Build Accurate Speech Apps With OpenRouter and AssemblyAI (Full Transcript)

Use AssemblyAI Universal-3.5 Pro through OpenRouter for contextual transcription, then route results to 500+ LLMs with one API key.
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[00:00:00] Speaker 1: Hey, as a developer, you find 500 plus models on OpenRouter. Now, Universal 3.5 Pro from Assembly AI is one of them. To give you all some context, the biggest advantage of OpenRouter is now with one API key, account plus billing, Assembly AI models, and your existing models like OpenAI Cloud, you could have all of them in OpenRouter in one billing, one API key. So now, all you need to do is you just choose the model as Assembly AI Universal 3.5 Pro with the API key you've already chosen from OpenRouter, and then you can give this information to your Cloud. So for example, all I did was gave Cloud my OpenRouter key plus this endpoint, and it figured out, built me this app called Scribe. Now, with this app built on top of OpenRouter's API key with Assembly AI's Sync API model, you could actually give some key terms in context from such as, David with double A, or triple A, and then you could give Priya with double E, or you could give a name like Ashworth, which most models, when you use speech-to-text, they say Ashworth. So all these spellings are dependent on your context, and now, when you record the audio, David told me he's unavailable, Priya told me she's available, and Ashworth is available as well, and then I'm just making a video. You hit Stop, and using the OpenRouter key, you hit Transcribe, and you will see the spellings of David, Priya with double E, Ashworth, it's all transcribed so accurately. Not just that, with OpenRouter's LLM gateway, you can use this text audio route to any model with 500 plus models on OpenRouter, and you can build cool projects seamlessly. We can't wait to see what you build with our API on OpenRouter. Thank you.

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Arow Summary
The speaker explains that AssemblyAI’s Universal-3.5 Pro speech-to-text model is available through OpenRouter, allowing developers to access it alongside 500+ other models using one API key, account, and billing setup. They demonstrate building a transcription app, Scribe, by providing an OpenRouter API key and endpoint to Claude. The app uses AssemblyAI’s synchronous API and contextual key terms to improve recognition of custom spellings and names, such as David, Priya, and Ashworth. After transcription, developers can route the resulting text through any of OpenRouter’s supported LLMs to build additional projects.
Arow Title
AssemblyAI Universal-3.5 Pro on OpenRouter
Arow Keywords
OpenRouter Remove
AssemblyAI Remove
Universal-3.5 Pro Remove
speech-to-text Remove
transcription Remove
API key Remove
Scribe Remove
contextual key terms Remove
LLM gateway Remove
developer tools Remove
Arow Key Takeaways
  • OpenRouter provides access to AssemblyAI and 500+ other models through a single API key, account, and billing relationship.
  • AssemblyAI Universal-3.5 Pro can be selected through OpenRouter for speech-to-text workflows.
  • Contextual key terms can improve transcription accuracy for unusual names and intended spellings.
  • The demonstrated Scribe app transcribes recorded audio using an OpenRouter key and AssemblyAI’s synchronous API.
  • Transcribed text can be routed through OpenRouter’s LLM gateway to any of its supported models for downstream applications.
Arow Sentiments
Positive: The tone is enthusiastic and promotional, emphasizing convenience, accurate transcription, and opportunities for developers to build projects.
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