From de55f80dd3d578f9e5bf4c7180cf64af2994355c Mon Sep 17 00:00:00 2001
From: AssemblyAI <engineering.sdk@assemblyai.com>
Date: Wed, 5 Nov 2025 11:16:00 -0700
Subject: [PATCH] Project import generated by Copybara.

GitOrigin-RevId: b23e5ed90052c77b687a544bba156914e1b47046
---
 assemblyai/__version__.py |  2 +-
 assemblyai/types.py       | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/assemblyai/__version__.py b/assemblyai/__version__.py
index d605a06..6f70987 100644
--- a/assemblyai/__version__.py
+++ b/assemblyai/__version__.py
@@ -1 +1 @@
-__version__ = "0.45.5"
+__version__ = "0.46.0"
diff --git a/assemblyai/types.py b/assemblyai/types.py
index 1f90219..a98d7ee 100644
--- a/assemblyai/types.py
+++ b/assemblyai/types.py
@@ -499,6 +499,31 @@ class LanguageDetectionOptions(BaseModel):
         None,
         description="The language to fallback to in case the language detection does not predict any of the expected ones.",
     )
+    code_switching: Optional[bool] = Field(
+        None,
+        description="Enable code switching detection for multilingual transcription.",
+    )
+    code_switching_confidence_threshold: Optional[float] = Field(
+        None,
+        description="The confidence threshold for code switching detection. Valid values are in the range [0,1] inclusive.",
+    )
+
+
+class CodeSwitchingLanguage(BaseModel):
+    """Code switching language detection result"""
+
+    language_code: str
+    "The language code detected"
+
+    confidence: float
+    "The confidence score for this language detection, between 0.0 and 1.0"
+
+
+class LanguageDetectionResults(BaseModel):
+    """Language detection results including code switching languages"""
+
+    code_switching_languages: Optional[List[CodeSwitchingLanguage]] = None
+    "List of detected languages with confidence scores when code switching is enabled"
 
 
 class SpeakerType(str, Enum):
@@ -815,6 +840,9 @@ class RawTranscriptionConfig(BaseModel):
     language_codes: Optional[List[Union[str, LanguageCode]]] = None
     "List of language codes detected in the audio file when language detection is enabled"
 
+    code_switching_languages: Optional[List[CodeSwitchingLanguage]] = None
+    "List of detected languages with confidence scores when code switching is enabled"
+
     speech_understanding: Optional[SpeechUnderstandingRequest] = None
     "Speech understanding configuration for LLM Gateway features"
 
@@ -1408,6 +1436,12 @@ def language_codes(self) -> Optional[List[Union[str, LanguageCode]]]:
 
         return self._raw_transcription_config.language_codes
 
+    @property
+    def code_switching_languages(self) -> Optional[List[CodeSwitchingLanguage]]:
+        "Returns the list of detected languages with confidence scores when code switching is enabled."
+
+        return self._raw_transcription_config.code_switching_languages
+
     # endregion
 
     # region: Convenience (helper) methods
@@ -2089,6 +2123,9 @@ class BaseTranscript(BaseModel):
     language_codes: Optional[List[Union[str, LanguageCode]]] = None
     "List of language codes detected in the audio file when language detection is enabled"
 
+    code_switching_languages: Optional[List[CodeSwitchingLanguage]] = None
+    "List of detected languages with confidence scores when code switching is enabled"
+
     speech_threshold: Optional[float] = None
     "Reject audio files that contain less than this fraction of speech. Valid values are in the range [0,1] inclusive"