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AI Engineering
AI Engineering
Feb 13, 2026 · Artificial Intelligence

ByteDance’s Open‑Source 12B‑Parameter Video Model “Alive” Runs on a Single RTX 3090/4090

ByteDance has open‑sourced the 12‑billion‑parameter video generation model Alive, which supports text‑to‑video/audio, image‑to‑video/audio, pure text‑to‑video and text‑to‑audio modes, runs on a 24 GB GPU, outperforms competitors in cross‑modal synchronization, and includes novel TA‑CrossAttn and UniTemp‑RoPE techniques.

Alive ModelByteDanceCross‑Modal Synchronization
0 likes · 5 min read
ByteDance’s Open‑Source 12B‑Parameter Video Model “Alive” Runs on a Single RTX 3090/4090
AI Frontier Lectures
AI Frontier Lectures
Mar 14, 2025 · Artificial Intelligence

Open-Sora 2.0: How an 11B Open-Source Model Beats Closed-Source Video AI at 720p

Open‑Sora 2.0, an open‑source 11‑billion‑parameter video generation model, delivers 720p 24 fps videos with visual quality and text‑image alignment comparable to proprietary systems like HunyuanVideo and Step‑Video, while cutting training costs to $200 k using only 224 GPUs, and the release includes full code, weights, and a Gradio demo.

3D autoencoderAIMMDiT
0 likes · 7 min read
Open-Sora 2.0: How an 11B Open-Source Model Beats Closed-Source Video AI at 720p
NewBeeNLP
NewBeeNLP
Mar 14, 2025 · Artificial Intelligence

How Open‑Sora 2.0 Achieves SOTA Video Generation with Only $200K Training Cost

Open‑Sora 2.0 is an open‑source 11B‑parameter video generation model that matches commercial SOTA performance while being trained on 224 GPUs for just $200,000, thanks to a 3D auto‑encoder, MMDiT architecture, aggressive data filtering, low‑resolution pre‑training, and highly optimized parallel training techniques.

AI modelMMDiTOpen-Sora
0 likes · 9 min read
How Open‑Sora 2.0 Achieves SOTA Video Generation with Only $200K Training Cost