DeepSeek: DeepSeek V4.1 Flash 1017 vs Z.ai: GLM 5.3 Flash
deepseek vs z-ai
On price, Z.ai: GLM 5.3 Flash is cheaper (blended cost is about 0.90× that of DeepSeek: DeepSeek V4.1 Flash 1017).
On capability, DeepSeek: DeepSeek V4.1 Flash 1017 has the higher intelligence index (45) — better for complex reasoning.
Verdict: pick Z.ai: GLM 5.3 Flash on a budget, or DeepSeek: DeepSeek V4.1 Flash 1017 for output quality. Full details below.
Side-by-Side Specs
| Metric | DeepSeek: DeepSeek V4.1 Flash 1017 | Z.ai: GLM 5.3 Flash |
|---|---|---|
| Input /1M | $0.15 | $0.15 |
| Output /1M | $0.60 | $0.50 |
| Blended (3:1) | $0.26 | $0.24 |
| Context | 1.0M | 1.0M |
| Intelligence | 45 | 42 |
| Coding | — | 72 |
| Math | — | — |
| Speed | 186 tok/s | 64 tok/s |
| CPS Grade | A | A |
FAQ
Which is cheaper, DeepSeek: DeepSeek V4.1 Flash 1017 or Z.ai: GLM 5.3 Flash?
On price, Z.ai: GLM 5.3 Flash is cheaper (blended cost is about 0.90× that of DeepSeek: DeepSeek V4.1 Flash 1017). DeepSeek: DeepSeek V4.1 Flash 1017: $0.15 in / $0.6 out; Z.ai: GLM 5.3 Flash: $0.15 in / $0.5 out (per 1M tokens).
Which is smarter, DeepSeek: DeepSeek V4.1 Flash 1017 or Z.ai: GLM 5.3 Flash?
On capability, DeepSeek: DeepSeek V4.1 Flash 1017 has the higher intelligence index (45) — better for complex reasoning. Coding index: DeepSeek: DeepSeek V4.1 Flash 1017 — vs Z.ai: GLM 5.3 Flash 72.
Which one should I choose?
Verdict: pick Z.ai: GLM 5.3 Flash on a budget, or DeepSeek: DeepSeek V4.1 Flash 1017 for output quality. Full details below.