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Cartesia offers a wide selection of fully multilingual voices with very low latency. Create a Cartesia account to browse and test voices in the Cartesia Playground.

Models ​

Cartesia provides multiple generations of its Sonic TTS model:

ModelDescription
sonic-3Default. Latest model with enhanced naturalness
sonic-2Second-generation model with improved quality
sonic-turboOptimized for ultra-low latency
sonicThe first version of Sonic, optimized for accuracy and low latency.

All Cartesia voices can be used with any model.

Sonic 3\ \ Learn about Cartesia’s latest Sonic 3 model. Previous models\ \ Documentation for older Sonic model versions.

Voices ​

Copy the voice ID from the table below:

Voice nameVoice ID
German Conversational Woman3f4ade23-6eb4-4279-ab05-6a144947c4d5
Nonfiction Man79f8b5fb-2cc8-479a-80df-29f7a7cf1a3e
Friendly Sidekicke00d0e4c-a5c8-443f-a8a3-473eb9a62355
French Conversational Ladya249eaff-1e96-4d2c-b23b-12efa4f66f41
French Narrator Lady8832a0b5-47b2-4751-bb22-6a8e2149303d
German Reporter Woman119e03e4-0705-43c9-b3ac-a658ce2b6639
Indian Lady3b554273-4299-48b9-9aaf-eefd438e3941
British Reading Lady71a7ad14-091c-4e8e-a314-022ece01c121
British Narration Lady4d2fd738-3b3d-4368-957a-bb4805275bd9
Japanese Children Book44863732-e415-4084-8ba1-deabe34ce3d2
Japanese Woman Conversational2b568345-1d48-4047-b25f-7baccf842eb0
Japanese Male Conversationale8a863c6-22c7-4671-86ca-91cacffc038d
Reading Lady15a9cd88-84b0-4a8b-95f2-5d583b54c72e
Newsmand46abd1d-2d02-43e8-819f-51fb652c1c61
Child2ee87190-8f84-4925-97da-e52547f9462c
Meditation Ladycd17ff2d-5ea4-4695-be8f-42193949b946
Maria5345cf08-6f37-424d-a5d9-8ae1101b9377
1920’s Radioman41534e16-2966-4c6b-9670-111411def906
Newsladybf991597-6c13-47e4-8411-91ec2de5c466
Calm Lady00a77add-48d5-4ef6-8157-71e5437b282d
Helpful Woman156fb8d2-335b-4950-9cb3-a2d33befec77
Mexican Woman5c5ad5e7-1020-476b-8b91-fdcbe9cc313c
California Girlb7d50908-b17c-442d-ad8d-810c63997ed9
Korean Narrator Woman663afeec-d082-4ab5-827e-2e41bf73a25b
Russian Calm Lady779673f3-895f-4935-b6b5-b031dc78b319
Russian Narrator Man 12b3bb17d-26b9-421f-b8ca-1dd92332279f
Russian Narrator Man 2da05e96d-ca10-4220-9042-d8acef654fa9
Russian Narrator Woman642014de-c0e3-4133-adc0-36b5309c23e6
Hinglish Speaking Lady95d51f79-c397-46f9-b49a-23763d3eaa2d
Italian Narrator Woman0e21713a-5e9a-428a-bed4-90d410b87f13
Polish Narrator Woman575a5d29-1fdc-4d4e-9afa-5a9a71759864
Chinese Female Conversationale90c6678-f0d3-4767-9883-5d0ecf5894a8
Pilot over Intercom36b42fcb-60c5-4bec-b077-cb1a00a92ec6
Chinese Commercial Maneda5bbff-1ff1-4886-8ef1-4e69a77640a0
French Narrator Man5c3c89e5-535f-43ef-b14d-f8ffe148c1f0
Spanish Narrator Mana67e0421-22e0-4d5b-b586-bd4a64aee41d
Reading Manf146dcec-e481-45be-8ad2-96e1e40e7f32
New York Man34575e71-908f-4ab6-ab54-b08c95d6597d
Friendly French Manab7c61f5-3daa-47dd-a23b-4ac0aac5f5c3
Barbershop Mana0e99841-438c-4a64-b679-ae501e7d6091
Indian Man638efaaa-4d0c-442e-b701-3fae16aad012
Australian Customer Support Man41f3c367-e0a8-4a85-89e0-c27bae9c9b6d
Friendly Australian Man421b3369-f63f-4b03-8980-37a44df1d4e8
Wise Manb043dea0-a007-4bbe-a708-769dc0d0c569
Friendly Reading Man69267136-1bdc-412f-ad78-0caad210fb40
Customer Support Mana167e0f3-df7e-4d52-a9c3-f949145efdab
Dutch Confident Man9e8db62d-056f-47f3-b3b6-1b05767f9176
Dutch Man4aa74047-d005-4463-ba2e-a0d9b261fb87
Hindi Reporter Manbdab08ad-4137-4548-b9db-6142854c7525
Italian Calm Man408daed0-c597-4c27-aae8-fa0497d644bf
Italian Narrator Man029c3c7a-b6d9-44f0-814b-200d849830ff
Swedish Narrator Man38a146c3-69d7-40ad-aada-76d5a2621758
Polish Confident Man3d335974-4c4a-400a-84dc-ebf4b73aada6
Spanish-speaking Storyteller Man846fa30b-6e1a-49b9-b7df-6be47092a09a
Kentucky Woman4f8651b0-bbbd-46ac-8b37-5168c5923303
Chinese Commercial Woman0b904166-a29f-4d2e-bb20-41ca302f98e9
Middle Eastern Womandaf747c6-6bc2-4083-bd59-aa94dce23f5d
Hindi Narrator Womanc1abd502-9231-4558-a054-10ac950c356d
Sarah694f9389-aac1-45b6-b726-9d9369183238
Sarah Curious794f9389-aac1-45b6-b726-9d9369183238
Laidback Woman21b81c14-f85b-436d-aff5-43f2e788ecf8
Reflective Womana3520a8f-226a-428d-9fcd-b0a4711a6829
Helpful French Lady65b25c5d-ff07-4687-a04c-da2f43ef6fa9
Pleasant Brazilian Lady700d1ee3-a641-4018-ba6e-899dcadc9e2b
Customer Support Lady829ccd10-f8b3-43cd-b8a0-4aeaa81f3b30
British Lady79a125e8-cd45-4c13-8a67-188112f4dd22
Wise Ladyc8605446-247c-4d39-acd4-8f4c28aa363c
Australian Narrator Lady8985388c-1332-4ce7-8d55-789628aa3df4
Indian Customer Support Ladyff1bb1a9-c582-4570-9670-5f46169d0fc8
Swedish Calm Ladyf852eb8d-a177-48cd-bf63-7e4dcab61a36
Spanish Narrator Lady2deb3edf-b9d8-4d06-8db9-5742fb8a3cb2
Salesman820a3788-2b37-4d21-847a-b65d8a68c99a
Yogamanf114a467-c40a-4db8-964d-aaba89cd08fa
Moviemanc45bc5ec-dc68-4feb-8829-6e6b2748095d
Wizardman87748186-23bb-4158-a1eb-332911b0b708
Australian Woman043cfc81-d69f-4bee-ae1e-7862cb358650
Korean Calm Woman29e5f8b4-b953-4160-848f-40fae182235b
Friendly German Manfb9fcab6-aba5-49ec-8d7e-3f1100296dde
Announcer Man5619d38c-cf51-4d8e-9575-48f61a280413
Wise Guide Man42b39f37-515f-4eee-8546-73e841679c1d
Midwestern Man565510e8-6b45-45de-8758-13588fbaec73
Kentucky Man726d5ae5-055f-4c3d-8355-d9677de68937
Brazilian Young Man5063f45b-d9e0-4095-b056-8f3ee055d411
Chinese Call Center Man3a63e2d1-1c1e-425d-8e79-5100bc910e90
German Reporter Man3f6e78a8-5283-42aa-b5e7-af82e8bb310c
Confident British Man63ff761f-c1e8-414b-b969-d1833d1c870c
Southern Man98a34ef2-2140-4c28-9c71-663dc4dd7022
Classy British Man95856005-0332-41b0-935f-352e296aa0df
Polite Manee7ea9f8-c0c1-498c-9279-764d6b56d189
Mexican Man15d0c2e2-8d29-44c3-be23-d585d5f154a1
Korean Narrator Man57dba6ff-fe3b-479d-836e-06f5a61cb5de
Turkish Narrator Man5a31e4fb-f823-4359-aa91-82c0ae9a991c
Turkish Calm Man39f753ef-b0eb-41cd-aa53-2f3c284f948f
Hindi Calm Manac7ee4fa-25db-420d-bfff-f590d740aeb2
Hindi Narrator Man7f423809-0011-4658-ba48-a411f5e516ba
Polish Narrator Man4ef93bb3-682a-46e6-b881-8e157b6b4388
Polish Young Man82a7fc13-2927-4e42-9b8a-bb1f9e506521
Alabama Male40104aff-a015-4da1-9912-af950fbec99e
Australian Male13524ffb-a918-499a-ae97-c98c7c4408c4
Anime Girl1001d611-b1a8-46bd-a5ca-551b23505334
Japanese Man Book97e7d7a9-dfaa-4758-a936-f5f844ac34cc
Sweet Ladye3827ec5-697a-4b7c-9704-1a23041bbc51
Commercial Ladyc2ac25f9-ecc4-4f56-9095-651354df60c0
Teacher Lady573e3144-a684-4e72-ac2b-9b2063a50b53
Princess8f091740-3df1-4795-8bd9-dc62d88e5131
Commercial Man7360f116-6306-4e9a-b487-1235f35a0f21
ASMR Lady03496517-369a-4db1-8236-3d3ae459ddf7
Professional Woman248be419-c632-4f23-adf1-5324ed7dbf1d
Tutorial Manbd9120b6-7761-47a6-a446-77ca49132781
Calm French Womana8a1eb38-5f15-4c1d-8722-7ac0f329727d
New York Woman34bde396-9fde-4ebf-ad03-e3a1d1155205
Spanish-speaking Lady846d6cb0-2301-48b6-9683-48f5618ea2f6
Midwestern Woman11af83e2-23eb-452f-956e-7fee218ccb5c
Sportsmaned81fd13-2016-4a49-8fe3-c0d2761695fc
Storyteller Lady996a8b96-4804-46f0-8e05-3fd4ef1a87cd
Spanish-speaking Man34dbb662-8e98-413c-a1ef-1a3407675fe7
Doctor Mischieffb26447f-308b-471e-8b00-8e9f04284eb5
Spanish-speaking Reporter Man2695b6b5-5543-4be1-96d9-3967fb5e7fec
Young Spanish-speaking Womandb832ebd-3cb6-42e7-9d47-912b425adbaa
The Merchant50d6beb4-80ea-4802-8387-6c948fe84208
Stern French Man0418348a-0ca2-4e90-9986-800fb8b3bbc0
Madame Mischiefe13cae5c-ec59-4f71-b0a6-266df3c9bb8e
German Storyteller Mandb229dfe-f5de-4be4-91fd-7b077c158578
Female Nurse5c42302c-194b-4d0c-ba1a-8cb485c84ab9
German Conversation Man384b625b-da5d-49e8-a76d-a2855d4f31eb
Friendly Brazilian Man6a16c1f4-462b-44de-998d-ccdaa4125a0a
German Womanb9de4a89-2257-424b-94c2-db18ba68c81a
Southern Womanf9836c6e-a0bd-460e-9d3c-f7299fa60f94
British Customer Support Ladya01c369f-6d2d-4185-bc20-b32c225eab70
Chinese Woman Narratord4d4b115-57a0-48ea-9a1a-9898966c2966

For more information, refer to Cartesia’s guide to Choosing a Voice.

Usage ​

Cartesia voice IDs conform to the following format:

cartesia.<voice_id>:<model>

Parameters:

  • voice_id (required): The UUID voice identifier from the Voices table
  • model (optional): One of the Sonic models listed above (default: sonic-3)

Examples:

cartesia.a167e0f3-df7e-4d52-a9c3-f949145efdab
cartesia.694f9389-aac1-45b6-b726-9d9369183238:sonic-3
cartesia.829ccd10-f8b3-43cd-b8a0-4aeaa81f3b30:sonic-turbo

Languages ​

Cartesia voices are fully multilingual when used with sonic-multilingual, sonic-2, sonic-3, or sonic-3 models. The multilingual models automatically adapt to the input text language.

Supported languages include: English, Spanish, French, German, Italian, Portuguese, Dutch, Polish, Russian, Chinese, Japanese, Korean, Hindi, Turkish, Swedish, and many more.

For the complete list, refer to Cartesia’s Sonic 3 language support and Sonic 2 language support references.

Examples ​

See how to use Cartesia voices on the SignalWire platform.

SWML ​
RELAY Realtime SDK ​
Call Flow Builder ​

Use the languages SWML method to set one or more voices for an AI agent.

version: 1.0.0
sections:
  main:
  - ai:
      prompt:
        text: Have an open-ended conversation about flowers.
      languages:
        - name: English
          code: en-US
          voice: cartesia.a167e0f3-df7e-4d52-a9c3-f949145efdab

Alternatively, use the say_voice parameter of the play SWML method to select a voice for basic TTS.

version: 1.0.0
sections:
  main:
  - set:
      say_voice: "cartesia.a167e0f3-df7e-4d52-a9c3-f949145efdab"
  - play: "say:Greetings. This is the Customer Support Man voice from Cartesia's Sonic text-to-speech model."

SignalWire Developer Documentation

Internal SOP Reference