google/gemini-3.1-flash-lite API — Pricing & Access

Name: google/gemini-3.1-flash-lite API
Brand: google
Price: 0.13125 USD
Availability: InStock

Pricing

Gemini 3.1 Flash Lite pricing

Billed per token used. Prices sync automatically from wholesale providers.

Direction	Price per 1M tokens
Input	$0.13
Output	$0.79

Availability

Served by 3 providers

Requests route to OpenRouter by default (cheapest). Pin a specific provider with the :provider suffix.

Provider	Upstream model ID
openrouter	`google/gemini-3.1-flash-lite`
openrouter	`google/gemini-3.1-flash-lite:batch`
deepinfra	`google/gemini-3.1-flash-lite`

Quickstart

Call Gemini 3.1 Flash Lite in 30 seconds

Works with any OpenAI SDK — change the base URL and API key only.

Python

from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.fastinfra.ai/v1")

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

curl

curl https://api.fastinfra.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3.1-flash-lite",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

FAQ

Gemini 3.1 Flash Lite — common questions

How much does the google/gemini-3.1-flash-lite API cost?

On FastInfra, google/gemini-3.1-flash-lite costs $0.1313/1M input, $0.7875/1M output tokens. Billing is per token used, with no subscription.

Is google/gemini-3.1-flash-lite compatible with the OpenAI SDK?

Yes. FastInfra exposes google/gemini-3.1-flash-lite through an OpenAI-compatible endpoint at https://api.fastinfra.ai/v1 — point any OpenAI SDK at that base URL with a FastInfra API key and keep your existing code.

Which providers serve google/gemini-3.1-flash-lite?

google/gemini-3.1-flash-lite is available from 3 provider(s): openrouter, openrouter, deepinfra. Requests route to OpenRouter by default (cheapest); append ":provider" to the model ID to pin one.

Alternatives

Embeddinggemma 300m google/embeddinggemma-300m $0.0021 input · — output / 1M tokens Gemma 4 E4B It google/gemma-4-E4B-it $0.02 input · $0.11 output / 1M tokens Gemma 3 4b It google/gemma-3-4b-it $0.05 input · $0.11 output / 1M tokens Gemma 3n e4b It google/gemma-3n-e4b-it $0.06 input · $0.13 output / 1M tokens Gemini 1.5 Flash 8b google/gemini-1.5-flash-8b $0.04 input · $0.16 output / 1M tokens Gemma 3 12b It google/gemma-3-12b-it $0.05 input · $0.16 output / 1M tokens

Gemini 3.1 Flash Lite API