Gemini 3.1 Pro (preview)

Available

google/gemini-3.1-pro

Google's Pro model, with a higher price above 200K prompt tokens.

Chat
1.05M context
66K max output
Vision
Tools

Try in Playground Compare

Pricing

Input: $2 / 1M tokens
Output: $12 / 1M tokens
Cached input: $0.20 / 1M tokens
Input, prompts over 200K: $4 / 1M tokens
Output, prompts over 200K: $18 / 1M tokens

Once a prompt reaches 200,000 tokens, the whole request is billed at the long-prompt rate.

What it costs

A typical request: 2,000 tokens in, 500 out$0.01

1,000 of those requests$10.00

Performance on SparrowCodes

Measured from real requests over the last 7 days.

No traffic yet. Speed, latency and success rate appear here once this model has served requests on SparrowCodes; we don't show estimates.

Official benchmarks

Scores published by the model's maker, under their test conditions.

The maker hasn't published benchmark scores we could verify for this model.

Specifications

Type: Chat
Served by: Google
Context window: 1,048,576 tokens
Maximum output: 65,536 tokens
Input types: Text, Image
Tool calling: Supported

Use it

curl https://api.sparrowcodes.com/v1/chat/completions \
  -H "Authorization: Bearer $SPARROW_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3.1-pro",
    "messages": [{"role": "user", "content": "Explain rate limiting in one paragraph."}]
  }'

Set "model" to google/gemini-3.1-pro. The response includes its exact cost.

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