Project AURIONAI Use-Cases Research & Innovation
tabular

TabPFN-3.5

Latest Prior Labs TabPFN, not yet benchmarked.

Prior LabsPrior LabsGermanyTabPFNFamily
Prior Labs
Levelmodel
Classtabular
Parametersnot in the notes
Contextnot in the notes
ReleasedSep 2026
Opennessunknown
Runs onnot in the notes
Statusactive

Lineage

successor
TabPFN-2.6 to TabPFN-3: successor, medium confidenceTabPFN-3 to TabPFN-3.5: successor, high confidenceTabPFN-2.6TabPFN-2.6Prior Labs, Mar 2026TabPFN-3TabPFN-3Prior Labs, May 2026TabPFN-3.5TabPFN-3.5Prior Labs, Sep 2026
Prior LabsTabPFN-3 is the parent (successor)high 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, 3 models. Confidence and evidence are the notes' own.

R&D Topics

Tabular foundation modelsproduced by

Identity

Developer
Prior Labs
Family
TabPFN
Released
Sep 2026 sourcesannouncement page
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
dense transformer Single multitask checkpoint; 3.5-Fast in alpha
Total parameters
– sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
table
Output
table
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
unknown
Licence
not in the notes 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
Up to 20,000 features, 1M rows
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.

Industry Use Cases

No industry use case links this model.

Sources

  1. docs.priorlabs.ai/changelog.md https://docs.priorlabs.ai/changelog.md

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "TabPFN-3.5", https://aurion.semai.id/models/prior-labs-tabpfn-3-5/, records of October 2026.