Seedance 2.5 vs Avatar IV: side-by-side summary

Seedance 2.5 and Avatar IV are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Seedance 2.5, from bytedance, is priced from $0.1028/second on OpenRouter.

Avatar IV, from heygen, is priced at $0.05/second on OpenRouter.

Context window

• Seedance 2.5: Not published
• Avatar IV: Not published

Price

• Seedance 2.5: from $0.1028/second
• Avatar IV: $0.05/second

Provided by

• Seedance 2.5: bytedance
• Avatar IV: heygen

• Seedance 2.5 model details, providers and pricing
• Avatar IV model details, providers and pricing