Models · Google

Gemini 3.1 Pro Preview API, 5x less than the official price

Gemini 3.1 Pro Preview costs $0.40 per million input tokens and $2.40 per million output tokens on Kontinent AI. Google's official price is $2.00 and $12.00, so you pay 5x less (80% less).

5x less chat gemini-3.1-pro-preview
  • No subscription
  • Pay only for requests that get an answer
  • Your balance does not expire
  • Sign in with Google or email

Price per million tokens

Tokens Official price Kontinent AI
Input Official price $2.00 $0.40
Output Official price $12.00 $2.40
Cached input Official price $0.20 $0.04

USD per million tokens. The official price is Google's, on its price page. Ours is that price times 0.2, for every kind of token. A prompt over 200k tokens is billed at 2x input and 1.5x output, at both prices. This model thinks before it answers. The thinking is billed as output tokens, at the same multiple.

What jobs cost with Gemini 3.1 Pro Preview

Job Official price, then ours
1,000 support-bot replies 1,500 tokens in and 500 out, each Official price $9.00 , Kontinent AI $1.80
One coding-agent session 200,000 tokens in and 20,000 out, uncached Official price $0.64 , Kontinent AI $0.13
1,000 document summaries 4,000 tokens in and 300 out, each Official price $11.60 , Kontinent AI $2.32

Each job is priced the way the API bills it. Work out your monthly bill.

Run Gemini 3.1 Pro Preview for $0.13 a session, not $0.64

The same Gemini 3.1 Pro Preview, through one API key. Change the base URL and the key, and keep your code. You see what every request cost and what you saved.

  • No subscription
  • Pay only for requests that get an answer
  • Your balance does not expire
  • Sign in with Google or email

Your monthly bill

Enter what you spend at the official price and see it on Kontinent AI, in your currency.

5x less than the official price

At the official price
$100.00
With Kontinent AI
$20.00
You keep
$80.00

The model

Maker
Google
Model id
gemini-3.1-pro-preview
Context window
1,048,576 tokens
Weights
Closed
Beyond plain chat
Tool calling, Structured output (JSON schema), Image input
Speed, measured by us
not measured yet

Use Gemini 3.1 Pro Preview

  • POST /v1/chat/completions: the OpenAI SDKs, OpenCode, most OpenAI-compatible tools.
terminal
curl https://api.kontinentai.com/v1/chat/completions \
  -H "Authorization: Bearer $KONTINENT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "gemini-3.1-pro-preview", "messages": [{"role": "user", "content": "Hello"}]}'

Setup for each tool: Claude Code, Codex, OpenCode, OpenAI SDK, Anthropic SDK.

Questions

How much does the Gemini 3.1 Pro Preview API cost?

Gemini 3.1 Pro Preview costs $0.40 per million input tokens and $2.40 per million output tokens on Kontinent AI. Google's official price is $2.00 and $12.00, so you pay 5x less (80% less). Cached input is $0.04 per million tokens, against $0.20 official.

Is it the same Gemini 3.1 Pro Preview?

Yes. We send your request to the model you name, and nothing else. We check the name of the model that answered on each response.

What does a coding-agent session cost with Gemini 3.1 Pro Preview?

A session of 200,000 input tokens and 20,000 output tokens, uncached, costs $0.13 on Kontinent AI and $0.64 at Google's official price.

Can I use Gemini 3.1 Pro Preview with OpenCode?

Yes. Point OpenCode at Kontinent AI by changing the base URL and the key. The setup pages in the docs show each one.

What is the context window of Gemini 3.1 Pro Preview?

1M tokens (1,048,576), as Google publishes it. A prompt over 200k tokens is billed at 2x input and 1.5x output, at the official price and at ours alike.

Compare Gemini 3.1 Pro Preview

Start with Gemini 3.1 Pro Preview today

Gemini 3.1 Pro Preview is 80% less than Google's official price on every token. Top up a prepaid balance and call it from the tools you already use.

  • No subscription
  • Pay only for requests that get an answer
  • Your balance does not expire
  • Sign in with Google or email