GLM 5.3 Prime is cheaper than Gemini 1.5 Pro at $2.8/M vs $3.5/M input tokens.
| Spec | Gemini 1.5 Pro | GLM 5.3 Prime |
|---|---|---|
| Input price | $3.5/M tokens | $2.8/M tokens |
| Output price | $10.5/M tokens | $8.8/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Free API (OpenRouter) | No | No |
| Released | Feb 2024 | Sep 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GLM 5.3 Prime is cheaper on both: 1.3× input, 1.2× output.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.