AI Undetect vs FLUX1.1 [pro]

Side-by-side comparison · Updated September 2026

 AI UndetectAI UndetectFLUX1.1 [pro]FLUX1.1 [pro]
DescriptionAI Undetect is a state-of-the-art platform dedicated to transforming AI-generated text into content that appears human-like and is capable of bypassing AI detection systems. It provides powerful tools, including an AI Detector and AI Humanizer, which are enhanced with integrated AI detection capabilities from leading platforms such as GPTZero, Copyleaks, and Turnitin. With multilingual support in over 20 languages and customizable rewriting styles, AI Undetect serves a diverse group of users like content creators, students, and business professionals. It boasts a proprietary 'Undetectable AI Humanizer' model and offers both free trials and flexible subscription plans, making it a versatile tool for enhancing content quality and ensuring it remains undetected by AI.FLUX1.1 pro is a text-to-image model from Black Forest Labs. BFL lists it at $0.04 per image, while fal lists its hosted endpoint at $0.04 per megapixel rounded up. It is distinct from FLUX1.1 Ultra and newer FLUX.2 image models.
CategoryAI DetectionImage Generation
RatingNo reviewsNo reviews
PricingFreemiumUsage-based
Starting PriceFree$0.04/image
Plans
  • FreeFree
  • BFL API usage$0.04/image
  • fal.ai endpoint usage$0.04/MP, rounded up
Use Cases
  • Content Creators
  • Students
  • SEO Specialists
  • Business Professionals
  • Marketing professionals
  • E-commerce platforms
  • Media content creators
  • Digital artists
Tags
AI detectionHumanize textContent creationMultilingual supportCustomizable rewriting
image generationFLUX1.1Black Forest LabsBFL APIfal.ai
Features
Multi-platform AI detection scanning (GPTZero, CopyLeaks, Writer, Winston AI, Turnitin, etc.)
AI-generated content humanization using proprietary 'Undetectable AI Humanizer' model
Support for over 20 languages worldwide
Customizable rewriting options (Model and Style adjustments)
Capability to bypass multiple AI detectors (Turnitin, GPTZero, CopyLeaks, ChatGPT, ZeroGPT)
User-friendly interface with a simple three-step process
Detailed AI detection reports
Free initial usage with subscription plans for extended access
API access for potential integration into other applications
Text-to-image generation
Direct BFL API access
Hosted fal.ai endpoint
BFL standard model price: $0.04 per image
Separate Ultra variant and billing
 View AI UndetectView FLUX1.1 [pro]

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