See the Cloud Speech
documentation
for which models have different variants. For example, the "phone_call" model
has both a standard and an enhanced variant. When you use an enhanced model,
you will generally receive higher quality results than for a standard model.
If the API caller isn't eligible for enhanced models, Dialogflow returns
an error. Please see the Dialogflow
docs
for how to make your project eligible.
USE_ENHANCED = 3;
USE_ENHANCED_VALUE
Use an enhanced model variant:
If an enhanced variant does not exist for the given
model and request
language, Dialogflow falls back to the standard variant.
If the API caller isn't eligible for enhanced models, Dialogflow returns
an error. Please see the Dialogflow
docs
for how to make your project eligible.
USE_ENHANCED = 3;
USE_STANDARD
Use standard model variant even if an enhanced model is available. See the
Cloud Speech
documentation
for details about enhanced models.
USE_STANDARD = 2;
USE_STANDARD_VALUE
Use standard model variant even if an enhanced model is available. See the
Cloud Speech
documentation
for details about enhanced models.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[],[],null,["# Enum SpeechModelVariant (4.78.0)\n\nVersion latestkeyboard_arrow_down\n\n- [4.78.0 (latest)](/java/docs/reference/google-cloud-dialogflow/latest/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.76.0](/java/docs/reference/google-cloud-dialogflow/4.76.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.74.0](/java/docs/reference/google-cloud-dialogflow/4.74.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.73.0](/java/docs/reference/google-cloud-dialogflow/4.73.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.70.0](/java/docs/reference/google-cloud-dialogflow/4.70.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.69.0](/java/docs/reference/google-cloud-dialogflow/4.69.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.68.0](/java/docs/reference/google-cloud-dialogflow/4.68.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.66.0](/java/docs/reference/google-cloud-dialogflow/4.66.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.65.0](/java/docs/reference/google-cloud-dialogflow/4.65.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.64.0](/java/docs/reference/google-cloud-dialogflow/4.64.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.63.0](/java/docs/reference/google-cloud-dialogflow/4.63.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.62.0](/java/docs/reference/google-cloud-dialogflow/4.62.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.61.0](/java/docs/reference/google-cloud-dialogflow/4.61.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.60.0](/java/docs/reference/google-cloud-dialogflow/4.60.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.59.0](/java/docs/reference/google-cloud-dialogflow/4.59.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.58.0](/java/docs/reference/google-cloud-dialogflow/4.58.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.57.0](/java/docs/reference/google-cloud-dialogflow/4.57.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.55.0](/java/docs/reference/google-cloud-dialogflow/4.55.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.54.0](/java/docs/reference/google-cloud-dialogflow/4.54.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.53.0](/java/docs/reference/google-cloud-dialogflow/4.53.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.52.0](/java/docs/reference/google-cloud-dialogflow/4.52.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.51.0](/java/docs/reference/google-cloud-dialogflow/4.51.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.50.0](/java/docs/reference/google-cloud-dialogflow/4.50.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.49.0](/java/docs/reference/google-cloud-dialogflow/4.49.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.48.0](/java/docs/reference/google-cloud-dialogflow/4.48.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.47.0](/java/docs/reference/google-cloud-dialogflow/4.47.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.46.0](/java/docs/reference/google-cloud-dialogflow/4.46.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.45.0](/java/docs/reference/google-cloud-dialogflow/4.45.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.43.0](/java/docs/reference/google-cloud-dialogflow/4.43.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.42.0](/java/docs/reference/google-cloud-dialogflow/4.42.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.41.0](/java/docs/reference/google-cloud-dialogflow/4.41.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.40.0](/java/docs/reference/google-cloud-dialogflow/4.40.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.39.0](/java/docs/reference/google-cloud-dialogflow/4.39.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.38.0](/java/docs/reference/google-cloud-dialogflow/4.38.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.37.0](/java/docs/reference/google-cloud-dialogflow/4.37.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.36.0](/java/docs/reference/google-cloud-dialogflow/4.36.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.35.0](/java/docs/reference/google-cloud-dialogflow/4.35.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.34.0](/java/docs/reference/google-cloud-dialogflow/4.34.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.33.0](/java/docs/reference/google-cloud-dialogflow/4.33.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.30.0](/java/docs/reference/google-cloud-dialogflow/4.30.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.29.0](/java/docs/reference/google-cloud-dialogflow/4.29.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.28.0](/java/docs/reference/google-cloud-dialogflow/4.28.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.27.0](/java/docs/reference/google-cloud-dialogflow/4.27.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.26.0](/java/docs/reference/google-cloud-dialogflow/4.26.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.25.0](/java/docs/reference/google-cloud-dialogflow/4.25.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.24.0](/java/docs/reference/google-cloud-dialogflow/4.24.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.23.0](/java/docs/reference/google-cloud-dialogflow/4.23.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.22.0](/java/docs/reference/google-cloud-dialogflow/4.22.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.21.0](/java/docs/reference/google-cloud-dialogflow/4.21.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.20.0](/java/docs/reference/google-cloud-dialogflow/4.20.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.19.0](/java/docs/reference/google-cloud-dialogflow/4.19.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.18.0](/java/docs/reference/google-cloud-dialogflow/4.18.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.17.0](/java/docs/reference/google-cloud-dialogflow/4.17.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.15.0](/java/docs/reference/google-cloud-dialogflow/4.15.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.14.0](/java/docs/reference/google-cloud-dialogflow/4.14.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.13.0](/java/docs/reference/google-cloud-dialogflow/4.13.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.12.0](/java/docs/reference/google-cloud-dialogflow/4.12.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.11.0](/java/docs/reference/google-cloud-dialogflow/4.11.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.10.0](/java/docs/reference/google-cloud-dialogflow/4.10.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.9.1](/java/docs/reference/google-cloud-dialogflow/4.9.1/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.8.6](/java/docs/reference/google-cloud-dialogflow/4.8.6/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.7.5](/java/docs/reference/google-cloud-dialogflow/4.7.5/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.6.0](/java/docs/reference/google-cloud-dialogflow/4.6.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.5.11](/java/docs/reference/google-cloud-dialogflow/4.5.11/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.4.0](/java/docs/reference/google-cloud-dialogflow/4.4.0/com.google.cloud.dialogflow.v2.SpeechModelVariant)\n- [4.3.1](/java/docs/reference/google-cloud-dialogflow/4.3.1/com.google.cloud.dialogflow.v2.SpeechModelVariant) \n\n public enum SpeechModelVariant extends Enum\u003cSpeechModelVariant\u003e implements ProtocolMessageEnum\n\nVariant of the specified Speech model to use.\n\nSee the [Cloud Speech\ndocumentation](https://cloud.google.com/speech-to-text/docs/enhanced-models)\nfor which models have different variants. For example, the \"phone_call\" model\nhas both a standard and an enhanced variant. When you use an enhanced model,\nyou will generally receive higher quality results than for a standard model.\n\nProtobuf enum `google.cloud.dialogflow.v2.SpeechModelVariant` \n\nImplements\n----------\n\n[ProtocolMessageEnum](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.ProtocolMessageEnum.html) \n\nInherited Members\n-----------------\n\n[Enum.\\\u003cT\\\u003evalueOf(Class\\\u003cT\\\u003e,String)](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#valueOf-java.lang.Class-java.lang.String-) \n[Enum.clone()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#clone--) \n[Enum.compareTo(E)](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#compareTo-E-) \n[Enum.equals(Object)](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#equals-java.lang.Object-) \n[Enum.finalize()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#finalize--) \n[Enum.getDeclaringClass()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#getDeclaringClass--) \n[Enum.hashCode()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#hashCode--) \n[Enum.name()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#name--) \n[Enum.ordinal()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#ordinal--) \n[Enum.toString()](https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html#toString--) \n[Object.getClass()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass--) \n[Object.notify()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--) \n[Object.notifyAll()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll--) \n[Object.wait()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--) \n[Object.wait(long)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-) \n[Object.wait(long,int)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-)"]]