GPT 5.6 Luna

GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for its price tier.

byOPENAIInput TypeOutput TypeContext Window1MMax Output128K

Providers

This model is available from multiple providers. Select one to see its pricing and sample code.

OPENAIDefault

$0.16 / $0.96 / R:$0.016 / W:$0.2 · tiered/ 1M tokens0.80× base price

Supported formatsOpenAI Chat CompletionsOpenAI Responses

Official OpenAI Channels

Azure

$0.12 / $0.72 / R:$0.012 / W:$0.15 · tiered/ 1M tokens0.60× base price

Supported formatsOpenAI Chat CompletionsOpenAI Responses

Official Microsoft Azure Channels

Codex

$0.08 / $0.48 / R:$0.008 / W:$0.1 · tiered/ 1M tokens0.40× base price

Supported formatsOpenAI Chat CompletionsOpenAI Responses

Sourced from ChatGPT Pro Membership,Recommended for Codex

Pricing

Transparent pay-as-you-go pricing by token usage — no subscriptions or hidden fees.

OPENAI

openai/gpt-5.6-luna

Prices forchange

Per 1M tokens

Tier / Input lengthInput / 1MOutput / 1MCache read / 1MCache write / 1M

standard

≤ 272,000 input tokens

$0.16$0.96$0.016$0.2

long_context

> 272,000 input tokens

$0.32$1.44$0.032$0.4

Code

Copy an example below to start calling this model in minutes.

API / request example

Sample Code & API

Create API Key

from openai import OpenAI

client = OpenAI(
    base_url="https://api.apipod.ai/v1",
    api_key="<YOUR_API_KEY>",
)

# Chat Completions
completion = client.chat.completions.create(
    model="gpt-5.6-luna",
    messages=[
        {
            "role": "user",
            "content": "What is the meaning of life?",
        }
    ],
)
print(completion.choices[0].message.content)

from openai import OpenAI client = OpenAI( base_url="https://api.apipod.ai/v1", api_key="<YOUR_API_KEY>", ) # Chat Completions completion = client.chat.completions.create( model="gpt-5.6-luna", messages=[ { "role": "user", "content": "What is the meaning of life?", } ], ) print(completion.choices[0].message.content)