Project AURIONAI Use-Cases Research & Innovation
multimodal LLM

GPT-6 Luna

Lowest-cost GPT-6 tier with effort levels none to max (reported 22 or 23 Sep 2026).

OpenAI
Levelmodel
Classmultimodal LLM
Parametersnot in the notes
Context1,050,000
Released22 Sep 2026
Opennessproprietary
Runs onnot in the notes
Statusactive

Benchmark Results

independent
maxindependent
38
03060

Score in index. Higher is better.

AA leaderboard, 205 current models10 Oct 2026 artificialanalysis.ai
Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).

Lineage

successor
GPT-5.6 Sol to GPT-6 Astra: successor, medium confidenceGPT-6 Astra to GPT-6 Luna: successor, medium confidenceGPT-6 Astra to GPT-6 Sol: successor, medium confidenceGPT-5.6 SolGPT-5.6 SolOpenAI, Jul 2026GPT-6 AstraGPT-6 AstraOpenAI, Sep 2026GPT-6 LunaGPT-6 LunaOpenAI, Sep 2026GPT-6 SolGPT-6 SolOpenAI, Sep 2026
OpenAIGPT-6 Astra is the parent (successor)medium confidencenotes
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 4 models. Confidence and evidence are the notes' own.

R&D Topics

Identity

Developer
OpenAI
Family
GPT-6
Released
22 Sep 2026 sourcessecondary report
Weights published
–
Record checked
10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
not in the notes Not disclosed
Total parameters
– sources
Active parameters
–
Checkpoint parameters
–
Context length
1,050,000 tokens
Input
text, image
Output
text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
proprietary
Licence
Proprietary sources
Access routes
API
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
Max output 128K.
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Industry Use Cases

No industry use case links this model.

Sources

  1. OpenAI Expands GPT-6 Lineup With Cheaper Sol and Luna Models deccanchronicle.com https://www.deccanchronicle.com/technology/openai-expands-gpt-6-lineup-with-cheaper-sol-and-luna-models-1989855
  2. Models | OpenAI API developers.openai.com/api/docs/models https://developers.openai.com/api/docs/models
  3. Models | OpenAI API developers.openai.com/api/docs/models https://developers.openai.com/api/docs/models

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "GPT-6 Luna", https://aurion.semai.id/models/openai-gpt-6-luna/, records of October 2026.