Sparse Transformer — EchtRaaW Passport

// PASSPORT

Sparse Transformer

OpenAI · Multimodal model · Registered 2026-03-04

IDENTITY

Developer

OpenAI

Confirmed by

Confirmed via https://openai.com/index/sparse-transformer

First registered

2026-03-04 (rss_pipeline)

Developer confirmed

2019-04-23

Gate

PROVENANCE COMPLETE

PROVENANCE

Claimed developer

OpenAI

Confirmed developer

OpenAI

Delta

— · match confirmed

EU COMPLIANCE

AI Act

GPAI ⓘ

PASSPORT FIELDS

Model type

Multimodal

Parameters

~152M (largest reported configuration; varies by benchmark task)

Context window

Tens of thousands to up to ~1 million timesteps (theoretical upper bound demonstrated in paper)

Open source

Yes

Weights available

License

—

PROVENANCE TIMELINE

2026-03-04

First recorded in AI news