StealthGPT vs Scribbr: Does StealthGPT Bypass Scribbr?
StealthGPT bypasses Scribbr at a 99% rate based on internal testing conducted in August 2026 across thousands of documents varying from SEO blog posts to professional web copy. Scribbr is widely regarded as one of the most accurate AI detectors available. A go‑to tool for content publishers and SEO agencies screening AI content before publication, and one StealthGPT consistently bypasses.
The detector
What is Scribbr?
Scribbr is an AI detection and plagiarism checking tool launched in 2022, built specifically for content publishers, SEO agencies, and digital marketing teams. It uses a machine learning model trained on a large corpora of human and AI written text to assign an AI probability score to each document, and includes plagiarism detection alongside AI scoring in a single scan. Scribbr operates on a credits based pricing model and is widely regarded as one of the more accurate and strict AI detectors currently available.

Benchmark
How StealthGPT Performs Against Scribbr
Methodology:
Over 9,000 AI generated documents varying in content type, from SEO blog posts to product descriptions and general web copy, were humanized through StealthGPT and then scanned with Scribbr for scoring. Scribbr is recognized as one of the stricter detectors in the publisher and content marketing space, making it a priority target in StealthGPT's testing suite. Each document was submitted individually through Scribbr's full document AI detection tool under standard scanning conditions. Testing was conducted in August 2026, with documents ranging from 500 to 3000 words in length.
Results:
99% of StealthGPT's humanized outputs scored below Scribbr's AI detection threshold and registered as human written. The remaining 1% fell in the unclear or AI flagged range.
How humanizers stack up against Scribbr
Bypass rate against Scribbr first, then what each tool actually offers.
| Feature | StealthGPT | Undetectable.ai | HIX Bypass | Humbot |
|---|---|---|---|---|
| Bypass performance vs Scribbr | ||||
| Scribbr | Strong | Unknown | Unknown | Unknown |
| Core features | ||||
| AI Humanizer | Supported | Supported | Supported | Supported |
| AI Detector / checker | Supported | Supported | Supported | Supported |
| Stealth WriterGenerate from scratch, undetectable | Supported | Not supported | Not supported | Not supported |
| Stealth AgentResearch + draft + humanize in one flow | Supported | Not supported | Not supported | Not supported |
| Platform & access | ||||
| Team accounts | Supported | Not supported | Not supported | Not supported |
| API access | Supported | Not supported | Not supported | Not supported |
Bypass performance vs Scribbr
- StealthGPT
- Strong
- Undetectable.ai
- Unknown
- HIX Bypass
- Unknown
- Humbot
- Unknown
AI Humanizer
- StealthGPT
- Supported
- Undetectable.ai
- Supported
- HIX Bypass
- Supported
- Humbot
- Supported
AI Detector / checker
- StealthGPT
- Supported
- Undetectable.ai
- Supported
- HIX Bypass
- Supported
- Humbot
- Supported
Stealth Writer
Generate from scratch, undetectable
- StealthGPT
- Supported
- Undetectable.ai
- Not supported
- HIX Bypass
- Not supported
- Humbot
- Not supported
Stealth Agent
Research + draft + humanize in one flow
- StealthGPT
- Supported
- Undetectable.ai
- Not supported
- HIX Bypass
- Not supported
- Humbot
- Not supported
Team accounts
- StealthGPT
- Supported
- Undetectable.ai
- Not supported
- HIX Bypass
- Not supported
- Humbot
- Not supported
API access
- StealthGPT
- Supported
- Undetectable.ai
- Not supported
- HIX Bypass
- Not supported
- Humbot
- Not supported
Bypass performance vs Scribbr based on StealthGPT internal testing (500 documents, August 2026) and published independent tests for other tools. Results vary by detector version, content length, and engine used. No tool guarantees 100% bypass; detector models update regularly.
See our other AI detector bypass rates
Frequently Asked Questions
Still have more questions?
Learn more in our support page.
Yes, StealthGPT has a successful bypass rate against Scribbr of 99% and registers as human written under Scribbr's AI probability scoring. The most recent testing conducted by StealthGPT against Scribbr was in August 2026.
Scribbr is an AI detection and plagiarism checking tool built for content publishers and SEO agencies, using machine learning to assign an AI probability score to each document scanned. It is one of the more accurate and strict detectors on the market and combines AI scoring with plagiarism detection in a single workflow. Scribbr can be contrasted closely with Pangram, which also serves publisher facing content detection but with broader language and LMS support.
StealthGPT's AI humanizer rewrites AI generated content to introduce the structural variation, lexical diversity, and natural unpredictability that distinguish human writing from AI output. StealthGPT's AI humanizer is trained to target the specific signals each major detector uses and is continually updated as those detectors evolve.
Scribbr is one of StealthGPT's most closely monitored detectors given its reputation as one of the stricter tools in the content publishing space, with formal audits run at least quarterly and following any Scribbr model updates. StealthGPT uses this same tracking model against other detectors like Copyleaks.
StealthGPT is tested regularly against all major AI detection platforms. Platforms like ZeroGPT receive special attention to ensure StealthGPT stays ahead.
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