New Provider: @ai-sdk/amazon-transcribe

[MrHertal]

Description

I'd like to propose adding a first-party @ai-sdk/amazon-transcribe provider for Amazon Transcribe.

Motivation: Amazon Bedrock is currently absent from the AI SDK's list of transcription models. This is correct, because audio transcription on AWS is provided by Amazon Transcribe, a separate service from Bedrock (different endpoints and API shape). Rather than entangle Transcribe into @ai-sdk/amazon-bedrock, I'd like to add a dedicated transcription-only provider, matching the existing precedent of @ai-sdk/deepgram, @ai-sdk/revai, @ai-sdk/gladia, and @ai-sdk/assemblyai.

Scope (initial):

• Implements the transcribe() function via TranscriptionModelV4 using the Amazon Transcribe batch API (StartTranscriptionJob + poll GetTranscriptionJob).
• Since transcribe() provides raw audio bytes but batch Transcribe reads from S3, the provider uploads the audio to a configured S3 bucket (providerOptions.amazonTranscribe.inputBucket) before starting the job, then downloads and parses the transcript on completion.
• Auth via AWS SigV4 (region/credentials/credentialProvider, consistent with @ai-sdk/amazon-bedrock).
• Returns text, segments, language, and duration.
• Streaming transcription is intentionally out of scope — it doesn't fit the one-shot transcribe() interface, and the conversational RealtimeModelV4 spec is a poor fit for one-directional STT. Could be revisited later if a streaming-transcription spec is introduced.

I'm willing to build and maintain this provider following the existing contribution guidelines. I already have an initial v0.0.0 implementation (package, tests passing on Node + Edge, docs, example, changeset) and am ready to open a PR once this is validated.

References:

• Service: https://aws.amazon.com/transcribe/
• StartTranscriptionJob API: https://docs.aws.amazon.com/transcribe/latest/APIReference/API_StartTranscriptionJob.html

AI SDK Version

No response

Code of Conduct

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