Keep an AI character consistent across every image

Identity-DNA blocks, seeds, and references — how to hold a face and a brand across dozens of assets.

Last updated: 2026-07-13

Consistency is not one trick — it is a stack of controls layered from weakest to strongest: text tokens, seeds, reference images, reference sheets, and trained LoRAs. In 2026 the practical winner for most creators is a locked "identity-DNA" text block plus a small multi-angle reference sheet fed into a reference-aware model (Nano Banana Pro, Midjourney Omni Reference, Flux). This chapter gives you the exact levers, copy-paste templates, and the failure modes that quietly break a face across scenes — so you can hold one character (or a brand mascot) across dozens of images, panels, and channels.

What matters most

  • Order of strength, weakest to strongest: (1) text description alone, (2) seed lock, (3) single reference image, (4) multi-angle reference sheet, (5) trained LoRA/fine-tune. Combine layers; do not rely on any single one.
  • Text alone drifts fast — synonyms and missing details let the model re-roll the face every generation. It is the floor, not the solution.
  • Seed lock is a control variable, not a consistency tool: it only reproduces the SAME image from the SAME prompt. Change the prompt and the seed's value collapses (Midjourney states seeds 'can't capture or bookmark a specific character across different prompts').
  • Reference-image conditioning (--oref, --cref, Nano Banana multi-ref) is the current sweet spot for creators: strong identity carry, no training, minutes not hours.
  • LoRA/fine-tune is the ceiling: highest fidelity and reusability, but costs a curated dataset, GPU time, and ongoing version management. Reserve it for recurring characters, series, or commercial mascots.
  • Match lever to lifespan: one-off scene = reference image; a comic/series/mascot = reference sheet + identity-DNA block, and a LoRA once it earns its keep.

Common mistakes to avoid

The short version


This is one lane of the full system. Get all ten — prompt skeletons, copy-paste templates, worked examples, and the 2026 tool picks — in The AI Creator's Playbook: get the complete 70-page playbook ▸

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