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Google

Gemini 3.1 Flash Live

Audio-to-audio realtime dialogue on the Gemini 3 line, at the same per-minute price as Gemini 2.5 Flash Native Audio. The successor to that model, which retires 2026-10-20. WebSocket-based; native audio in and out in one round-trip.

Modalities

Text → Audio

Price

$0.0389 / min

Speed

fast

Pricing

Per minute of audio processed. Min billable: 1 minute.

$0.0389 / min

Quick start

Up and running in under two minutes.

  1. 1

    Create an API key

    Sign up and grab a key from the dashboard — $0.50 free credit, no card required.

    Get API key →
  2. 2

    Make your first request

    Drop in your key and send a chat completion — fully OpenAI-compatible.

    curl https://kymaapi.com/v1/chat/completions \
      -H "Authorization: Bearer YOUR_API_KEY" \
      -H "Content-Type: application/json" \
      -d '{
        "model": "gemini-3.1-flash-live-preview",
        "messages": [
          {"role": "user", "content": "Explain prompt caching in one paragraph."}
        ]
      }'
  3. 3

    Stream responses

    Add "stream": true to receive tokens as they arrive.

    curl https://kymaapi.com/v1/chat/completions \
      -H "Authorization: Bearer YOUR_API_KEY" \
      -H "Content-Type: application/json" \
      -d '{
        "model": "gemini-3.1-flash-live-preview",
        "stream": true,
        "messages": [{"role": "user", "content": "Hello!"}]
      }'

FAQ

Common questions about this model.

How much does Gemini 3.1 Flash Live cost?

$0.0389 per min. Per minute of audio processed. Min billable: 1 minute.

How do I use Gemini 3.1 Flash Live?

Kyma is OpenAI-compatible: point your SDK's base URL at https://kymaapi.com/v1, use your Kyma API key, and set the model to gemini-3.1-flash-live-preview. Signing up is free and includes $0.50 of credit — no card required.

Start with $0.50 free credit — no card required.Create account →