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GLM-4.7 vs GPT-5.2 Codex
A detailed comparison of GLM-4.7 (Zhipu AI) and GPT-5.2 Codex (OpenAI) across pricing, performance, and features.
Pricing Comparison
| Metric | GLM-4.7 | GPT-5.2 Codex | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.60 | $1.75 | +192% |
| Output / 1M tokens | $2.20 | $14.00 | +536% |
| Context window | 200K | 200K | — |
| Max output | 128K | 65.536K | — |
Benchmark Comparison
| Benchmark | GLM-4.7 | GPT-5.2 Codex |
|---|---|---|
| MMLU-Pro | 84.3% | 89% |
| HumanEval | — | 95.5% |
| GPQA | 85.7% | 76% |
Capabilities
| Capability | GLM-4.7 | GPT-5.2 Codex |
|---|---|---|
| code | ✓ | ✓ |
| reasoning | ✓ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✗ | ✓ |
| vision | ✓ | ✓ |
GLM-4.7 Strengths
- ✓Excellent value — strong benchmarks at $0.60/$2.20
- ✓Open-weight (MIT license)
- ✓Top scores on AIME 25 and BrowseComp
GLM-4.7 Weaknesses
- ✗No tool-use support yet
- ✗358B parameters — still heavy for self-hosting
- ✗Smaller ecosystem than OpenAI/Anthropic
GPT-5.2 Codex Strengths
- ✓Strong coding performance
- ✓Available via API now
- ✓200K context window
GPT-5.2 Codex Weaknesses
- ✗Being superseded by 5.3
- ✗Higher output cost than some competitors
Quick Verdict
Best value: GLM-4.7 is the more affordable option at $0.6/$2.2 per 1M tokens.
Higher benchmarks: GPT-5.2 Codex scores higher on average across available benchmarks (86.8% avg).
Choose GLM-4.7 if cost matters most. Choose GPT-5.2 Codex if you need the best possible quality for complex tasks.