Z.ai: GLM 4.7 vs OpenAI: GPT-5.1-Codex-Mini
z-ai vs openai
On price, OpenAI: GPT-5.1-Codex-Mini is cheaper (blended cost is about 0.69× that of Z.ai: GLM 4.7).
On capability, Z.ai: GLM 4.7 has the higher intelligence index (22) — better for complex reasoning.
Verdict: pick OpenAI: GPT-5.1-Codex-Mini on a budget, or Z.ai: GLM 4.7 for output quality. Full details below.
Side-by-Side Specs
| Metric | Z.ai: GLM 4.7 | OpenAI: GPT-5.1-Codex-Mini |
|---|---|---|
| Input /1M | $0.60 | $0.25 |
| Output /1M | $2.20 | $2.00 |
| Blended (3:1) | $1.00 | $0.69 |
| Context | 205K | 400K |
| Intelligence | 22 | 20 |
| Coding | 45 | 36 |
| Math | 95 | 92 |
| Speed | 38 tok/s | 174 tok/s |
| CPS Grade | A | A |
FAQ
Which is cheaper, Z.ai: GLM 4.7 or OpenAI: GPT-5.1-Codex-Mini?
On price, OpenAI: GPT-5.1-Codex-Mini is cheaper (blended cost is about 0.69× that of Z.ai: GLM 4.7). Z.ai: GLM 4.7: $0.6 in / $2.2 out; OpenAI: GPT-5.1-Codex-Mini: $0.25 in / $2 out (per 1M tokens).
Which is smarter, Z.ai: GLM 4.7 or OpenAI: GPT-5.1-Codex-Mini?
On capability, Z.ai: GLM 4.7 has the higher intelligence index (22) — better for complex reasoning. Coding index: Z.ai: GLM 4.7 45 vs OpenAI: GPT-5.1-Codex-Mini 36.
Which one should I choose?
Verdict: pick OpenAI: GPT-5.1-Codex-Mini on a budget, or Z.ai: GLM 4.7 for output quality. Full details below.