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GPT 5.4 2026 03 05

openai/gpt-5.4-2026-03-05
Chat
OpenAI|
Function CallingVisionReasoning

GPT 5.4 2026 03 05 (openai/gpt-5.4-2026-03-05) is an AI model from OpenAI with a 1,050,000-token context window and 128,000 max output tokens, priced at $2.50/1M input and $15.00/1M output tokens. Available via the haimaker.ai OpenAI-compatible API.

Context Window
1M
tokens
Max Output
128K
tokens
Input Price
$2.50
/1M tokens
Output Price
$15.00
/1M tokens

Overview

OpenAI's GPT-5 series, a frontier multimodal model with advanced reasoning, vision, and coding capabilities.

Features & Capabilities

Modechat
Context Window1,050,000 tokens
Max Output128,000 tokens
Function CallingSupported
VisionSupported
ReasoningSupported
Web Search-
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-5.4-2026-03-05",
    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 2026 03 05?

GPT 5.4 2026 03 05 (openai/gpt-5.4-2026-03-05) has a 1,050,000-token context window and supports up to 128,000 output tokens per request.

How much does GPT 5.4 2026 03 05 cost?

GPT 5.4 2026 03 05 is priced at $2.50 per 1M input tokens and $15.00 per 1M output tokens when accessed via the haimaker.ai OpenAI-compatible API.

What features does GPT 5.4 2026 03 05 support?

GPT 5.4 2026 03 05 supports function calling, vision, reasoning.

How do I use GPT 5.4 2026 03 05 via API?

Send requests to https://api.haimaker.ai/v1/chat/completions with model "openai/gpt-5.4-2026-03-05" using any OpenAI-compatible SDK. Authentication uses a Bearer API key from https://app.haimaker.ai.

Use GPT 5.4 2026 03 05 with the haimaker API

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