Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.

​ To learn more, see the sources I considered: [[1] The 8 Best AI Voice Agents with Multilingual Support | Retell AI](https://www.retellai.com/blog/8-leading-multilingual-ai-voice-agents) [[2] Update Chat Agent](https://docs.retellai.com/api-references/update-chat-agent) [[3] List Chat Agents](https://docs.retellai.com/api-references/list-chat-agents) [[4] Create Chat Agent](https://docs.retellai.com/api-references/create-chat-agent) [[5] Discord message from @zzzxvzxvzvzv_55797 on 2025-02-27](https://discord.com/channels/1186424376300679209/1186462578310910112/1344778777628114965) [[6] Speech recognition provider comparison](https://docs.retellai.com/build/asr-provider-comparison) ​

### Answer Yes, Retell AI supports both Spanish and English through multilingual capabilities. [(1) ]() For agents that need to handle both languages, you can use the

multi

language setting, which currently supports Spanish and English. [(2) ]() [(3) ]() [(4) ]() When creating or updating an agent, set the

language

parameter to

"multi"

. For code-switching within a single conversation (where users switch between Spanish and English) , you should: 1. Use the multilingual Spanish/English language model by setting

language

to

"multi"

2. Include prompting instructions like "ask the user their language preference in english and spanish, and once they have told you, use this consistently throughout your conversation" [(5) ]() Retell automatically routes to the best speech recognition provider based on your language selection. [(6) ]() For multilingual support with Spanish and English, Deepgram's multilingual mode supports code-switching across these languages. Note that prompts for Spanish agents can be written in English with instructions to speak Spanish, and this works effectively. [(5) ]()

### Answer Yes, Retell AI supports 50+ languages. [(1) ]() [(2) ]() [(3) ]() The full list includes: [(1) ]() - English (US, India, UK, Australia, New Zealand) - Spanish (Spain, Latin America) - French - Chinese - German - Hindi - Japanese - Portuguese (Portugal, Brazil) - Russian - Italian - Korean - Dutch - Dutch (Belgium) - Polish - Turkish - Vietnamese - Romanian - Danish - Finnish - Greek - Indonesian - Norwegian - Slovak - Swedish - Bulgarian - Hungarian - Malay - Catalan - Thai Additionally, the platform recently added 22 more languages including: [(2) ]() - Afrikaans - Arabic - Azerbaijani - Bosnian - Welsh - Persian - Filipino - Galician - Hebrew - Croatian - Armenian - Icelandic - Kazakh - Kannada - Macedonian - Marathi - Nepali - Slovenian - Serbian - Swahili - Tamil - Urdu For automatic language detection and switching, Retell agents can detect and switch between 10+ languages including English, Spanish, French, German, Hindi, Russian, Portuguese, Japanese, Italian, and Dutch. [(1) ]()

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.

​ To learn more, see the sources I considered: [[1] Retell AI Supported Languages - AI for Multilingual Conversations | Retell AI](https://www.retellai.com/blog/how-to-use-ai-phone-agents-for-multilingual-communication) [[2] Smarter Understanding, Clearer Calls: Retell’s ASR Just Got a Major Upgrade | Retell AI](https://www.retellai.com/blog/retell-asr) [[3] 22 new languages, that's 50+ Live for all Retell customers](https://community.retellai.com/t/22-new-languages-thats-50-live-for-all-retell-customers/163) ​