# What steps, learning rates, class-image counts and VRAM figures do the DreamBooth and textual-inversion papers and the diffusers v0.41.0 docs state, and where do they differ?

- id: art_01M5MCPGVFGQWW2AYYWE3SNFKQ
- type: article · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T05, T09 · tags: none
- updated: 2026-10-23T12:45:13.960Z
- url: https://veyrul.com/articles/art_01M5MCPGVFGQWW2AYYWE3SNFKQ

As stated: DreamBooth paper ~1000 iterations, prior-loss weight lambda=1, learning rate 1e-5 (Imagen) or 5e-6 (Stable Diffusion), 3-5 images, ~1000 class samples (fewer possible), about 5 minutes on one A100 for Stable Diffusion. diffusers examples/dreambooth README: 5e-6 with 400 steps (no prior), 5e-6 with 800 steps and 200 class images (prior-preservation), 2e-6 for the 12 GB variant, LoRA DreamBooth 1e-4 and 500 steps, with the text encoder needing at least 24 GB. Textual inversion paper: batch size 4, base lr 0.005 scaled to 0.04, 5,000 steps on 2 V100s, about two hours per concept; diffusers README: 5.0e-04 with --scale_lr and 3000 steps. Hugging Face's own blog experiments report 400 steps at 2e-6 for objects and ~1200 steps at 1e-6 for faces. The values differ by source and model, and are used as stated; none is a universal setting.

As stated: DreamBooth paper ~1000 iterations, prior-loss weight lambda=1, learning rate 1e-5 (Imagen) or 5e-6 (Stable Diffusion), 3-5 images, ~1000 class samples (fewer possible), about 5 minutes on one A100 for Stable Diffusion. diffusers examples/dreambooth README: 5e-6 with 400 steps (no prior), 5e-6 with 800 steps and 200 class images (prior-preservation), 2e-6 for the 12 GB variant, LoRA DreamBooth 1e-4 and 500 steps, with the text encoder needing at least 24 GB. Textual inversion paper: batch size 4, base lr 0.005 scaled to 0.04, 5,000 steps on 2 V100s, about two hours per concept; diffusers README: 5.0e-04 with --scale_lr and 3000 steps. Hugging Face's own blog experiments report 400 steps at 2e-6 for objects and ~1200 steps at 1e-6 for faces. The values differ by source and model, and are used as stated; none is a universal setting.

Curator qualifications: All stated values reproduce verbatim. DreamBooth v2 Sec 3.3: '∼ 1000 iterations with λ = 1 and learning rate 10−5 for Imagen [61] and 5 × 10−6 for Stable Diffusion', 3-5 images, '∼ 1000 "a [class noun]" samples are generated - but less can be used', '5 minutes on a NVIDIA A100'; 'batch size' 0 hits in the extracted text (confirmed). Textual Inversion v1: '2 × V100 GPUs with a batch size of 4', base 0.005, 'effective rate of 0.04', '5,000 optimization steps', 'roughly two hours'. diffusers README at 086bf957: 5e-6/400 steps (no prior), 5e-6/800 steps/200 class images (prior), '200-300 works well for most cases', 12 GB example 2e-6, under-8 GB 'about 25 GB' RAM, text encoder 'at least 24GB VRAM', LoRA example 1e-4/500 steps. Script defaults: train_dreambooth.py lr 5e-6, num_class_images 100, prior_loss_weight 1.0; train_dreambooth_lora.py lr 5e-4. TI README: 5.0e-04, --scale_lr, 3000 steps. lora.md: '~5 hours on a 2080 Ti GPU with 11GB of VRAM'. Blog: objects 400 steps at 2e-6; faces '1e-6 (or 2e-6) with ~1200 steps' and '800-1200 steps ... batch size of 2 and LR of 1e-6'. Rights/verification notes are shown as limitations (L00 0019/ADR-0011): they restrict reuse of the cited material or record what was not verified; they are not cleared by this summary.

Limitations: [component_reuse_restriction] Example dataset licences (dog-example, cat_toy_example, naruto-blip-captions) not inspected: datasets component unknown. [component_reuse_restriction] HF blog repo has no licence text (producer note preserved).

Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.

```json
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      "url": "https://arxiv.org/pdf/2208.12242v2",
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    },
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      "url": "https://arxiv.org/html/2208.01618v1",
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      "url": "https://github.com/huggingface/diffusers/blob/086bf9578c0f4acbc66e48cd1e7cc26befd9e10f/examples/textual_inversion/README.md",
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      "url": "https://github.com/huggingface/diffusers/blob/086bf9578c0f4acbc66e48cd1e7cc26befd9e10f/docs/source/en/training/dreambooth.md",
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```

Evidence claims:
- [sourced_fact] As stated: DreamBooth paper ~1000 iterations, prior-loss weight lambda=1, learning rate 1e-5 (Imagen) or 5e-6 (Stable Diffusion), 3-5 images, ~1000 class samples (fewer possible), about 5 minutes on one A100 for Stable Diffusion. diffusers examples/dreambooth README: 5e-6 with 400 steps (no prior), 5e-6 with 800 steps and 200 class images (prior-preservation), 2e-6 for the 12 GB variant, LoRA DreamBooth 1e-4 and 500 steps, with the text encoder needing at least 24 GB. Textual inversion paper: batch size 4, base lr 0.005 scaled to 0.04, 5,000 steps on 2 V100s, about two hours per concept; diffusers README: 5.0e-04 with --scale_lr and 3000 steps. Hugging Face's own blog experiments report 400 steps at 2e-6 for objects and ~1200 steps at 1e-6 for faces. The values differ by source and model, and are used as stated; none is a universal setting. · locator: producer work copy work/dreambooth.pdf (sha256 equals pin; local read) Sec. 3.3 final paragraph; work/textinv.html (equals pin) implementation details; limitations; raw GET at 086bf957 (bytes equal the work copy main_snapshot/db_README.md and the pin) L82-L353; raw GET at 086bf957 (equals pin) L70-L82; raw GET at 086bf957 (equals pin) L155; work/train_db.py (equals pin) argument defaults L293-L297, L391; work/train_db_lora.py (equals pin) --learning_rate default; work/dbblog.md (equals pin) TL;D · source: https://arxiv.org/pdf/2208.12242v2

Rights:
- documentation: license=unknown hosting=permitted redistribution=permitted modification=unknown training=unknown · Applies to this original summary only, not to the cited sources.

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