OpenAI

OpenAI GPT-5.6 Luna Pro

GPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

Try in consoleGet an API key
Context window
1.1Mtokens
Max output
128Ktokens
Input
$0.20/ 1M
Output
$1.20/ 1M

Quick start

from openai import OpenAI

client = OpenAI(
    base_url="https://neurongate.net/v1",
    api_key="sk-ng-your-api-key",
)

completion = client.chat.completions.create(
    model="openai/gpt-5.6-luna-pro",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(completion.choices[0].message.content)

Cost

Example requestTokensCost
Short prompt1K in$0.0002
Typical chat turn1K in · 500 out$0.0008
Document analysis10K in · 2K out$0.0044
Long context100K in · 10K out$0.032
Estimated cost per request$0.0008

Prices in USD. Billed per token actually used, from a balance prepaid in USDT, USDC, ETH or BTC.

Frequently asked questions

What is OpenAI GPT-5.6 Luna Pro?

GPT-5.6 Luna Pro is the same underlying model as [GPT-5.6 Luna](https://openrouter.ai/openai/gpt-5.6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

How much does OpenAI GPT-5.6 Luna Pro cost?

OpenAI GPT-5.6 Luna Pro is priced at $0.2 per 1 million input tokens and $1.2 per 1 million output tokens when accessed via NeuronGate. You pay per token — no subscriptions required. Top up with crypto (USDT, USDC, ETH, BTC).

Does OpenAI GPT-5.6 Luna Pro support streaming?

Yes, OpenAI GPT-5.6 Luna Pro supports streaming responses via NeuronGate's API. Use the standard "stream": true parameter in your request.

What is the context window of OpenAI GPT-5.6 Luna Pro?

OpenAI GPT-5.6 Luna Pro has a context window of 1.1M tokens (~788K words). Maximum output is 128K tokens.

Does OpenAI GPT-5.6 Luna Pro support function calling (tools)?

Yes, OpenAI GPT-5.6 Luna Pro supports function calling / tool use via NeuronGate's standard API.

How do I use OpenAI GPT-5.6 Luna Pro with NeuronGate?

Create a NeuronGate account, top up your balance with crypto, generate an API key, and use the model id openai/gpt-5.6-luna-pro in your requests. NeuronGate uses the OpenAI-compatible API format — set your base URL to https://neurongate.net/v1.

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