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Whisper v3

Training compute
2.7×10²³ FLOP
Parameters
1.6B
Published
Nov 6, 2023

Whisper v3 is an AI model developed by OpenAI (United States), first published in November 2023. It works in the speech domain, on tasks such as speech recognition (asr).

Training it took an estimated 2.7×10²³ FLOP of compute (estimation method: comparison with other models). The model has 1,550,000,000 parameters. It was trained on roughly 80B datapoints.

Access: Open weights (unrestricted). Its weights are openly available. Epoch AI rates the confidence of this record as likely.

Full record
Organization
OpenAI
Country of organization
United States
Domain
Speech
Task
Speech recognition (ASR)
Training compute
2.7×10²³ FLOP
Compute estimation method
Comparison with other models
Parameters
1,550,000,000
Dataset size
80B
Model accessibility
Open weights (unrestricted)
Open weights
Yes
Epoch confidence
Likely
More from OpenAI
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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