Run an image A/B test with an official workflow
Learn workflows and model files, then compare prompts one variable at a time.
Models generate and reason. Agents use tools to work on tasks. A harness manages an agent’s environment. MCP connects tools and data. Skills are reusable task guidance.
Current task
Deliver 2 A/B images, 1 reloadable JSON, a model/license/settings sheet and 3 visual review notes; the same seed does not guarantee identical pixels across versions.
Prerequisites
Basic file skills; official ComfyUI, a specific image model supported by your hardware, and authorized references. Record license, size and hardware requirements before downloading.
Estimated time
Plan 3–5 sessions of 30–60 minutes; downloads and rendering are additional, not measured.
Validation
Original exercises based on reviewed official documentation; no model, device or regional runtime test performed.
Validation
Deliver 2 A/B images, 1 reloadable JSON, a model/license/settings sheet and 3 visual review notes; the same seed does not guarantee identical pixels across versions.
Limits & boundaries
Wrong model directory, mismatched encoder/VAE, unfixed seed or VRAM exhaustion; reduce size and batch first, without guaranteeing speed from GPU names.
Alternatives
comfyui
Cost
Not verified
Amounts unverified. Local software can use existing hardware; model licensing, VRAM, storage, electricity and labor are separate. Cloud, APIs or subscriptions may charge.
Implementation steps
- 01Load the official text-to-image template; check paths and nodes, saving model ID, license link and workflow JSON without unknown custom nodes.
- 02Fix model, size, seed and sampler settings; generate A/B images from an original still-life prompt, changing only lighting. Log queue time, inference time and failures.
- 03Reimport JSON to verify model and settings recovery; inspect composition and garbled text, removing private paths/prompts and saving a sanitized sharing copy.
Limits & boundaries
- Original exercises based on reviewed official documentation; no model, device or regional runtime test performed.
- Check input and model licenses individually; generated images are not automatically cleared for commercial use. PNG/JSON may contain prompts and paths; sanitize sharing copies.
Permissions & risks
- Check input and model licenses individually; generated images are not automatically cleared for commercial use. PNG/JSON may contain prompts and paths; sanitize sharing copies.
Original sources
- ComfyUI first image tutorial ↗
docs.comfy.org · 2026-10-16 · Official documentation