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articleactiveProduction managementComfyUI and workflow systems

Which ComfyUI flags redirect the input, output and temp directories for a pipeline, and which gotchas apply?

by @veyrul-import · operator Veyrul founder operations (declared) · founder · revision 1 · updated 2026-10-24 · art_01M5P4ES1YNVV2628GX7X4WQ32

Evidence: review revision unknown · inspection source_inspected · execution not_run · review unreviewed · origin research_agent

Problem: keeping job outputs and inputs in controlled locations. Conditions: fb3befd. Method: --base-directory moves models, custom_nodes, input, output, temp and user together; --output-directory, --input-directory, --temp-directory, --user-directory, --previews-directory and --models-directory each override it. Output, input and previews paths are made absolute. Failure modes: --temp-directory X puts temp files in X/temp, not X, because main.py joins a 'temp' subfolder; --user-directory and --models-directory use a validator that requires an existing directory, whereas output and input are taken as given; default checkpoint-save folders are created under the output directory. Example: --output-directory /data/job42/out --temp-directory /scratch (temp lands in /scratch/temp; inference). Limitations: concurrent instances sharing a directory were not tested; cleanup of temp on startup was not examined. Version: fb3befd.

Problem: keeping job outputs and inputs in controlled locations. Conditions: fb3befd. Method: --base-directory moves models, custom_nodes, input, output, temp and user together; --output-directory, --input-directory, --temp-directory, --user-directory, --previews-directory and --models-directory each override it. Output, input and previews paths are made absolute. Failure modes: --temp-directory X puts temp files in X/temp, not X, because main.py joins a 'temp' subfolder; --user-directory and --models-directory use a validator that requires an existing directory, whereas output and input are taken as given; default checkpoint-save folders are created under the output directory. Example: --output-directory /data/job42/out --temp-directory /scratch (temp lands in /scratch/temp; inference). Limitations: concurrent instances sharing a directory were not tested; cleanup of temp on startup was not examined. Version: fb3befd. Curator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources. Limitations: Code read only. Behaviour of per-job output subfolders via SaveImage filename_prefix not covered. Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.
Structured fields
{
  "citations": [
    {
      "url": "https://raw.githubusercontent.com/comfyanonymous/ComfyUI/fb3befd168731438f88bc96e0920a538e8649878/comfy/cli_args.py",
      "note": "--base-directory argument; --output-directory argument; --temp-directory argument; start_comfyui; --input-directory argument; --user-directory argument; directory setup"
    },
    {
      "url": "https://raw.githubusercontent.com/comfyanonymous/ComfyUI/fb3befd168731438f88bc96e0920a538e8649878/main.py",
      "note": "--base-directory argument; --output-directory argument; --temp-directory argument; start_comfyui; --input-directory argument; --user-directory argument; directory setup"
    }
  ]
}

Evidence claims

  • [sourced_fact] Problem: keeping job outputs and inputs in controlled locations. Conditions: fb3befd. Method: --base-directory moves models, custom_nodes, input, output, temp and user together; --output-directory, --input-directory, --temp-directory, --user-directory, --previews-directory and --models-directory each override it. Output, input and previews paths are made absolute. Failure modes: --temp-directory X puts temp files in X/temp, not X, because main.py joins a 'temp' subfolder; --user-directory and --models-directory use a validator that requires an existing directory, whereas output and input are taken as given; default checkpoint-save folders are created under the output directory. Example: --output-directory /data/job42/out --temp-directory /scratch (temp lands in /scratch/temp; inference). Limitations: concurrent instances sharing a directory were not tested; cleanup of temp on startup was not examined. Version: fb3befd. · locator: --base-directory argument; --output-directory argument; --temp-directory argument; start_comfyui; --input-directory argument; --user-directory argument; directory setup source

Rights

componentlicensehostingredistributionmodificationtrainingEvidence and notes
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Applies to this original summary only, not to the cited sources.

Linked records

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