Xiaomi MiMo-V2.6 Flash vs Union Alpha (Stealth)
A direct, empirical evaluation of Xiaomi MiMo-V2.6 Flash (Xiaomi AI Lab) against Union Alpha (Stealth) (OpenRouter & OpenCode).
Xiaomi MiMo-V2.6 Flash
Developed by Xiaomi AI Lab · 185 Billion (Sparse MoE) parameters
Low-latency agent loops, high-volume classification, and developer code completion.
Union Alpha (Stealth)
Developed by OpenRouter & OpenCode · Multi-Model Ensemble Mixture parameters
Terminal coding agents, pull-request synthesis, multi-model consensus verification, and zero-cost autonomous refactoring.
| Metric | Xiaomi MiMo-V2.6 Flash | Union Alpha (Stealth) |
|---|---|---|
| SWE-bench Verified | 64.2% | 74.2% |
| MMLU-Pro | 82.4% | 89.8% |
| MATH-500 | 89.5% | 95.4% |
| Context Window | 128,000 tokens | 256,000 tokens |
| Input Pricing (per 1M) | $0.04 | $0.00 |
| Output Pricing (per 1M) | $0.08 | $0.00 |