GPT-6 Astra Pro is the newer model, released after GLM 4.7.
| Spec | GLM 4.7 | GPT-6 Astra Pro |
|---|---|---|
| Input price | — | $10/M tokens |
| Output price | — | $50/M tokens |
| Context window | — | 1.1M tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Dec 2025 | Sep 2026 |
Not enough votes to call it. On the specs, GPT-6 Astra Pro has the edge: bigger model tier, newer, bigger context window, major provider backing.
Per million tokens. Prices and uptime via OpenRouter, checked 8 Sep 2026.