> ## Documentation Index
> Fetch the complete documentation index at: https://docs.venice.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# GPT-6 Luna API

> GPT-6 Luna API on Venice: 1.05M context, $0.10 input and $0.50 output per 1M tokens. Anonymized access without your identity. Pricing, specs and code examples.

> [accordion] Plain-text specification
>
> ## GPT-6 Luna API
>
> GPT-6 Luna is a large language model by OpenAI, available on the Venice API as `openai-gpt-6-luna`. Requests are anonymized, so the provider never sees your identity.
>
> GPT-6 Luna is OpenAI's most efficient GPT-6 model for focused, high-volume tasks. It is suited for chat, classification, and lightweight agentic workflows, with a 1.05M token context window (922K input, 128K output), text and image inputs, and capable reasoning for its price tier.
>
> ### GPT-6 Luna API pricing
>
> | Model ID | Variant | Privacy | Price |
> | - | - | - | - |
> | `openai-gpt-6-luna` | Standard | Anonymized | $0.10 / $0.50 per 1M |
>
> ### GPT-6 Luna specifications
>
> | Spec | Value |
> | - | - |
> | Provider | OpenAI |
> | Released | Sep 22, 2026 |
> | Privacy | Anonymized |
> | Status | Stable |
> | Context window | 1.05M tokens |
> | Max output | 128K tokens |
> | Reasoning effort | none, low, medium, high, xhigh, max |
>
> ### How to use the GPT-6 Luna API
>
> Send requests to `POST https://api.venice.ai/api/v1/responses` with `"model": "openai-gpt-6-luna"` and your API key.
>
> ```bash theme={"system"}
> curl https://api.venice.ai/api/v1/responses \
>   -H "Authorization: Bearer $VENICE_API_KEY" \
>   -H "Content-Type: application/json" \
>   -d '{
>     "model": "openai-gpt-6-luna",
>     "input": "Explain TEE attestation in two sentences.",
>     "reasoning": { "effort": "high" }
>   }'
> ```
>
> ### Related models
>
> * [GPT-5.6 Luna API](https://docs.venice.ai/models/gpt-5-6-luna.md): $0.20 / $1.20 per 1M
> * [Claude Haiku 5.5 API](https://docs.venice.ai/models/claude-haiku-5-5.md): $0.10 / $0.50 per 1M
> * [MiMo-V2.6-Flash API](https://docs.venice.ai/models/mimo-v2-6-flash.md): $0.175 / $0.35 per 1M
> * [Qwen 3.8 Flash API](https://docs.venice.ai/models/qwen-3-8-flash.md): $0.14 / $0.49 per 1M
> * [GLM 5.3 Flash API](https://docs.venice.ai/models/glm-5-3-flash.md): $0.15 / $0.50 per 1M


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