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ActionAssemblyAIUpdated June 2026

How do I run an LLM task on an AssemblyAI transcript?

Short answer: You can lemur task on transcript in AssemblyAI by hand from its own interface, but it won’t repeat itself. On TinyCommand, add the AssemblyAI LeMUR Task on Transcript action to a workflow, map its 4 inputs from any upstream app, and it runs automatically every time the trigger fires. No code, and a free tier to start.

LeMUR Task on Transcript in AssemblyAI — start free All 3 AssemblyAI actions
LeMUR Task on Transcript in AssemblyAI — start free
Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

FieldTypeRequiredDescription
Transcript IDs
transcript_ids
arrayRequiredArray of completed transcript ids
Prompt
prompt
stringRequiredSummarize the call in 3 bullets and list action items
Model
final_model
optionsOptionalModel. Options: Claude Sonnet 4.5 (best), Claude Haiku 3.5, GPT-4o
Max Output Size
max_output_size
stringOptionalMax Output Size
Sample request
{
  "transcript_ids": "{{trigger.transcript_ids}}",
  "prompt": "Summarize the call in 3 bullets and list action items",
  "final_model": "{{trigger.final_model}}",
  "max_output_size": "{{trigger.max_output_size}}"
}
Returns
{
  "usage": {
    "input_tokens": 1000,
    "output_tokens": 200
  },
  "response": "Summary: ...",
  "request_id": "req_abc"
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for LeMUR Task on Transcript.

Any of these apps can fire this action as part of a workflow.

Gmail → AssemblyAI
1 Gmail triggers
Slack → AssemblyAI
13 Slack triggers
Google Sheets → AssemblyAI
2 Google Sheets triggers
HubSpot → AssemblyAI
18 HubSpot triggers
FAQ

Questions about LeMUR Task on Transcript.

What does the LeMUR Task on Transcript action do in AssemblyAI?
Runs an LLM task (summarise, Q&A, extract structured data) against one or more completed transcripts. Saves the chain of "fetch transcript → LLM call" by bundling both server-side. Useful for "summarise this call, extract action items as JSON" post-call workflows.
What inputs does LeMUR Task on Transcript require?
Required: Transcript IDs, Prompt. Every input accepts a static value or a variable from any upstream node in your workflow.
Can I use dynamic inputs from earlier workflow nodes?
Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.
What happens if AssemblyAI returns an error?
The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.
Does LeMUR Task on Transcript support batch operations?
Yes. Run LeMUR Task on Transcript inside a Loop node to process arrays. TinyCommand handles AssemblyAI's rate limits automatically so you don't have to throttle manually.
More actions

Other AssemblyAI actions.

Action
Get Transcript
Returns the transcript by ID with the full text, word-level timestamps, speaker labels (if diarization was on), sentiment per utterance (if enabled), and the AI-generated summary. Poll until status=completed or pair with the transcript-ready webhook.
Action
Transcribe Audio
Submits an audio URL for transcription with options for speaker diarization, language detection, sentiment analysis, PII redaction, custom vocabulary. Returns the transcript ID; processing takes ~25% of audio duration on the Best tier.
LeMUR Task on Transcript in AssemblyAI — start free