Gemini 3.1 Flash Lite Preview

googlegoogle/gemini-3.1-flash-lite-preview

Designed for high-volume, cost-sensitive traffic, Gemini 3.1 Flash Lite delivers a massive quality leap over previous Lite generations while matching the core performance of Gemini 2.5 Flash. Ideal for real-time applications requiring low latency at minimal cost.

Context Length

Max Output

66K

Input Price

$0.300/ 1M tokens

Output Price

$1.80/ 1M tokens

Modalities

textimagepdf→text

Pricing Breakdown

Type	Rate
Input	$0.300 / 1M tokens
Output	$1.80 / 1M tokens

Supported Parameters

temperaturemax_tokenstop_ptoolstool_choiceresponse_formatstop

API Usage Examples

cURL

curl https://api.therouter.ai/v1/chat/completions   -H "Content-Type: application/json"   -H "Authorization: Bearer $THE_ROUTER_API_KEY"   -d '{
    "model": "google/gemini-3.1-flash-lite-preview",
    "messages": [
      {"role": "user", "content": "Summarize the key points from this input."}
    ]
  }'