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.

What one request costs

The rates above applied to a 20K-token prompt with a 2K-token reply — a typical single agent turn, small enough that every request is billed at the base rate.

API surfaces

The Vivgrid Console catalogs gemini-3.5-flash on one surface, all behind the same API key. The endpoint shown is the one the Console previews for that surface.

Quick start

Get an API key from the Vivgrid Console, then call gemini-3.5-flash directly.

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

• gpt-6-astra — OpenAI's frontier gpt-6 coding model
• gemini-4-argon — Google's flagship Gemini 4 model for coding
• gemini-3.6-flash — prior flash generation