Gemini 3.1 Pro Preview

Vendor: Google

Text

Latest Gemini Pro reasoning model for multimodal agent work

Typical latency: 2-8s
Reference inputs: None
toolId: gemini-3-1-pro

Input modes

chat

Parameters

Parameter	Type	Default	Values	Notes
temperature	slider	0.7	0–2	Creativity level: 0=focused, 2=creative
max_tokens	select	normal	normal \| extended	Normal fits most edits; Extended allows longer, more complex edit instructions.

Pricing

Pricing will be published shortly — contact us for early access rates

Prices last updated: —

API example

POST /v1/generations — gemini-3-1-pro

curl -X POST https://api.mukelabs.com/v1/generations \
  -H "Authorization: Bearer $MUKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "toolId": "gemini-3-1-pro",
    "inputMode": "chat",
    "prompt": "your prompt here",
    "params": { "max_tokens": "normal" },
    "references": [],
    "idempotencyKey": "a-unique-key-per-task",
    "subjectId": "your-user-id"
  }'

FAQ

How do I call Gemini 3.1 Pro Preview on Muke Labs?

Submit POST /v1/generations with toolId "gemini-3-1-pro" and one of its input modes (chat), then poll GET /v1/generations/{jobId} for the result.

What does Gemini 3.1 Pro Preview cost?

Public pricing for this model is being finalized — contact us for early access rates. All tasks are billed from your prepaid USD balance and failed tasks refund automatically.

What happens if a task fails?

The job returns status "failed" with a typed error code, and its charge is returned to your balance automatically.

Where do I get an API key?

Create one in the developer portal (https://portal.muke.name), then send it as a Bearer token on every request.