GLM 5vsGPT-6 Astra Pro
GLM 5 is cheaper than GPT-6 Astra Pro at $0.8/M vs $10/M input tokens.
| Spec | GLM 5 | GPT-6 Astra Pro |
|---|---|---|
| Input price | $0.8/M tokens | $10/M tokens |
| Output price | $2.56/M tokens | $50/M tokens |
| Context window | 203K tokens | 1.1M tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Feb 2026 | Sep 2026 |
Our Verdict
GPT-6 Astra Pro
GLM 5Runner-up
Not enough votes to call it. On the specs, GPT-6 Astra Pro has the edge: newer, bigger context window.
GLM 5 costs 20x less per token.
Too close to call
API pricing
Cost per 1M tokens
GLM 5
Input
$0.80
13× cheaper
Output
$2.56
20× cheaper
GPT-6 Astra Pro
Input
$10.00
Output
$50.00
GLM 5 is cheaper on both: 13× input, 20× output.
Where to run it
12 hosts, cheapest first
GPT-6 Astra Pro2 hosts
Per million tokens. Prices and uptime via OpenRouter, checked 8 Sep 2026.
Research
What we learned reading every model
FAQ
