Gemini 1.5 Pro is cheaper than GPT-4 at $3.5/M vs $30/M input tokens.
| Spec | Gemini 1.5 Pro | GPT-4 |
|---|---|---|
| Input price | $3.5/M tokens | $30/M tokens |
| Output price | $10.5/M tokens | $60/M tokens |
| Context window | 1.0M tokens | 8K tokens |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Feb 2024 | May 2023 |
| HumanEval | 71.9% | 67.0% |
Not enough votes to call it. On the specs, nothing separates them.
Gemini 1.5 Pro costs 5.7x less per token.
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Gemini 1.5 Pro is cheaper on both: 8.6× input, 5.7× output.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.
Gemini 1.5 Pro uses 8.1x more headings