Deepgram

weights

closed

data

closed

code

closed

license

Proprietary(API only)

Nova is served through Deepgram's API or a licensed self-hosted deployment; the weights are not published and no training data or code is released.

• https://deepgram.com/learn/introducing-nova-3-speech-to-text-api recorded 2026-09-27

  Launch post describes Nova-3 as an API model available in cloud and "Self-hosted" deployments for enterprise customers; no weights, data or code are published.

Nothing to count: Deepgram publishes no request, developer or customer count on its homepage or the Nova-3 launch post, and the model has no public download channel.

• https://deepgram.com/ recorded 2026-09-27

  Homepage offers the API to "developers and product teams" and names customers, with no usage count.

• https://deepgram.com/learn/introducing-nova-3-speech-to-text-api recorded 2026-09-27

  Launch post describes the model and its benchmark; no usage figure appears.

Deepgram has the highest median speed factor on the board, but its word error rate trails most current commercial recognizers.

• https://artificialanalysis.ai/speech-to-text recorded 2026-09-27

  Table row "Nova-3" (Deepgram) with Word Error Rate "5.2%" and Median Speed Factor "564.1".