GPT 5.6 Luna

model="gpt-5.6-luna"

GPT-5.6 Luna is the lightweight model in OpenAI's GPT-5.6 series, designed for cost-efficient reasoning, coding, and agentic workflows at scale. It is well suited for high-throughput production workloads, lightweight automation, and large-volume application traffic where responsiveness and efficiency matter most.

Model Capabilities

Accepts (Input)

Text Generation

Generates (Output)

Text Responses

Quick Integration

Python (OpenAI SDK)

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://helyxai.space/v1/chat/completions",
    api_key=os.environ.get("HELYX_API_KEY")
)

response = client.chat.completions.create(
    model="gpt-5.6-luna",
    messages=[
        {"role": "system", "content": "You are a helpful assistant."},
        {"role": "user", "content": "How do I use this model?"}
    ],
    max_tokens=128000
)

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

Architecture

Context Window

1,050,000 tokens

Max Input

1,050,000

Max Output

128,000

Usage Allowances

Free Plan (Default)

5,000 tokens / day

Automatically resets every 24 hours.

Developer Plan

100,000,000 tokens / day

Market Pricing Equivalency

Input (per 1M) $1.2000

Output (per 1M) $6.0000

Your Cost: $0.00 (Via Free Quota)

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