Ant Group open-sources 560-billion-parameter Ling-3.1-flash AI model

Ant Group has released the weights of Ling-3.1-flash, making its AI model available for developers to deploy on their own infrastructure. The model has approximately 560 billion total parameters, activates about 25 billion per token and supports a context window of up to one million tokens. The release follows the model’s earlier introduction and includes deployment support through inference frameworks such as SGLang and vLLM.