Short answer: MiMo V2.5 is 35x cheaper (0.018¢ vs 0.63¢ a chat). OpenAI o3 ranks higher overall (#5 vs #10). OpenAI o3 wins at coding, following instructions, agentic tasks. Pick MiMo V2.5 for everyday use and OpenAI o3 when quality matters most.


| OpenAI o3 | MiMo V2.5 | |
|---|---|---|
| Cost per chat (NZD) | 0.63¢ | 0.018¢ |
| Chats per NZ$1 | 159 | 5,549 |
| Overall rank | #5 | #10 |
| Vendor | OpenAI | Xiaomi |
| Speciality | Math | General |
| Crowd Elo | no votes | 1000 |
| Reasoning | 73 | 73 |
| Code | 83 | 62 |
| Instruction | 79 | 74 |
| Agentic | 71 | 55 |
Scores are 0 to 100 percentiles blending LMArena, Epoch AI, Artificial Analysis and CrapGPT's own tests. Updated 2026-10-13.
MiMo V2.5 costs 0.018¢ per typical chat versus 0.63¢ for OpenAI o3 on CrapGPT (NZD, measured token use).
OpenAI o3 ranks higher overall on CrapGPT's blended benchmark score. By category: OpenAI o3 leads at coding, following instructions, agentic tasks.
Yes. CrapGPT's card battle sends one prompt to two models and lets you pick the winner, paying only for the two replies.