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Gemini 3.1 Pro Preview API

Access Gemini 3.1 Pro Preview through a simple, OpenAI-compatible API. Change one URL and one key — your existing code works immediately. No SDK changes needed.

88% cheaper than OpenRouter

Gemini 3.1 Pro Preview Pricing

Token TypeQubaxRetailSave
Input (per 1M)$0.117$1.0088%
Output (per 1M)$0.702$6.0088%

At $0.117/1M input tokens, Gemini 3.1 Pro Preview is one of the most affordable APIs in its class.

Why use Gemini 3.1 Pro Preview API on Qubax?

  • ⚡Point your OpenAI SDK at https://api.qubax.ai/v1
  • ⚡Use model ID: gemini-3.1-pro-preview
  • ⚡Generate API keys starting with qbx_live_
  • ⚡Full streaming, function calling, and vision support

About Gemini 3.1 Pro Preview

Gemini 3.1 Pro Preview is a text generation model available on Qubax. It supports a 1M-token context window and up to 33K output tokens per request. Native capabilities include reasoning, vision, tool calling, structured output, streaming. On Qubax it is served by 475 independent sellers, so pricing stays competitive and uptime stays high.

1M context window33K max output tokensReasoning with selectable effort levels (default)Vision / image inputFunction & tool callingJSON schema responsesPDF inputToken streaming

Gemini 3.1 Pro Preview API Access — code example

Python — OpenAI SDK, one-line switchpython
from openai import OpenAI

# Only two lines change vs the official API:
client = OpenAI(
    base_url="https://api.qubax.ai/v1",
    api_key="qbx_live_YOUR_KEY",
)

response = client.chat.completions.create(
    model="gemini-3.1-pro-preview",
    messages=[{"role": "user", "content": "Hello, Gemini 3.1 Pro Preview!"}],
)
print(response.choices[0].message.content)

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Get started in 60 seconds

  1. 1Create a free account at qubax.ai/register
  2. 2Add crypto credits (200+ coins, $3 minimum, credits never expire)
  3. 3Generate an API key and set your base URL to https://api.qubax.ai/v1
  4. 4Use model ID gemini-3.1-pro-preview — done!

Gemini 3.1 Pro Preview API Access FAQ

How much does Gemini 3.1 Pro Preview cost API?

On Qubax, Gemini 3.1 Pro Preview costs $0.117 per 1M input tokens and $0.702 per 1M output tokens. 88% cheaper than OpenRouter. Pay with 200+ cryptocurrencies.

Can I use Gemini 3.1 Pro Preview with my existing tools?

Yes. Qubax is fully OpenAI-compatible. Change your base URL to api.qubax.ai/v1 and use your Qubax key. Works with Cline, Cursor, OpenCode, LangChain, and any OpenAI SDK.

Do I need a credit card?

No. Qubax accepts 200+ cryptocurrencies. No credit card, no KYC.

Start using Gemini 3.1 Pro Preview API

No credit card. Crypto accepted. Credits never expire.

Get started →
Also available for:💻 Coding💬 Chatbots🤖 AI Agent🪙 Crypto Payments
Gemini 3.1 Pro Preview API — 88% off · Qubax AI