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

Levelmodel
Classmultimodal LLM
Parametersnot in the notes
Context1,050,000
Released22 Sep 2026
Opennessproprietary
Runs onnot in the notes
Statusactive
Benchmark Results
independent
Artificial Analysis Intelligence Index v4.3.2composite index
maxindependent
38
03060
Score in index. Higher is better.
AA leaderboard, 205 current models
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-6 Astra is the parent (successor)medium confidencenotesWhere 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
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.
Links
Developer
OpenAIfrontier lab, USA
OpenAIfrontier lab, USAModel
GPT-6 LunaOpenAI, multimodal LLM
GPT-6 LunaOpenAI, multimodal LLMR&D TopicsFrontier Pretraining Scaling
Use CasesIndustrial Copilots and Maintenance AssistantsIndustrialClinical LLM (Frontier Proprietary)HealthcarePharma Documents, Regulatory and Life-Science R&DHealthcareAmbient Clinical ScribingHealthcare+2 moreUse cases of models in the same R&D topic; none is recorded for this model itself.
Who Runs It
PT Pertamina Geothermal EnergyIn production, 14 Jul 2026
Banner HealthIn production, 11 Jan 2026CommureIn production, 11 Jan 2026FlatironIn production, 11 Jan 2026+39 moreDeployments of these use cases; none names this model.
PT Pertamina Geothermal EnergyIn production, 14 Jul 2026
Banner HealthIn production, 11 Jan 2026CommureIn production, 11 Jan 2026FlatironIn production, 11 Jan 2026+39 moreDeployments of these use cases; none names this model.Organisations 1
Sources
- 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
- Models | OpenAI API developers.openai.com/api/docs/models https://developers.openai.com/api/docs/models
- 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.