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ISpeechToTextClient Feature Matrix

The ISpeechToTextClient interface provides a unified API for speech-to-text transcription.

Feature comparison

Feature Reka ElevenLabs AssemblyAI
File transcription Y Y Y
URL transcription Y - Y
Streaming -1 Y -
Translation Y - -
Timestamps Y Y Y

Universal code example

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using Microsoft.Extensions.AI;

ISpeechToTextClient client = /* any provider */;

// Transcribe an audio file
await using var stream = File.OpenRead("audio.mp3");
var result = await client.GetTextAsync(stream);
Console.WriteLine(result.Text);

Provider-specific initialization

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ISpeechToTextClient client = new ElevenLabsClient(apiKey)
    .AsSpeechToTextClient();

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ISpeechToTextClient client = new AssemblyAiClient(apiKey)
    .AsSpeechToTextClient();

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ISpeechToTextClient client = new RekaClient(apiKey)
    .AsSpeechToTextClient();

Per-SDK documentation

SDK Documentation
Reka tryagi.github.io/Reka/guides/meai/
ElevenLabs tryagi.github.io/ElevenLabs/guides/meai/
AssemblyAI tryagi.github.io/AssemblyAI/guides/meai/

  1. Reka delegates to non-streaming due to API limitations. ↩