FLUX1.1 [pro] vs Undetectable AI
Side-by-side comparison · Updated September 2026
| Description | 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. | Undetectable.ai offers a comprehensive suite of AI content tools aimed at enhancing and detecting human-AI collaborations. The platform features notable tools like HumanAI, GPT4, and Claude for generation, alongside a range of detectors including GPTZERO and ZeroGPT. Rated #1 by Forbes as the best AI detector, it supports numerous languages and includes accessibility options for screen readers and keyboard navigation. The company ensures high accuracy in its tools, receiving positive reviews from various reputable sources. |
| Category | Image Generation | AI Detection |
| Rating | No reviews | No reviews |
| Pricing | Usage-based | Pricing unavailable |
| Starting Price | $0.04/image | N/A |
| Plans |
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| Tags | image generationFLUX1.1Black Forest LabsBFL APIfal.ai | AI detectioncontent toolshuman-AI collaborationmulti-language supportaccessibility |
| Features | ||
| 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 | ||
| Human-AI collaboration tools | ||
| AI detectors | ||
| Content generators | ||
| Multiple language support | ||
| Screen reader support | ||
| Keyboard navigation | ||
| High accuracy | ||
| Positive industry reviews | ||
| Accessibility menu | ||
| Universal AI content tools | ||
| View FLUX1.1 [pro] | View Undetectable AI | |
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