Languages and locales supported by Amazon Lex V2

Publisher

Amazon Web Services

URL

https://docs.aws.amazon.com/lexv2/latest/dg/how-languages.html

Published

unknown

Updated

unknown

Accessed

2026-09-25

HTTP status

200

License

AWS Site Terms; copyright Amazon Web Services; no-redistribution; short excerpts and locators only

Source notes citing this source

• Several Lex V2 speech features are English-only: custom vocabulary and runtime slot hints are limited to en_GB and en_US, and the grammar slot type and spelling styles to en_AU, en_GB and en_US. in context
• Amazon Lex V2 marks many locales (for example af_ZA, cs_CZ, he_IL, tr_TR, vi_VN) with an asterisk meaning limited feature support via generative AI and third-party ASR or TTS, and nl_BE and fr_BE are supported only with third-party ASR (Deepgram). in context
• Twelve Lex V2 locales, including zh_CN, zh_HK, hi_IN, pt_BR and pl_PL, are not available in the Asia Pacific (Singapore) ap-southeast-1 Region. in context

Cite this source record

APA

WarmTransfer. (2026, September 25). Languages and locales supported by Amazon Lex V2. WarmTransfer. https://warmtransfer.net/knowledge/sources/aws-lexv2-languages

BibTeX

@misc{warmtransfer-aws-lexv2-languages,
  title  = {Languages and locales supported by Amazon Lex V2},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/aws-lexv2-languages},
  note   = {Amazon Web Services, accessed 2026-09-25}
}