Gemini 3.1 Flash Lite API Pricing

Gemini 3.1 Flash Lite pricing by provider

5 listings across 5 providers. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

Other Gemini 3.1 Flash Lite prices on Google AI Studio

What Gemini 3.1 Flash Lite costs in practice

1,000 requests with 2,000 input and 500 output tokens each

100 long-document requests with 100,000 input and 2,000 output tokens each

Gemini 3.1 Flash Lite features

Input: text, image, audio, video. Output: text.

• Function calling
• Parallel tool calls
• Structured output
• Image input
• PDF input
• Audio input
• Audio output
• Video input
• Reasoning
• Prompt caching
• Web search

Use Gemini 3.1 Flash Lite with LiteLLM

Call Gemini 3.1 Flash Lite through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.

from litellm import completion

response = completion(
    model="gemini/gemini-3.1-flash-lite",
    messages=[{"role": "user", "content": "Hello!"}],
)

model_list:
  - model_name: gemini-3.1-flash-lite
    litellm_params:
      model: gemini/gemini-3.1-flash-lite
      api_key: os.environ/GEMINI_API_KEY

curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "gemini-3.1-flash-lite",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Gemini 3.1 Flash Lite FAQ

More Google models

• Gemini 3.8 Flash Cyber$1.50 / $7.50 per 1M tokens
• Gemini 3 Flash Preview Search$0.50 / $3 per 1M tokens
• Gemini 3.8 Flash$0.75 / $3.75 per 1M tokens
• Gemini 3 Flash$0.625 / $3.75 per 1M tokens
• Gemini 3.1 Pro$2 / $12 per 1M tokens
• Gemini 3.7 Flash$0.75 / $3.75 per 1M tokens
• Gemini 3.5 Flash Lite$0.30 / $2.50 per 1M tokens
• Gemini 3.6 Flash$0.75 / $3.75 per 1M tokens