Gemini 3.1 Pro Preview API
google/gemini-3.1-pro-preview
Call Gemini 3.1 Pro Preview through UberLLM’s OpenAI-compatible API — from $0.2000/M input and $1.19/M output, routed automatically to the cheapest healthy provider. Google · 1,000,000 token context. No inference markup.
Gemini 3.1 Pro Preview pricing & providers
| Provider | Input / 1M | Output / 1M |
|---|---|---|
| Surplus Intelligencebest | $0.2000 | $1.19 |
| OpenRouter | $2.00 | $12.00 |
How to use Gemini 3.1 Pro Preview with the OpenAI SDK
Already using OpenAI or OpenRouter? Change one line — the base URL — and call Gemini 3.1 Pro Preview with your existing code. Anthropic SDKs work against https://api.uberllm.dev/v1/messages.
from openai import OpenAI
client = OpenAI(
base_url="https://api.uberllm.dev/v1",
api_key="ull_your_key_here",
)
resp = client.chat.completions.create(
model="google/gemini-3.1-pro-preview",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Gemini 3.1 Pro Preview API — FAQ
How much does the Gemini 3.1 Pro Preview API cost?
Gemini 3.1 Pro Preview costs from $0.2000 per million input tokens and $1.19 per million output tokens through UberLLM, which routes to the cheapest healthy provider. There is no inference markup.
How do I call Gemini 3.1 Pro Preview via API?
Use any OpenAI-compatible SDK: set the base URL to https://api.uberllm.dev/v1, your UberLLM API key, and model "google/gemini-3.1-pro-preview". Anthropic SDKs work via https://api.uberllm.dev/v1/messages.
Is Gemini 3.1 Pro Preview OpenAI-compatible on UberLLM?
Yes. Every model on UberLLM — including Gemini 3.1 Pro Preview — is served through one OpenAI-compatible endpoint, so you change only the base URL and key.