Gemini 3 Flash Preview API AI Agent

Build autonomous AI agents with Gemini 3 Flash Preview. Supports function calling, tool use, and multi-step reasoning โ€” perfect for agentic workflows that need to make decisions and take actions.

97% cheaper than OpenRouter

Gemini 3 Flash Preview Pricing

Token TypeQubaxRetailSave
Input (per 1M)$0.0065$0.25097%
Output (per 1M)$0.039$1.5097%

An AI agent workload (50K input + 5K output tokens, 100 tasks/day) costs approximately $1.56/month on Qubax.

Why use Gemini 3 Flash Preview for AI agents on Qubax?

  • ๐Ÿค–Autonomous agents that call APIs and external tools
  • ๐Ÿค–Multi-step reasoning for complex task completion
  • ๐Ÿค–Agent orchestration with LangChain, CrewAI, or custom frameworks
  • ๐Ÿค–Function calling for structured, reliable agent responses

About Gemini 3 Flash Preview

Gemini 3 Flash Preview is a text generation model available on Qubax. It supports a 256K-token context window and up to 66K output tokens per request. Native capabilities include reasoning, vision, tool calling, structured output, streaming. On Qubax it is served by 549 independent sellers, so pricing stays competitive and uptime stays high.

256K context window66K max output tokensReasoning with selectable effort levels (default)Vision / image inputFunction & tool callingJSON schema responsesPDF inputToken streaming

Gemini 3 Flash Preview AI Agent โ€” code example

Python โ€” tool-calling agent looppython
from openai import OpenAI
import json

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

tools = [{
    "type": "function",
    "function": {
        "name": "get_weather",
        "parameters": {"type": "object", "properties": {"city": {"type": "string"}}},
    },
}]

resp = client.chat.completions.create(
    model="gemini-3-flash-preview",
    messages=[{"role": "user", "content": "What's the weather in Tokyo?"}],
    tools=tools,
)
call = resp.choices[0].message.tool_calls[0]
print(json.loads(call.function.arguments))  # -> {"city": "Tokyo"}

More Google models on Qubax

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-flash-preview โ€” done!

Gemini 3 Flash Preview AI Agent FAQ

How much does Gemini 3 Flash Preview cost for AI agents?

On Qubax, Gemini 3 Flash Preview costs $0.0065 per 1M input tokens and $0.039 per 1M output tokens. 97% cheaper than OpenRouter. Pay with 200+ cryptocurrencies.

Can I use Gemini 3 Flash 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 Flash Preview for AI agents

No credit card. Crypto accepted. Credits never expire.

Get started โ†’
Gemini 3 Flash Preview API for AI Agent โ€” 97% off ยท Qubax AI