GPT-6 Luna
OpenAIChatIDGlobal
GPT-6 Luna is OpenAI's efficient model for focused, high-volume tasks, with text and image input, a 1.05M-token context window and up to 128K output tokens; list price $0.10 in / $0.50 out per 1M tokens, provider list as at 1 November 2026.
Provider list price
GPT-6 LunaPer 1M tokens, as at 1 November 2026
| Token type | Price |
|---|---|
| Input | 0.10 |
| Output | 0.50 |
| Cached input | 0.010 |
AUD is shown at a reference rate of 1 USD = 1.53 AUD; invoices use the rate on the day.
Your Seedrise rate is quoted per account against this list price. Request a rate card.
Specifications
| Model ID | gpt-6-luna |
| Provider | OpenAI |
| Type | Chat |
| Context window | 1.1M tokens (1,050,000) |
| Max output | 128K tokens (128,000) |
| Modalities | TextVisionToolsReasoning |
| Region | Global Provider global routing |
| Endpoints | OpenAI Chat Completions: https://api.seedrise.ai/v1 |
| Prices checked | 1 November 2026 |
Global: runs on the provider's global routing; no Australian-region option as at 1 November 2026. Over Chat Completions, which is how Seedrise serves it, OpenAI supports function calling on Luna only when reasoning effort is set to none.
Strengths
- List price one hundredth of GPT-6 Astra
- Reasoning effort from none to max, medium by default
- Cached input lists at $0.01 per 1M tokens
- Knowledge cutoff of 18 May 2026
Typical use cases
- Classification, tagging and routing at scale
- Short-form extraction and summarisation
- High-volume enrichment of records
- Lightweight assistants embedded in products
Quickstart
A first request with curl. Replace sk-... with your Seedrise key.
curl
curl https://api.seedrise.ai/v1/chat/completions \
-H "Authorization: Bearer sk-..." \
-H "Content-Type: application/json" \
-d '{"model":"gpt-6-luna","messages":[{"role":"user","content":"Hello"}]}'OpenAI SDK, Python
python
from openai import OpenAI
client = OpenAI(base_url="https://api.seedrise.ai/v1", api_key="sk-...")
r = client.chat.completions.create(
model="gpt-6-luna",
messages=[{"role": "user", "content": "Summarise this contract in three bullets."}],
)
print(r.choices[0].message.content)Where it runs
Global Served on the provider's global routing. Australian-region pinning is not on the rate card for this model; ask if you need it.
Questions about GPT-6 Luna
What is the model ID for GPT-6 Luna? +
Use
gpt-6-luna as the model field, with no vendor prefix, on the OpenAI-compatible endpoint at https://api.seedrise.ai/v1. GET /v1/models returns the IDs your key can call.How does the Seedrise rate for GPT-6 Luna compare to the list price? +
OpenAI's list price as at 1 November 2026 is US$0.10 per 1M input tokens and US$0.50 per 1M output tokens. Seedrise quotes rates per account against the provider's published list price for the same routing. Volume and committed tiers sit below list.
What is the context window and max output of GPT-6 Luna? +
GPT-6 Luna has a context window of 1,050,000 tokens and a maximum output of 128,000 tokens, per the provider documentation checked on 1 November 2026.
Can GPT-6 Luna run in Australia? +
Not at present. GPT-6 Luna is served on the provider's global routing. Models marked AU in the model library can be pinned to Sydney or Melbourne on request.
Why does function calling fail on GPT-6 Luna? +
OpenAI only supports function calling for Luna over Chat Completions when reasoning effort is none. Set reasoning_effort to none for tool calls, or route tool-heavy work to another model.
Does long-context pricing apply to GPT-6 Luna? +
Yes. Prompts over 272K input tokens are billed for the whole request at $0.20 in / $0.75 out and $0.02 cached per 1M tokens, at list as at 1 November 2026.
Get a rate for GPT-6 Luna
Per-model rates in writing within one business day, then a console login and a trial key.