Project AURIONAI Use-Cases Research & Innovation
LLM

GPT-5.2

OpenAI model that OpenAI for Healthcare (8 Jan 2026) runs on; no numeric HealthBench score is published for it.

OpenAIOpenAIUSAGPT-5Family
OpenAI
Levelmodel
ClassLLM
Parametersnot in the notes
Contextnot in the notes
Releasednot in the notes
Opennessproprietary
Runs onnot in the notes
Statusactive

Lineage

successorfinetune
GPT-5.2 to GPT-5.4: successor, medium confidenceGPT-5.4 to GPT-5.5: successor, medium confidenceGPT-5.2 to GPT-5.2-Codex: finetune, medium confidenceGPT-5.2GPT-5.2OpenAIGPT-5.4GPT-5.4OpenAIGPT-5.2-CodexGPT-5.2-CodexOpenAIGPT-5.5GPT-5.5OpenAI, Apr 2026
OpenAIGPT-5.4 is a child (successor)medium confidencenotes
OpenAIGPT-5.2-Codex is a child (finetune)medium confidencemodel card
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.

Industry Use Cases

Healthcare
Ambient clinical scribingClinical LLM (frontier proprietary)

R&D Topics

Domain adaptation (vertical models)used byFrontier pretraining scalingproduced by

Deployments

Abridge
Abridgeproduction8 Jan 2026

Named as API builder

Ambient clinical scribingcompany statementopenai.com
Ambience
Ambienceproduction8 Jan 2026

Named as API builder

Ambient clinical scribingcompany statementopenai.com
EliseAI
EliseAIproduction8 Jan 2026

Named as API builder

Clinical LLM (frontier proprietary)company statementopenai.com
AdventHealth
AdventHealthproductionUSA8 Jan 2026

Rolling out OpenAI for Healthcare (runs on GPT-5.2)

Clinical LLM (frontier proprietary)company statementopenai.comen.wikipedia.org
Baylor Scott & WhiteproductionUSA8 Jan 2026

Rolling out OpenAI for Healthcare (runs on GPT-5.2)

Clinical LLM (frontier proprietary)company statementopenai.comen.wikipedia.org
Boston Children's Hospital
Boston Children'sproductionUSA8 Jan 2026

Rolling out OpenAI for Healthcare (runs on GPT-5.2)

Clinical LLM (frontier proprietary)company statementopenai.comen.wikipedia.org
Cedars-Sinai Medical Center
Cedars-SinaiproductionUSA8 Jan 2026

Rolling out OpenAI for Healthcare (runs on GPT-5.2)

Clinical LLM (frontier proprietary)company statementopenai.comen.wikipedia.org
HCA Healthcare, Inc.
HCAproductionUSA8 Jan 2026

Rolling out OpenAI for Healthcare (runs on GPT-5.2)

Clinical LLM (frontier proprietary)company statementopenai.comen.wikipedia.org
Memorial Sloan Kettering Cancer Center
Memorial Sloan KetteringproductionUSA8 Jan 2026

Rolling out OpenAI for Healthcare (runs on GPT-5.2)

Clinical LLM (frontier proprietary)company statementopenai.comen.wikipedia.org
Stanford Medicine Children's Health
Stanford Medicine Children's HealthproductionUSA8 Jan 2026

Rolling out OpenAI for Healthcare (runs on GPT-5.2)

Clinical LLM (frontier proprietary)company statementopenai.comen.wikipedia.org
University of California, San Francisco
UCSFproductionUSA8 Jan 2026

Rolling out OpenAI for Healthcare (runs on GPT-5.2)

Clinical LLM (frontier proprietary)company statementopenai.comen.wikipedia.org
Where this comes from
From G13, the deployment rows of T08 to T10, and the Indonesian-language search of 11 October 2026. An outcome claim is the organisation's own unless the evidence type says independent report.

Identity

Developer
OpenAI
Family
GPT-5
Released
– sources
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
not in the notes
Input
text
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
not in the notes
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.

Benchmark Results

The notes record no benchmark result for this model.

Sources

  1. Models | OpenAI API developers.openai.com https://developers.openai.com/api/docs/models
  2. openai.com/index/openai-for-healthcare https://openai.com/index/openai-for-healthcare/

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "GPT-5.2", https://aurion.semai.id/models/openai-gpt-5-2/, records of October 2026.