Gemini 2.0 Pro Experimental has a larger context window than Gemini 2.5 Flash Lite Preview 09-2025 (2.0M tokens vs 1.0M tokens).
| Spec | Gemini 2.0 Pro Experimental | Gemini 2.5 Flash Lite Preview 09-2025 |
|---|---|---|
| Input price | — | $0.1/M tokens |
| Output price | — | $0.4/M tokens |
| Context window | 2.0M tokens | 1.0M tokens |
| Free API (OpenRouter) | — | No |
| Released | Jan 2025 | Sep 2025 |
Not enough votes to call it. On the specs, Gemini 2.0 Pro Experimental has the edge: bigger model tier, bigger context window.
Gemini 2.5 Flash Lite Preview 09-2025 uses 25.5x more headings