GLM 5.3 Flash is a Z.ai model that specialises in reasoning. On CrapGPT a typical chat costs 0.040¢, 8.4x cheaper than the median model, so NZ$1 buys about 2,505 chats. It ranks #10 of 25 for overall ability and scores highest at following instructions. Reasoning model at a fraction of the price.
| True cost per chat | 0.040¢ NZD |
|---|---|
| API list price | $0.15 input / $0.5 output per 1M tokens (USD) |
| Speciality | Reasoning |
| Vendor | Z.ai |
| Data sources | 4 |
Scores blend every source we can match (LMArena, Epoch AI, Artificial Analysis and CrapGPT's own tests), each converted to a percentile against the current field. Updated 2026-10-11.
GLM 5.3 Flash vs OpenAI o3GLM 5.3 Flash vs Ling 3.0 Flash VLGLM 5.3 Flash vs Claude Sonnet 5GLM 5.3 Flash vs DeepSeek V4.1 FlashGLM 5.3 Flash vs Step 3.7 Flash
About 0.040¢ NZD per typical chat on CrapGPT, based on measured token use. The API list price is $0.15 per million input tokens and $0.5 per million output tokens (USD). There is no subscription.
Yes. GLM 5.3 Flash is included in CrapGPT's free daily allowance, no sign-up needed.
Its strongest category is following instructions (score 78, #7 on CrapGPT), followed by agentic tasks (77). Scores blend public benchmarks and our own tests on one 0 to 100 scale.
Ling 3.1 Flash costs 0.021¢ a chat with similar overall ability (81 vs 68).