Verdict
Built from the measurements below
- Accuracy is too close to call: MiMo-V2.6-Flash scored 62.5% and MiMo-V2.6-Pro 68.8% on the same 80 questions, a gap within what chance alone could produce.
- MiMo-V2.6-Flash is 3.5× cheaper per question as billed ($0.00056 vs $0.002), reasoning tokens included.
- MiMo-V2.6-Flash generates text 1.3× faster: 77 tokens per second against 58.
- MiMo-V2.6-Flash starts answering sooner: 0.4 s to the first token, against 0.7 s for MiMo-V2.6-Pro.
Which should you choose?
Choose MiMo-V2.6-Flash for the lower cost per correct answer ($0.0009 against $0.0029), faster streaming, a quicker first token and more hosts to choose from on OpenRouter (10 against 5).
Accuracy gap -6.3 points (z = -0.83). We call a winner only when z is at least 1.96, the usual 95% threshold. Speed, latency and price need a 10% margin.