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docs: add Universal-3 Pro upgrade callout to Universal-2 code switching section #786

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MAsuamah merged 1 commit into from
Mar 18, 2026
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docs: add Universal-3 Pro upgrade callout to Universal-2 code switching section #786

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4 changes: 4 additions & 0 deletions fern/pages/speech-to-text/pre-recorded-audio/code-switching-docs.mdx
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Expand Up @@ -142,6 +142,10 @@ Supports code switching between 99 languages, with best performing code switchin

To enable code switching for Universal-2 only, set `speech_models` to `universal-2`, set `language_detection` as `True`, and set `code_switching` as `True` as shown in the example below.

<Note>
If your use case involves code-switching between English, Spanish, Portuguese, French, German, or Italian, we recommend upgrading to Universal-3 Pro. It delivers significantly improved accuracy when speakers alternate between these languages mid-speech — outperforming Universal-2 across all supported language pairs.
</Note>

<CodeBlocks>

```python title="Python SDK" {12} maxLines=15
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