The Trillion-Parameter Dilemma: MiMo-V2.5-Pro Open-Sourced at 1.02T Parameters

The Trillion-Parameter Dilemma: MiMo-V2.5-Pro went open-source (1.02T params). Is self-hosting worth it when the API costs $70 for 387M tokens?

Xiaomi open-sourced MiMo-V2.5-Pro with 1.02T parameters, 42B active parameters, a 1M context window, and an MIT license; the author ran 125 Claude Code sessions through the API, spending $70.12 for 387,380,436 tokens with a 96.3% cache hit rate.

Why it matters: HKR-H/K/R all pass: a Xiaomi 1.02T open model plus a concrete Claude Code API cost experiment. Reddit sourcing keeps it at the low end of the 85+ band, but the domestic flagship-model signal clears p1.