Detailed documentation is available about functionality supported by speech recognition endpoints here and languages here.
2025-08-06
beta
New dictation functionality available: Formatting. Take control over how dates, time, units, and numbers should be transcribed in the streaming speech to text output. See detailed API specification details here and documentation of all available formatting options here.
2025-07-28
Updated German (de) Premier language model is now available for dictation (via /transcribe) and ambient (via /stream) use cases. Over 100,000 medical terms were included in the training data sets.
2025-07-18
Hungarian (hu) Premier language model is now available for dictation.
2025-07-04
Swedish (sv) Premier language model is now available for dictation including support for spoken punctuation.
2025-06-25
Norwegian (no) and Swedish (sv) Enhanced language models now available for ambient documentation workflows via /stream endpoint and dictation workflows via /transcribe endpoint.
2025-05-30
Danish (da), German (de), and French (fr) Premier language models now available for dictation workflows via /transcribe endpoint.
2025-03-28
Swiss German (de-CH) Enhanced language model now available for ambient documentation workflows via /stream endpoint.
2025-03-11
French (fr) Enhanced language model now available via for ambient document generation workflows /stream endpoint.
2025-03-08
Introducing a new tier system for defining functionality and performance of ASR language models. Read more about it here.
2025-02-25
Updated German (de) and Swiss German (de-CH) language models available.
2025-02-11
Updated Danish (da) and Swedish (sv) language models available.
2025-01-28
Announcing the launch of Corti Foundation Models. Read more about it here: Corti Foundation Models.The following languages are supported by Corti ASR: English (en or en-US for US English, and en-GB for UK English), Danish (da), German (de), Swiss German (de-CH), French (fr), Swedish (sv), Spanish (es), Norwegian (nl), Dutch (no), Italian (it), and Portuguese (pt)