GPT 5 Nano API AI Agent
Build autonomous AI agents with GPT 5 Nano. Supports function calling, tool use, and multi-step reasoning โ perfect for agentic workflows that need to make decisions and take actions.
GPT 5 Nano Pricing
| Token Type | Qubax | Retail | Save |
|---|---|---|---|
| Input (per 1M) | $0.0033 | $0.025 | 87% |
| Output (per 1M) | $0.026 | $0.200 | 87% |
An AI agent workload (50K input + 5K output tokens, 100 tasks/day) costs approximately $0.89/month on Qubax.
Why use GPT 5 Nano for AI agents on Qubax?
- ๐คAutonomous agents that call APIs and external tools
- ๐คMulti-step reasoning for complex task completion
- ๐คAgent orchestration with LangChain, CrewAI, or custom frameworks
- ๐คFunction calling for structured, reliable agent responses
About GPT 5 Nano
GPT 5 Nano โ ultra-efficient OpenAI model It supports a 400K-token context window and up to 128K output tokens per request. Native capabilities include reasoning, vision, tool calling, structured output, streaming, context caching. On Qubax it is served by 521 independent sellers, so pricing stays competitive and uptime stays high.
GPT 5 Nano AI Agent โ 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="gpt-5-nano",
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 OpenAI models on Qubax
Get started in 60 seconds
- 1Create a free account at qubax.ai/register
- 2Add crypto credits (200+ coins, $3 minimum, credits never expire)
- 3Generate an API key and set your base URL to
https://api.qubax.ai/v1 - 4Use model ID
gpt-5-nanoโ done!
GPT 5 Nano AI Agent FAQ
How much does GPT 5 Nano cost for AI agents?
On Qubax, GPT 5 Nano costs $0.0033 per 1M input tokens and $0.026 per 1M output tokens. 87% cheaper than OpenRouter. Pay with 200+ cryptocurrencies.
Can I use GPT 5 Nano 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 GPT 5 Nano for AI agents
No credit card. Crypto accepted. Credits never expire.
Get started โ