Antimatter
Google

Gemini 3.1 Pro Preview (batch)

google/gemini-3.1-pro-preview:batch

Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows.

$1.10 in · $6.60 out per 1M tokens1M contextFeb 19, 2026

about 0.4¢ a message

A typical message: about 500 tokens you send and 500 it writes.

Chat with Gemini 3.1 Pro Preview (batch)
Call it from codeLock this price

Also:Gemini 3.1 Pro Preview

Spec sheet

Published facts from the catalog, billed prices and what we measured here. Anything not measured says so.

Price, billed here

Input, per 1M tokens
$1.10provider $1.00
Output, per 1M tokens
$6.60provider $6.00
Margin
+10%

Context and formats

Context window
1,048,576 tokens
Longest answer
65,536 tokens
Reads
text, images, audio, files, and video
Makes
text
First listed
2026-02-19

Measured here, last 7 days

First token, median
not measured
Answered without error
not measured

Tools and JSON

Tool calling
declaredthe provider's claim, not yet measured here
JSON output
declaredthe provider's claim, not yet measured here

Price and latency history as JSON: GET /api/planet/history?id=google/gemini-3.1-pro-preview:batch.

About

Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...

In Google's words.

Try it here

The answer appears here.

Measured here

Call it

Use one OpenAI compatible endpoint, this model's id and an am_live_ key from the dashboard. You can also try it in chat first with no key.

curl https://useantimatter.com/v1/chat/completions \
  -H "Authorization: Bearer $ANTIMATTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "google/gemini-3.1-pro-preview:batch", "messages": [{"role": "user", "content": "Hello"}]}'

Everything else is in the docs.

Embed this

A badge showing this model's live price per million tokens, as billed here, for a README or a site. It links back to this page.

Gemini 3.1 Pro Preview (batch) price on Antimatter
<a href="https://useantimatter.com/planet/google/gemini-3.1-pro-preview%3Abatch"><img src="https://useantimatter.com/api/badge/price?id=google%2Fgemini-3.1-pro-preview%3Abatch" alt="Gemini 3.1 Pro Preview (batch) price on Antimatter" height="28"></a>

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