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Gemini 3.1 Flash Lite

googlegoogle/gemini-3.1-flash-lite

Lightweight flash variant for high-volume, cost-sensitive workloads.

Context Length
1M
Max Output
8K
Input Priceper 1M tokens
$0.270/ 1M tokens
Output Priceper 1M tokens
$1.62/ 1M tokens

Modalities

text→text

Pricing Breakdown

TypeRate
Input$0.270 / 1M tokens
Output$1.62 / 1M tokens

Supported Parameters

temperaturemax_tokenstop_ptoolstool_choiceresponse_formatstop

API Usage Examples

Use the global api.therouter.ai endpoint shown below for new integrations; the legacy China accelerated endpoint is retired.

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",
    "messages": [
      {"role": "user", "content": "Summarize the key points from this input."}
    ]
  }'
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