Grok 4.3 API AI Agent

Grok 4.3 Pricing

An AI agent workload (50K input + 5K output tokens, 100 tasks/day) costs approximately $2.93/month on Qubax.

Why use Grok 4.3 for AI agents on Qubax?

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

About Grok 4.3

Grok 4.3 — xAI fast reasoning model with 1M context, function calling, structured outputs, vision, and web/X search. It supports a 1M-token context window and up to 128K output tokens per request. Native capabilities include reasoning, vision, tool calling, structured output, streaming. On Qubax it is served by 265 independent sellers, so pricing stays competitive and uptime stays high.

Grok 4.3 AI Agent — code example

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="grok-4.3",
    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 xAI models on Qubax

Grok 4.3 AI Agent FAQ