gemini-3.5-flash — API, Pricing & Context Window | Vivgrid

gemini-3.5-flash is Google's fast, fully multimodal model, accepting text, image, video, audio, and PDF inputs within a 1M-token context window. It's a strong agent model for workflows that mix media types at scale.

On Vivgrid, gemini-3.5-flash runs as a globally centralized model reachable through the same OpenAI-compatible endpoint and unified key as every other model in the catalog.

Specifications

Pricing

Pricing in USD per 1M tokens, matching the provider's rates.

Quick start

Call gemini-3.5-flash through Vivgrid's unified, OpenAI-compatible endpoint. Get an API key from the Vivgrid Console.

curl https://api.vivgrid.com/v1/chat/completions \
  -H "Authorization: Bearer $VIVGRID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.5-flash",
    "messages": [
      { "role": "user", "content": "Say hello in English, Chinese and Spanish." }
    ],
    "stream": true
  }'

Ideal use cases

• Multimodal agents combining video, audio, images, and PDFs
• Long-context understanding up to 1M tokens
• Fast, high-volume reasoning and summarization
• Media-heavy ingestion and analysis pipelines

Related models

• gemini-3.1-pro-preview — higher-end Gemini for coding
• gemini-3-flash-preview — prior flash generation
• gpt-5.4-mini — comparable fast multimodal option