Z.ai: GLM 5.2 vs SpaceXAI: Grok 4.5
z-ai vs x-ai
On price, Z.ai: GLM 5.2 is cheaper (blended cost is about 0.57× that of SpaceXAI: Grok 4.5).
On capability, SpaceXAI: Grok 4.5 has the higher intelligence index (39) — better for complex reasoning.
Verdict: pick Z.ai: GLM 5.2 on a budget, or SpaceXAI: Grok 4.5 for output quality. Full details below.
Side-by-Side Specs
| Metric | Z.ai: GLM 5.2 | SpaceXAI: Grok 4.5 |
|---|---|---|
| Input /1M | $0.01 | $2.00 |
| Output /1M | $6.80 | $6.00 |
| Blended (3:1) | $1.70 | $3.00 |
| Context | 1.0M | 500K |
| Intelligence | 34 | 39 |
| Coding | 69 | 72 |
| Math | — | — |
| Speed | 93 tok/s | 61 tok/s |
| CPS Grade | A | A |
FAQ
Which is cheaper, Z.ai: GLM 5.2 or SpaceXAI: Grok 4.5?
On price, Z.ai: GLM 5.2 is cheaper (blended cost is about 0.57× that of SpaceXAI: Grok 4.5). Z.ai: GLM 5.2: $0.006 in / $6.8 out; SpaceXAI: Grok 4.5: $2 in / $6 out (per 1M tokens).
Which is smarter, Z.ai: GLM 5.2 or SpaceXAI: Grok 4.5?
On capability, SpaceXAI: Grok 4.5 has the higher intelligence index (39) — better for complex reasoning. Coding index: Z.ai: GLM 5.2 69 vs SpaceXAI: Grok 4.5 72.
Which one should I choose?
Verdict: pick Z.ai: GLM 5.2 on a budget, or SpaceXAI: Grok 4.5 for output quality. Full details below.