Create .SRT subtitles & .LRC lyrics from audio with Whisper AI and GPT-5-nano
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 12 nodes and runs when someone submits an n8n form. Along the way it connects OpenAI Chat Model.
How it runs
Trigger: When someone submits an n8n form.
- WhisperTranscribe (HTTP Request): calls an HTTP API
- PostProcessing (Basic LLM Chain): sends a prompt to an LLM, with model: OpenAI Chat Model
- RoutingQualityCheck (If): checks a condition and branches into true / false
- TranscribedLyrics (Convert to File): converts data to a file
- TimestampMatching (Code): runs custom JavaScript code
- QualityCheck (Wait): pauses before continuing
- SubtitlesPreparation (Code): runs custom JavaScript code
- DiffMatch + SrcPrep (Code): runs custom JavaScript code
- SRT (Convert to File): converts data to a file
- LRC (Convert to File): converts data to a file
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (8)
- OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - HTTP Request
n8n-nodes-base.httpRequest - n8n Form Trigger
n8n-nodes-base.formTrigger - Code
n8n-nodes-base.code - Wait
n8n-nodes-base.wait - If
n8n-nodes-base.if - Convert to File
n8n-nodes-base.convertToFile - Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm
From the author
Overview This workflow automates the entire process of creating professional subtitle (.SRT) and synced lyrics (.LRC) files from audio recordings. Upload your vocal track, let Whisper AI transcribe it with precise timestamps, and GPT-5-nano segments it into…