LLM API
GoogleText generationReleased May 7, 2026

Gemini 3.1 Flash Lite

Gemini 3.1 Flash Lite costs $0.25 per 1M input tokens and $1.5 per 1M output tokens on LLM API, with a 1.05M-token context window.

Pricing

Lowest price among 2 providers, after discounts.

Gemini 3.1 Flash Lite prices on LLM API
Input$0.25per 1M tokens
Output$1.5per 1M tokens
Cache read$0.025per 1M tokens

Providers

Prices after each provider’s discount; the lowest in bold.

Providers of Gemini 3.1 Flash Lite on LLM API
Google AI Studio$0.25$1.5$0.0251.05M4K
Google Vertex AI$0.25$1.5$0.0251.05M4K

Features

  • ToolsYes
  • Parallel tool callsNo
  • Image inputYes
  • ReasoningYes

    Levels: minimal, low, medium, high

  • Prompt cachingYes
  • Structured outputsNo
  • JSON modeYes
  • StreamingYes
  • Web searchNo

Call Gemini 3.1 Flash Lite

POST /v1/chat/completionsSet LLMAPI_KEY to your LLM API key.Chat Completions docs

import os

from openai import OpenAI

client = OpenAI(
    base_url="https://api.llmapi.ai/v1",
    api_key=os.environ["LLMAPI_KEY"],
)

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

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