Compare Veo 3.1 Fast from Google and Avatar IV from heygen on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Veo 3.1 Fast and Avatar IV are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Veo 3.1 Fast, from Google, is priced from $0.10/second on OpenRouter.
Avatar IV, from heygen, is priced at $0.05/second on OpenRouter.