Google

Gemini 3.1 Flash Lite

Gemini 3.1 Flash Lite is Google's fast, low-cost model for high-volume work. It reads images. It takes up to 1.05M tokens of context and writes up to 65.54K per response.

Vision inputStreaming
Get an API keyCompare models

Output price

$0.93

USD / 1M tokens

38% below list price

Add $5, get $5 more on your first top-up.

Same Gemini 3.1 Flash Lite. 38% less.

Price
USD / 1M tokens, next to Google's list price.
TokensList pricePromptsForLess
Input$0.25$0.155
Output$1.50$0.93
Your monthly bill
Enter your monthly usage to see the difference.
At list price$5.50
With PromptsForLess$3.41

That's $2.09 saved every month.

USD, before tax and prompt caching.

Specs.

Model ID
gemini-3.1-flash-lite
Made by
Google
Context window
1.05M tokens
Max output
65.54K tokens
Endpoint
/v1/chat/completions
Billing
Per token, from one balance
Built for
  • Text and code. Drafting, summarising, extraction, chat and code, with the output streamed back as it is generated.
  • Vision. Send screenshots, photos, charts and documents alongside your prompt.

Edge gateways

Requests enter at the gateway nearest your app and go straight to the model, so routing adds very little to each call.

One key, every model

Switch models by changing a string. One prepaid balance covers all of them, billed per token.

Nothing stored

We keep token counts for billing, never your prompts or responses.

Call Gemini 3.1 Flash Lite in a minute.

Point any OpenAI-compatible client at our base URL, keep your key in an environment variable, and use the model ID gemini-3.1-flash-lite.

Copy
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.promptsforless.com/v1",
    api_key=os.environ["PFL_API_KEY"],
)

response = client.chat.completions.create(
    model="gemini-3.1-flash-lite",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
Cursor guideOpenCode guideOpenAI SDK guide

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Questions.

How much does Gemini 3.1 Flash Lite cost?

$0.93 / 1M tokens output and $0.155 / 1M tokens input, 38% below Google's list price. You pay per token from a prepaid balance, with no subscription or minimum. We match your first $5 top-up, so you start with $10 of credit.

Is it the real Gemini 3.1 Flash Lite?

Yes. Your requests run on Google's Gemini 3.1 Flash Lite, not a distilled copy or a substitute. The discount comes from how we buy capacity, not from changing the model.

Which tools can use Gemini 3.1 Flash Lite?

Anything that speaks the OpenAI API: set the base URL to our endpoint and use the model ID gemini-3.1-flash-lite. We have setup guides for Cursor, Codex, OpenCode, the OpenAI and Vercel AI SDKs, LangChain and more.

How fast is it?

Requests go through our edge gateways, so the network hop adds very little on top of Gemini 3.1 Flash Lite's own generation time. Responses stream back token by token.