OpenAI: GPT-5.6 LunaChat

openai/gpt-5.6-luna

Get Started

Fast, cost-efficient GPT-5.6 tier for high-volume, latency-sensitive tasks.

1M context window

128K max output tokens

Released: 2026-07-09

Protocols:OpenAIAnthropic

Capabilities:VisionFunction CallingReasoningPrompt CachingWeb Search

PriceRate 0.15x

HaoAI

Official

Input

$0.15/M

$1/M

Output

$0.9/M

$6/M

Cache read

$0.015/M

$0.1/M

Code Examples

from openai import OpenAI

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

response = client.chat.completions.create(
    model="openai/gpt-5.6-luna",
    messages=[
        {"role": "user", "content": "Hello!"}
    ],
)

print(response.choices[0].message.content)