gemini-3-flash-preview — API, Pricing & Context Window | Vivgrid

gemini-3-flash-preview is the fast, cost-efficient member of the Gemini 3 family, accepting text, image, video, audio, and PDF within a ~1.05M-token context window. Its very low cached-input pricing makes it attractive for repeated-context workloads.

On Vivgrid it runs as a globally centralized model, reachable through the same unified API 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-flash-preview 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-flash-preview",
    "messages": [
      { "role": "user", "content": "Say hello in English, Chinese and Spanish." }
    ],
    "stream": true
  }'

Ideal use cases

• High-volume multimodal agents
• Repeated-context workflows that benefit from cheap cached input
• Media ingestion and summarization at scale
• Fast assistants needing large context

Related models

• gemini-3.5-flash — the newer flash generation
• gemini-3-pro-preview — the pro-tier sibling
• gemini-2.5-flash — prior flash model