Available now
Google
gemini-3.1-flash-lite-preview
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...
TextReasoningToolsFilesVisionAudio1MVideoCacheWebSearch
Input$0.04/ 1M
Output$0.24/ 1M
Endpointsgemini, openai
Capabilities
ReasoningToolsParallel toolsVisionAudio inVideoFilesCacheStructuredWeb searchCode execFile searchService tierURL contextStreamingSystem msg
Modalities
Input
textimagevideofileaudio
Output
text
Quick stats
Context window1M
Max output65.5K
Modechat
TokenizerGemini
Performance
Loading performance data...
Supported parameters
| Parameter | Always | Default |
|---|---|---|
| frequency_penalty | — | (do not send) |
| include_reasoning | — | |
| max_tokens | — | |
| presence_penalty | — | (do not send) |
| reasoning | — | |
| repetition_penalty | — | (do not send) |
| response_format | — | |
| seed | — | |
| stop | — | |
| structured_outputs | — | |
| temperature | (do not send) | |
| tool_choice | — | |
| tools | — | |
| top_k | — | (do not send) |
| top_p | (do not send) |
§ 01
Pricing
| Input price | $0.04 · 1M tokens |
| Output price | $0.24 · 1M tokens |
| Compatible endpoints | gemini, openai |
| Vendor |
§ 02
Call gemini-3.1-flash-lite-preview from your code
Point any OpenAI-compatible SDK at UnoRouter and request the model by name. Replace YOUR_API_KEY with a real key from your dashboard.
bash
curl https://api.unorouter.ai/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gemini-3.1-flash-lite-preview",
"messages": [{"role": "user", "content": "Hello!"}]
}'§ 03
Frequently asked questions
How much does gemini-3.1-flash-lite-preview cost per 1M tokens?
Input is priced at $0.04 per 1M tokens, output at $0.24 per 1M tokens. Billing is per token, no rounding to batch sizes.
How do I access gemini-3.1-flash-lite-preview via API?
Send requests to the UnoRouter /v1/chat/completions endpoint with model=gemini-3.1-flash-lite-preview. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.
§ 04
Similar models
Try gemini-3.1-flash-lite-preview now
Create an API key and start making requests in under a minute.