Short answer: GLM 5.3 FlashX is 151x cheaper (0.086¢ vs 13.05¢ a chat). Fugu Ultra v2 ranks higher overall (#18 vs #19). Fugu Ultra v2 wins at writing. Pick GLM 5.3 FlashX for everyday use and Fugu Ultra v2 when quality matters most.


| Fugu Ultra v2 | GLM 5.3 FlashX | |
|---|---|---|
| Cost per chat (NZD) | 13.05¢ | 0.086¢ |
| Chats per NZ$1 | 7 | 1,157 |
| Overall rank | #18 | #19 |
| Vendor | Sakana AI | Z.ai |
| Speciality | Code | Reasoning |
| Crowd Elo | no votes | 1012 |
| Reasoning | 56 | 56 |
| Code | 50 | 50 |
| Math | 52 | 52 |
| Writing | 90 | 54 |
| Instruction | 54 | 54 |
Scores are 0 to 100 percentiles blending LMArena, Epoch AI, Artificial Analysis and CrapGPT's own tests. Updated 2026-10-11.
GLM 5.3 FlashX costs 0.086¢ per typical chat versus 13.05¢ for Fugu Ultra v2 on CrapGPT (NZD, measured token use).
Fugu Ultra v2 ranks higher overall on CrapGPT's blended benchmark score. By category: Fugu Ultra v2 leads at writing.
Yes. CrapGPT's card battle sends one prompt to two models and lets you pick the winner, paying only for the two replies.
Battle them yourself Fugu Ultra v2 details · GLM 5.3 FlashX details