GPT-5.1 Chat is cheaper than GLM 5.2 at $1.25/M vs $1.4/M input tokens.
| Spec | GLM 5.2 | GPT-5.1 Chat |
|---|---|---|
| Input price | $1.4/M tokens | $1.25/M tokens |
| Output price | $4.4/M tokens | $10/M tokens |
| Context window | 1.0M tokens | 128K tokens |
| Released | Jun 2026 | Nov 2025 |
Not enough votes to call it. On the specs, GLM 5.2 has the edge: bigger model tier, newer, bigger context window.
GPT-5.1 Chat wins input (1.1× cheaper)·GLM 5.2 wins output (2.3× cheaper)
GLM 5.2 uses 55.6x more headings
GPT-5.1 Chat is cheaper than GLM 5.2 at $1.25/M vs $1.4/M input tokens.
| Spec | GLM 5.2 | GPT-5.1 Chat |
|---|---|---|
| Input price | $1.4/M tokens | $1.25/M tokens |
| Output price | $4.4/M tokens | $10/M tokens |
| Context window | 1.0M tokens | 128K tokens |
| Released | Jun 2026 | Nov 2025 |
Not enough votes to call it. On the specs, GLM 5.2 has the edge: bigger model tier, newer, bigger context window.
GPT-5.1 Chat wins input (1.1× cheaper)·GLM 5.2 wins output (2.3× cheaper)
GLM 5.2 uses 55.6x more headings