ByteDance releases Doubao 4.0 super model

📢 ByteDance releases Doubao 4.0 super model, 5T parameters

2026-07-15 14:00 – ByteDance Official – ByteDance held AI Developer Conference today, launching the new generation super large language model Doubao 4.0.

• Performance: 5 trillion parameters, new MoE architecture, 400% faster inference
• Multimodal: 1MP image understanding, 30min video support, 48kHz audio
• Context: 8M token context window, about 6 million characters
• Availability: API open today, 100M tokens free trial

“Doubao 4.0 marks a key step towards AGI. We will invest $50B+ in AI infrastructure in 3 years.” – Liang Rubo, ByteDance CEO

Analysts say this will intensify the LLM market competition. Baidu and Alibaba announced similar model plans.