Gemini 3.1 Flash Lite Preview is Google's high-efficiency model optimized for high-volume use cases. It outperforms Gemini 2.5 Flash Lite on overall quality and approaches Gemini 2.5 Flash performance across...
Model details →Google: Gemini 3.1 Flash Lite Preview vs Auto Router
Auto Router wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
The Auto Router automatically selects the best model for your prompt, powered by the wisdom of the market. It routes you based on what the OpenRouter community collectively spends on...
Model details →Side-by-side comparison
| Capability | Google: Gemini 3.1 Flash Lite Preview | Auto Router | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 2M | 🏆 Auto Router |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.25 | $-1000000.00 | 🏆 Auto Router |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.50 | $-1000000.00 | 🏆 Auto Router |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Google: Gemini 3.1 Flash Lite Preview better than Auto Router?
Auto Router wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Google: Gemini 3.1 Flash Lite Preview and Auto Router?
Input: $0.25 vs $-1000000.00 per 1M tokens. Output: $1.50 vs $-1000000.00 per 1M tokens.
What context windows do Google: Gemini 3.1 Flash Lite Preview and Auto Router support?
Google: Gemini 3.1 Flash Lite Preview supports up to 1.0M tokens. Auto Router supports up to 2M tokens.
Do both Google: Gemini 3.1 Flash Lite Preview and Auto Router support tool calling?
Google: Gemini 3.1 Flash Lite Preview: yes. Auto Router: yes.