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Sourced model record · Catalog current through July 21, 2026

Whisper

A reviewed catalog record from OpenAI, released September 21, 2022. This page reports only what named sources publish about this exact record, with receipts.

Open weights (unrestricted)Open weightsSpeech

What the evidence says

Developer
OpenAI
Released
September 21, 2022
Domains
Speech
Tasks
Speech recognition (ASR)
Access
Open weights (unrestricted)
Weights
Open weights

Common questions

What is Whisper?

Whisper is a OpenAI model released September 21, 2022, according to Epoch AI's reviewed catalog record. The record classifies it under speech.

How does Whisper rank on LMArena?

No board Model Gauntlet mirrors currently lists this exact model revision under a reviewed identity, so no rating is reported here.

What does Whisper cost?

No reviewed source carries pricing for this record, so no price is reported here.