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

gemini-3-pro-preview is Google's pro-tier Gemini 3 model, built for demanding multimodal reasoning. It accepts text, image, video, audio, and PDF within a 1M-token context window.

Vivgrid serves it as a globally centralized model through the same OpenAI-compatible endpoint and unified key as the rest of the catalog, so you can compare it against newer Gemini releases without code changes.

Specifications

Pricing

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

Quick start

Call gemini-3-pro-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-pro-preview",
    "messages": [
      { "role": "user", "content": "Say hello in English, Chinese and Spanish." }
    ],
    "stream": true
  }'

Ideal use cases

• Multimodal reasoning over mixed media
• Long-context analysis up to 1M tokens
• Agents that combine documents, images, and audio/video
• A strong Gemini 3 baseline for evaluation

Related models

• gemini-3.1-pro-preview — the newer pro model
• gemini-3-flash-preview — the faster Gemini 3
• gemini-2.5-pro — prior-generation pro model