GLM 5 is the newer model, released after GPT-5.1 Codex Max.
| Spec | GLM 5 | GPT-5.1 Codex Max |
|---|---|---|
| Input price | $0.8/M tokens | — |
| Output price | $2.56/M tokens | — |
| Context window | 203K tokens | — |
| Released | Feb 2026 | Dec 2025 |
| SWE-bench Verified | 77.8% | 77.9% |
Not enough votes to call it. On the specs, nothing separates them.
GLM 5 uses 6.8x more transitions
GLM 5 is the newer model, released after GPT-5.1 Codex Max.
| Spec | GLM 5 | GPT-5.1 Codex Max |
|---|---|---|
| Input price | $0.8/M tokens | — |
| Output price | $2.56/M tokens | — |
| Context window | 203K tokens | — |
| Released | Feb 2026 | Dec 2025 |
| SWE-bench Verified | 77.8% | 77.9% |
Not enough votes to call it. On the specs, nothing separates them.
GLM 5 uses 6.8x more transitions