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| 2 models | fal-aiFlashheadRemove × | lightricksLtx 2.5 Text to Video FastRemove × |
|---|---|---|
| What’s different | SoulX-FlashHead is a unified 1.3B-parameter framework designed for high-fidelity, infinite-length, and real-time streaming portrait video generation. | Up to 20s at 1080p/25fps; 4K or 50fps clips cap at 10s. Includes camera-motion controls and optional generated audio. |
| Date | Mar 12, 2026Listed | Aug 11, 2026Released |
API prices USD · provider configuration shown below | ||
| Listed rate | $0.005/ secondfal · all routes ↗ | See provider quotes |
| Provider endpoints | 1 endpoint → | 0 endpoints → |
Benchmarks Each result retains its evaluation configuration | ||
| AA Video + Audio ↗2.1 | Not reported | 950.79 ↗Text-to-video · audio evaluated · all categoriesIndependent result95% CI 932.79–968.79 · n=2,763 |
| AA Video Silent ↗2.1 | Not reported | 932.71 ↗Text-to-video · silent evaluation · all categoriesIndependent result95% CI 914.71–950.71 · n=2,971 |
Specifications | ||
| Context window | — | — |
| Max output | — | — |
| Parameters | — | — |
| Open weights | Not reported | Supported |