Xiaomi MiMo-V2-Pro Revealed as 'Hunter Alpha' — Mystery 1T-Param Agent Model That Processed 160B Tokens Free on OpenRouter

Technology.org·high signal

Hunter Alpha, a 1-trillion-parameter model with 1M context window listed anonymously on OpenRouter on March 11 and described as 'a heavy engine for agentic tasks,' was revealed on March 19 to be an early internal test build of Xiaomi's MiMo-V2-Pro. Speculation had centered on DeepSeek V4 due to matching leaked specs. The model processed over 160B tokens in its first week while offered completely free, making it one of the fastest stress-tests of a model at this scale.