Kuo liliu ʻe he mīsini
COSA MODELS

Create voices and understand your users.
Meet Cosa.

Cosa is a speech AI family for converting text and speech, and registering and reusing voices.
Use it for service announcements, content creation, accessibility, and conversational agents.

Speech AI for conversational services

Combine speech synthesis, cloning, design, streaming, and recognition to build conversational services and voice interfaces.

Cosa-A

Fine control over speech synthesis

TTS Voice cloning Voice design Streaming

For voice services that need precise control
over speed, language, and synthesis methods.

Cosa-B

Voice selection and custom voice creation

Presets Description-based generation Reference voice reproduction

Create consistent brand or character voices
and reuse them across your content.

Cosa ASR

Transcription and speech recognition

Input
Live · Files
Output
Text

Turn calls, voice commands, and customer conversations into text
and connect it to CIP for processing.

Voice experiences built with Cosa

Choose speech synthesis, cloning, design, and recognition to fit your service.

Find the latest Cosa specifications in the developer docs

This page explains model capabilities and how to choose between them.
Find exact model IDs, input and output limits, supported features, and version changes in the developer docs.

Model IDs Input and output specs API examples Changelog
Cosa developer docs

Design the voice experience your service needs

CLEVI
Fekauʻaki
Ngaahi koloa
Models
Developers
Careers
Playground

Lea mo e feituʻu

Machine-translated languages are translated by clevi/cip-5.5-im and marked as such. This applies to languages with a published site bundle.

Lea ʻe 136

Fakaongoongoleleiʻi

1

ʻĒsia fakahahake

7

ʻĒsia fakatongahahake

11

ʻĒsia fakatonga

18

ʻĒsia lotoloto

5

Hahake Lotoloto mo Kaukasia

10

ʻEulope fakahihifo mo ʻEulope fakatonga

16

Pilitānia mo ʻAealani

4

ʻEulope fakatokelau

10

ʻEulope Lotoloto mo Pālakani

14

ʻEulope fakahahake

5

ʻAfilika fakahahake

8

ʻAfilika fakahihifo mo ʻAfilika lotoloto

9

ʻAfilika fakatonga

8

Ongo ʻAmelika

5

ʻOsēnia

5