Gemini 3.1 Flash Lite Preview

Pick up to 3 models · pricing, context and capabilities · simulate your product cost

Data updated on September 30, 2026· 217 models

GoogleLite Preview

Gemini 3.1 Flash Lite Preview is Google's high-efficiency model optimized for high-volume use cases.

Reasoning estimated
Speed estimated
Input
Output
Context
1 M tokens
Max output
66 K
Input, $ per 1M tokens
$0.250
Output, $ per 1M tokens
$1.50
Cache read, $ per 1M
$0.025
Batch (input / output)
—
Tool calling
Yes
Released
03/03/2026
Knowledge cutoff
2025-01
API id
google/gemini-3.1-flash-lite-preview

Summary from the data

Gemini 3.1 Flash Lite Preview is a Google model available by API since 03/03/2026. It costs $0.250 per million input tokens and $1.50 per million output tokens, accepts 1 M tokens of context and generates up to 66 K tokens per response. Input: text, image, video, PDF / file, audio; output: text. It has a reasoning mode. It supports tool calling. With 10,000 requests a month of 1,500 input and 400 output tokens it would cost about $9.75 a month.

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What would your product cost?

Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.

Gemini 3.1 Flash Lite Preview
$9.75/mo

The 6 cheapest for this scenario (chat, last 12 months)

  1. 1Lyria 3 Pro Preview Google$0.00
  2. 2Lyria 3 Clip Preview Google$0.00
  3. 3Qwen3.7 Flash Qwen$0.97
  4. 4DeepSeek V4 Flash 0731 DeepSeek$1.55
  5. 5Ministral 3 3B 2512 Mistral$1.90
  6. 6Qwen3.5-Flash Qwen$2.02

Frequently asked questions

How much does Gemini 3.1 Flash Lite Preview cost per million tokens?

Gemini 3.1 Flash Lite Preview costs $0.250 per million input tokens and $1.50 per million output tokens (USD, list price). Cache read: $0.025. Batch tier: not published.

What context window does Gemini 3.1 Flash Lite Preview have?

Gemini 3.1 Flash Lite Preview accepts 1 M tokens of context per request and generates up to 66 K tokens per response.

Does Gemini 3.1 Flash Lite Preview accept images, audio or files?

Input: text, image, video, PDF / file, audio. Output: text.

Does Gemini 3.1 Flash Lite Preview have a reasoning mode and tool calling?

It has a reasoning mode. It supports tool calling.

When was Gemini 3.1 Flash Lite Preview released and what is its knowledge cutoff?

Gemini 3.1 Flash Lite Preview has been available by API since 03/03/2026. Knowledge cutoff: 2025-01.

What would an app built on Gemini 3.1 Flash Lite Preview cost?

With 10,000 requests a month of 1,500 input and 400 output tokens, Gemini 3.1 Flash Lite Preview would cost about $9.75 a month at list price, without cache or batch discounts.

What is the API id of Gemini 3.1 Flash Lite Preview?

The id is google/gemini-3.1-flash-lite-preview. It is the name passed in the model parameter of the API (or on OpenRouter).

Where do the prices come from and how often are they updated?

From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.

What does price per million tokens mean?

It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.

Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.