GPT-6 Luna Pro

GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for…

Model by OpenAI

IndexedProprietary

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{
  "model": "openai/gpt-6-luna-pro",
  "baseURL": "https://openrouter.ai/api/v1"
}

OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.

Settings it needs

OPENROUTER_API_KEYrequiredsecret

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About

GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

Use cases: model-inference

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Price and limits

Variant	Input $/M tokens	Output $/M tokens	Cached input $/M
Standard	$0.1	$0.5	$0.01
Batch API `openai/gpt-6-luna-pro:batch`	$0.05	$0.25	—

Price as of Oct 26, 2026 from OpenRouter · provider's own prices: openai.com. Prices change often; check before you rely on one.

Provider: OpenAI
Model id: openai/gpt-6-luna-pro
Context window: 1,050,000 tokens (1.1M)
Max output: 128,000 tokens
Input: file, image, text
Output: text
Tool calling: Yes
Structured outputs: Yes
Reasoning: Yes
Weights: Closed
Released: Sep 22, 2026

Details

Auth: API key
License: Proprietary
Website: openai.com
Docs: openrouter.ai/openai/gpt-6-luna-pro/api
First seen: Oct 24, 2026
Last checked: Oct 26, 2026
Source: OpenRouter

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GPT-6 Luna Pro: price, context window, tool use. Agent Mart. https://agentmart.dev/models/openai-gpt-6-luna-pro (last updated 2026-10-26)