# Guides

> Practical write-ups for developers putting realtime video and world models into a product.

Source: https://windflow.online/guides

- [How per-second pricing works for realtime video, with worked examples](https://windflow.online/guides/how-per-second-pricing-works): Understand ready-second video API billing, compare model rates and estimate session costs. Queueing and startup are free; release sessions to stop billing. Updated 2026-10-11.
- [How to add live AI video to your app and pay per second](https://windflow.online/guides/add-live-ai-video-to-your-app): Add live AI video to your product: choose a model, connect a session, stream frames, send controls and estimate ready-second costs with Windflow. Updated 2026-10-11.
- [How to host LingBot-World as a realtime API](https://windflow.online/guides/host-lingbot-world-api): Run LingBot-World through a hosted API or evaluate self-hosting. Learn seed inputs, persistent movement, session costs and checks for an interactive app. Updated 2026-10-11.
- [How to measure realtime video API latency and responsiveness](https://windflow.online/guides/measure-realtime-video-latency): Measure first-frame time, control-to-visible delay, delivered FPS and stalls. Evaluate a realtime video or world model through the client your users see. Updated 2026-10-11.
- [How to turn an open-source video model into a realtime API](https://windflow.online/guides/turn-an-open-source-video-model-into-a-realtime-api): Prepare a video model for a hosted realtime API: licensed weights, repeatable inference, streaming transport, session controls and measured performance. Updated 2026-10-11.
- [Realtime AI video on AMD GPUs: reading MI355X benchmarks](https://windflow.online/guides/realtime-video-generation-amd-gpus): Read Windflow's AMD MI355X video inference measurements with the right context: GPU count, resolution, generated windows, edit latency and runtime limits. Updated 2026-10-11.
- [Realtime video API: generate, edit and control live AI video](https://windflow.online/guides/realtime-video-api): Choose a realtime video API for continuous generation, webcam editing or interactive worlds. Compare controls, latency, session lifecycle and usage costs. Updated 2026-10-11.
- [Streaming a video diffusion model to the browser: WebRTC or WebSocket?](https://windflow.online/guides/stream-video-diffusion-webrtc-websocket): Deliver streaming video diffusion to the browser with WebRTC or WebSocket. Understand generation chunks, network trade-offs and visible latency. Updated 2026-10-11.
- [World model API: embed a navigable AI world in your app](https://windflow.online/guides/world-model-api): Embed navigable AI worlds with a hosted world model API. Compare LingBot, Matrix-Game, DreamX and ABot inputs, movement controls and integration limits. Updated 2026-10-11.