# OpenAI: GPT-6 Luna

OpenAI: GPT-6 Luna offers a 1,050,000-token context window at $0.10 per 1M input tokens and $0.50 per 1M output tokens. Supported inputs: file, image, text. Data via OpenRouter /models, as of Oct 29, 2026.

Source: **OpenRouter /models** · _as of Oct 29, 2026_

[OpenRouter model catalogue feed](https://openrouter.ai/api/v1/models)

- [OpenAI: GPT-6 Luna source listing](https://openrouter.ai/openai/gpt-6-luna)

These are provider-catalog specifications, not a task-quality benchmark. Prices describe the source listing and may vary by provider or routing. Unknown values are shown as — when the feed did not supply that value.

## Specifications

| Context window | 1,050,000 tokens |
| --- | --- |
| Input price | $0.10 / 1M tokens |
| Output price | $0.50 / 1M tokens |
| Input modalities | file, image, text |
| Output modalities | text |
| Model id | openai/gpt-6-luna |

## Frequently asked questions

### What is the context window of OpenAI: GPT-6 Luna?

OpenAI: GPT-6 Luna supports up to 1,050,000 tokens of context.

### How much does OpenAI: GPT-6 Luna cost?

$0.10 per 1M input tokens and $0.50 per 1M output tokens (via OpenRouter /models, as of Oct 29, 2026).

### What input types does OpenAI: GPT-6 Luna support?

OpenAI: GPT-6 Luna accepts file, image, text.

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Source: https://prompeteer.ai/models/openai-gpt-6-luna