Z.ai: GLM 5.3 Flash vs SpaceXAI: Grok 4.6
z-ai vs x-ai
On price, Z.ai: GLM 5.3 Flash is cheaper (blended cost is about 0.08× that of SpaceXAI: Grok 4.6).
On capability, SpaceXAI: Grok 4.6 has the higher intelligence index (44) — better for complex reasoning.
Verdict: pick Z.ai: GLM 5.3 Flash on a budget, or SpaceXAI: Grok 4.6 for output quality. Full details below.
Side-by-Side Specs
| Metric | Z.ai: GLM 5.3 Flash | SpaceXAI: Grok 4.6 |
|---|---|---|
| Input /1M | $0.15 | $2.00 |
| Output /1M | $0.50 | $6.00 |
| Blended (3:1) | $0.24 | $3.00 |
| Context | 1.0M | 500K |
| Intelligence | 42 | 44 |
| Coding | 72 | 77 |
| Math | — | — |
| Speed | 64 tok/s | — |
| CPS Grade | A | A |
FAQ
Which is cheaper, Z.ai: GLM 5.3 Flash or SpaceXAI: Grok 4.6?
On price, Z.ai: GLM 5.3 Flash is cheaper (blended cost is about 0.08× that of SpaceXAI: Grok 4.6). Z.ai: GLM 5.3 Flash: $0.15 in / $0.5 out; SpaceXAI: Grok 4.6: $2 in / $6 out (per 1M tokens).
Which is smarter, Z.ai: GLM 5.3 Flash or SpaceXAI: Grok 4.6?
On capability, SpaceXAI: Grok 4.6 has the higher intelligence index (44) — better for complex reasoning. Coding index: Z.ai: GLM 5.3 Flash 72 vs SpaceXAI: Grok 4.6 77.
Which one should I choose?
Verdict: pick Z.ai: GLM 5.3 Flash on a budget, or SpaceXAI: Grok 4.6 for output quality. Full details below.