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Gemini 3.1 Flash-Lite

google/gemini-3.1-flash-lite-preview

Most cost-efficient multimodal model. Optimized for high-frequency lightweight tasks like translation and data extraction.

Specifications

Context Window 1M tokens
Max Output 65.5K tokens
Latency fastest
Knowledge Cutoff Jan 2025
Training Data Jan 2025

Pricing

Input $0.25 per 1M tokens
Output $1.50 per 1M tokens

Capabilities

text Text generation and understanding
vision Image and visual input processing
tool use Function calling and tool integration
reasoning Advanced multi-step reasoning with chain-of-thought

API Identifiers

Model ID google/gemini-3.1-flash-lite-preview
Provider API ID gemini-3.1-flash-lite-preview

Usage via Multi-Router

curl https://api.multi-router.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -H "x-mr-router-id: YOUR_ROUTER_ID" \
  -d '{
    "model": "google/gemini-3.1-flash-lite-preview",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'