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📖 The AI Tool Bible

Flux vs Lexica

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

 Flux logo
Flux
Image Generation
Lexica logo
Lexica
Image Generation
TaglineBlack Forest Labs' open-weights image model — rivals Midjourney quality.Text-to-image generator with a massive searchable prompt library built on its proprietary Aperture model.
CategoryImage GenerationImage Generation
PricingFreemium· FLUX.2 [max]: $0.07 · FLUX.2 [pro]: $0.03 · FLUX.2 [klein] 9B: $0.015 · FLUX.2 [klein] 4B: $0.014 · FLUX.2 [flex]: $0.05Paid· Starter $8/mo, Pro $24/mo, Max $48/mo; $0.05 per extra generation
ModelFlux.1 [schnell / dev / pro]Lexica Aperture (proprietary) + Stable Diffusion
Editorial score9.0 / 106.8 / 10
Use cases
open sourceself-hostedhigh quality
text-to-imageprompt-discoveryimage-to-imagestyle-referencestock-imagery
Pros
  • Open weights for [schnell]/[dev] variants
  • Quality rivals Midjourney
  • Excellent prompt adherence
  • Self-hostable
  • Largest searchable library of Stable Diffusion prompts and seeds anywhere
  • Proprietary Aperture model produces clean, photoreal results out of the box
  • Commercial licensing included on all paid tiers
  • Public search API is free and easy to integrate
Cons
  • [pro] is API-only
  • Self-hosting needs serious GPU
  • No persistent free generation tier; lower plans expose your images publicly
  • Generation API is not publicly documented for third-party apps
  • Closed-source model with less control than self-hosted SD or Flux
Websiteblackforestlabs.ailexica.art
Pick Flux if
  • ✅ Open weights for [schnell]/[dev] variants
  • ✅ Quality rivals Midjourney
  • ✅ Excellent prompt adherence
  • ✅ Self-hostable
Pick Lexica if
  • ✅ Largest searchable library of Stable Diffusion prompts and seeds anywhere
  • ✅ Proprietary Aperture model produces clean, photoreal results out of the box
  • ✅ Commercial licensing included on all paid tiers
  • ✅ Public search API is free and easy to integrate
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