Analysis & Guides
Everything we know about HappyHorse 1.0 and how it fits into the AI video generation landscape.
AI Video Model License Guide: What You Can Actually Do Commercially
Open source doesn't always mean free to use commercially. The licensing landscape for AI video models is more nuanced than most developers realize. Here's what matters for production use.
Best Open Source AI Video Generation Models Compared (April 2026)
The AI video generation landscape shifted dramatically in early 2026. Models that were state-of-the-art in late 2025 are now mid-tier at best. Here's where things stand based on Artificial Analysis Vi...
HappyHorse 1.0: The AI Video Model That Came From Nowhere
In early April 2026, a model called HappyHorse-1.0 appeared on the Artificial Analysis Video Arena leaderboard under a pseudonymous identity. Within hours it sat at #1 in both text-to-video and image-...
How to Run Open Source AI Video Models Locally (2026 Guide)
While HappyHorse-1.0 has no downloadable weights yet, several competitive open-source video models can be run locally today. This guide covers hardware requirements, setup, and practical tips.
Image-to-Video vs Text-to-Video: Which Open Source Models Win Each Category
HappyHorse-1.0 topped both the T2V and I2V leaderboards, but with a notably larger margin in image-to-video. This isn't a coincidence — the two tasks have different requirements, and models that excel...
Open Source Transformer Video Models: Architecture, Licenses, and Benchmarks
The video generation field is undergoing an architectural shift. HappyHorse-1.0's appearance at #1 on Artificial Analysis with a pure self-attention Transformer — no diffusion backbone, no cross-atten...