Gemini 3.1 Pro Preview API: Pricing and Specs

Gemini 3.1 Pro Preview API

Gemini 3.1 Pro Preview is a large language model by Google, available on the Venice API as gemini-3-1-pro-preview. Requests are anonymized, so the provider never sees your identity.Gemini 3.1 Pro is an evolution of Google’s flagship frontier model with 1M context, advancing high-precision multimodal reasoning across text, image, and code.

Gemini 3.1 Pro Preview API pricing

Model ID	Variant	Privacy	Price
`gemini-3-1-pro-preview`	Standard	Anonymized	$2.50 / $15.00 per 1M

Gemini 3.1 Pro Preview specifications

Spec	Value
Provider	Google
Released	Feb 19, 2026
Privacy	Anonymized
Status	Stable
Context window	1M tokens
Max output	32K tokens
Reasoning effort	low, medium, high

How to use the Gemini 3.1 Pro Preview API

Send requests to POST https://api.venice.ai/api/v1/chat/completions with "model": "gemini-3-1-pro-preview" and your API key.

curl https://api.venice.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3-1-pro-preview",
    "messages": [{ "role": "user", "content": "Explain TEE attestation in two sentences." }],
    "reasoning_effort": "low"
  }'

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Gemini 3.1 Pro Preview API

Gemini 3.1 Pro Preview API pricing

Gemini 3.1 Pro Preview specifications

How to use the Gemini 3.1 Pro Preview API

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