Google: Gemini 3.8 Flash vs Z.ai: GLM 5.2
google vs z-ai
On price, Google: Gemini 3.8 Flash is cheaper (blended cost is about 0.97× that of Z.ai: GLM 5.2).
On capability, Z.ai: GLM 5.2 has the higher intelligence index (34) — better for complex reasoning.
Verdict: pick Google: Gemini 3.8 Flash on a budget, or Z.ai: GLM 5.2 for output quality. Full details below.
Side-by-Side Specs
| Metric | Google: Gemini 3.8 Flash | Z.ai: GLM 5.2 |
|---|---|---|
| Input /1M | $0.82 | $0.01 |
| Output /1M | $4.13 | $6.80 |
| Blended (3:1) | $1.65 | $1.70 |
| Context | 1.0M | 1.0M |
| Intelligence | 31 | 34 |
| Coding | 76 | 69 |
| Math | — | — |
| Speed | 121 tok/s | 93 tok/s |
| CPS Grade | A | A |
FAQ
Which is cheaper, Google: Gemini 3.8 Flash or Z.ai: GLM 5.2?
On price, Google: Gemini 3.8 Flash is cheaper (blended cost is about 0.97× that of Z.ai: GLM 5.2). Google: Gemini 3.8 Flash: $0.825 in / $4.125 out; Z.ai: GLM 5.2: $0.006 in / $6.8 out (per 1M tokens).
Which is smarter, Google: Gemini 3.8 Flash or Z.ai: GLM 5.2?
On capability, Z.ai: GLM 5.2 has the higher intelligence index (34) — better for complex reasoning. Coding index: Google: Gemini 3.8 Flash 76 vs Z.ai: GLM 5.2 69.
Which one should I choose?
Verdict: pick Google: Gemini 3.8 Flash on a budget, or Z.ai: GLM 5.2 for output quality. Full details below.