Project AURIONAI Use-Cases Research & Innovation
OpenAI
speech recognition

whisper-base

Base-size Whisper checkpoint for speech recognition and speech translation, trained on 680k hours of labelled audio.

OpenAIOpenAIUSAWhisperFamily
Diagram of the Whisper approach: multitask training data, sequence to sequence model and task tokens.
Levelvariant
Classspeech recognition
Parameters72.59M
Contextnot in the notes
Released26 Sep 2022
Opennessopen weights permissive
Runs onnot in the notes
Statusactive

R&D Topics

Massively multilingual speech recognitionproduced by

Identity

Developer
OpenAI
Family
Whisper
Released
26 Sep 2022 sourcesregistry date
Weights published
–
Record checked
12 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 encoder-decoder transformer
Total parameters
72.59M sources
Active parameters
–
Checkpoint parameters
–
Note
Hugging Face safetensors count; an English-only base.en checkpoint is also published.
Context length
not in the notes
Input
audio
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
open weights permissive
Licence
MIT License sources
Access routes
open weights download
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
listed by developer
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
Multilingual; the Hugging Face card lists Indonesian (id) among its language tags
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.

Lineage

The notes record no lineage for this model.

Industry Use Cases

No industry use case links this model.

Sources

  1. github.com/openai/whisper https://github.com/openai/whisper
  2. huggingface.co/openai/whisper-base https://huggingface.co/openai/whisper-base
  3. arxiv.org/abs/2212.04356 https://arxiv.org/abs/2212.04356

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Whisper-Base", https://aurion.semai.id/models/openai-whisper-base/, records of October 2026.