AI Image Models Compared: Price and Features of All Ten Castaly Models
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.
Castaly
AI video and image models, explained
Pricing breakdowns, model explainers and how-to guides for AI video and image generation, from the Castaly team.
AI Video Pricing Compared: What 5 Seconds Costs on Every Castaly Model
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
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
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
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
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
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
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
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
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?
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.