GPT 5.4 Nano 2026 03 17
openai/gpt-5.4-nano-2026-03-17GPT 5.4 Nano 2026 03 17 (openai/gpt-5.4-nano-2026-03-17) is an AI model from OpenAI with a 272,000-token context window and 128,000 max output tokens, priced at $0.20/1M input and $1.25/1M output tokens. Available via the haimaker.ai OpenAI-compatible API.
Overview
OpenAI's smallest and fastest GPT-5 model, designed for classification, autocompletion, and latency-sensitive tasks.
Features & Capabilities
| Mode | chat |
| Context Window | 272,000 tokens |
| Max Output | 128,000 tokens |
| Function Calling | Supported |
| Vision | Supported |
| Reasoning | Supported |
| Web Search | Supported |
| Url Context | - |
API Usage
from openai import OpenAI
client = OpenAI(
base_url="https://api.haimaker.ai/v1",
api_key="YOUR_API_KEY",
)
response = client.chat.completions.create(
model="openai/gpt-5.4-nano-2026-03-17",
messages=[
{"role": "user", "content": "Hello, how are you?"}
],
)
print(response.choices[0].message.content)Frequently Asked Questions
What is the context window of GPT 5.4 Nano 2026 03 17?
GPT 5.4 Nano 2026 03 17 (openai/gpt-5.4-nano-2026-03-17) has a 272,000-token context window and supports up to 128,000 output tokens per request.
How much does GPT 5.4 Nano 2026 03 17 cost?
GPT 5.4 Nano 2026 03 17 is priced at $0.20 per 1M input tokens and $1.25 per 1M output tokens when accessed via the haimaker.ai OpenAI-compatible API.
What features does GPT 5.4 Nano 2026 03 17 support?
GPT 5.4 Nano 2026 03 17 supports function calling, vision, reasoning, web search.
How do I use GPT 5.4 Nano 2026 03 17 via API?
Send requests to https://api.haimaker.ai/v1/chat/completions with model "openai/gpt-5.4-nano-2026-03-17" using any OpenAI-compatible SDK. Authentication uses a Bearer API key from https://app.haimaker.ai.
Use GPT 5.4 Nano 2026 03 17 with the haimaker API
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