪些模型支持哪些用法、费用多少，以及三个从静图到成片的完整示例。
- [可灵 Kling 3.0、3.0 Omni、3.0 Turbo、O1、2.6 与 2.5 Turbo 对比](https://castaly.ai/zh/blog/kling-models-compared/): 六款可灵视频模型并排对比：每秒价格、音频和参考视频的加价、时长、4K 支持，以及各自能接受哪些参考素材。
- [Seedance 2.0 Mini、2.0 Fast、2.0 与 2.5 对比：价格与功能](https://castaly.ai/zh/blog/seedance-models-compared/): 四款 Seedance 计算 token 的方式相同。本文对比它们的单价、分辨率、时长、参考素材和编辑工作流，并给出实际视频的价格。
- [竖屏 AI 视频指南：抖音、Reels 与 Shorts 的比例和各模型费用](https://castaly.ai/zh/blog/vertical-video-guide/): Castaly 哪些视频模型提供 9:16、3:4、4:5 和 9:21，为什么竖屏视频与横屏同价，以及如何从一张竖版静图开始生成。
- [用代码生成 AI 视频：一个 Modelflare 密钥调用所有 Castaly 模型](https://castaly.ai/zh/blog/video-api-guide/): 用 curl 或 Python 创建、轮询并下载视频任务，调用图像模型，并了解 API 计费如何与 Castaly 共用余额和价格。
- [AI 视频提示词怎么写：七个部分，配真实样片讲解](https://castaly.ai/zh/blog/video-prompt-guide/): 本站样片背后的七段式提示词结构：镜头类型、地点、主体、事件、镜头运动、光线和收尾，每一部分都配有原始提示词和生成结果。
- [Wan 3.0、Wan 3.0 Prime、Wan 2.7 与 HappyHorse 1.1 对比](https://castaly.ai/zh/blog/wan-video-models-compared/): Castaly 中来自阿里云的八款视频模型：哪些处理文本、图片或参考素材，最长能生成多久，以及 720p 和 1080p 下一段视频的价格。
- [Seedance 2.5 价格解析：一段 5 秒视频到底花多少钱？](https://castaly.ai/zh/blog/seedance-2-5-pricing/): Seedance 2.5 按 token 而不是按秒计费。本文给出计算公式、480p/720p/1080p 下 5 秒视频的费用，以及预扣、退款和重试如何影响账单。

[Full reference](https://castaly.ai/llms-full.txt)