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October 2026 results: WriteHuman holds #1, StealthGPT jumps to #2. Read the analysis →
HumanizerBench
Not in the current cycle. Data shown is from cycle September 2026, the most recent cycle where both Phrasly and StealthBypass were tested together.

Head to head · September 2026 cycle

Phrasly vs StealthBypass

Phrasly finished 28.2 points ahead of StealthBypass in the September 2026 cycle, 67.58 to 39.38, ranking #8 against #13 in a field of 14. Phrasly scored higher on 4 of 5 detectors and 7 of 7 writing categories. StealthBypass came out ahead on ZeroGPT (84.4 vs 68.0) and consistency across categories (80.7 vs 75.0). The bypass-rate gap, 82.1 to 78.6, sits inside both tools' 95% confidence intervals, so treat bypass as a draw.

67.58 /100
overall score
#8 /14
rank ▼ 1
+28.20
← Phrasly leads
Detectors
4 – 1
Categories
7 – 0
Components
4 – 1
39.38 /100
overall score
#13 /14
rank -

33 prompts · Last tested · Methodology v1.2.0

Score components

What the overall score is made of: bypass rate weighs 42%, meaning preservation 32%, readability 16%, consistency across categories 10%. Output-quality penalties come off the total. How scoring works →

Bypass rate CIs overlap Phrasly by 3.5
82.1 78.6
Meaning preservation Phrasly by 26.6
66.1 39.5
Readability Phrasly by 11.3
65.4 54.1
Consistency StealthBypass by 5.7
75.0 80.7
Penalties fewer is better Phrasly by 17.0
−6.0 −23.0

CIs overlap marks a gap that sits inside both tools' published 95% confidence intervals for that component; it may not survive another cycle.

Detector by detector

Share of each tool's outputs that a detector classified as human-written. Phrasly took 4 of 5.

GPTZero Phrasly by 12.2
81.4 69.3
Originality.ai Phrasly by 24.9
83.4 58.5
Copyleaks Phrasly by 16.7
81.8 65.1
Winston AI Phrasly by 5.3
61.6 56.3
ZeroGPT StealthBypass by 16.3
68.0 84.4

Writing categories

Category score per writing context: bypass credit only for real rewrites, blended with the category's own meaning preservation and readability. Small categories swing; the prompt count is shown on each row. How category scores work →

Academic Essay Application Essay Blog Post Business Email Marketing Copy Discussion Board News Article Academic Essay: Phrasly 64.5 · StealthBypass 39.9 Application Essay: Phrasly 78.1 · StealthBypass 24.5 Blog Post: Phrasly 57.7 · StealthBypass 28.2 Business Email: Phrasly 51.7 · StealthBypass 26.0 Marketing Copy: Phrasly 61.5 · StealthBypass 18.9 Discussion Board: Phrasly 60.6 · StealthBypass 42.8 News Article: Phrasly 78.3 · StealthBypass 35.3
Phrasly StealthBypass Outer ring = 100
Academic Essay 6 prompts Phrasly by 24.6
64.5 39.9
Application Essay 6 prompts Phrasly by 53.5
78.1 24.5
Blog Post 6 prompts Phrasly by 29.5
57.7 28.2
Business Email 3 prompts Phrasly by 25.7
51.7 26.0
Marketing Copy 6 prompts Phrasly by 42.7
61.5 18.9
Discussion Board 3 prompts Phrasly by 17.7
60.6 42.8
News Article 3 prompts Phrasly by 43.0
78.3 35.3

Where each one wins

Every measure above that one tool won outright, largest margin first within each group.

Phrasly

15 wins
  • Penalties Score −6.0 vs −23.0
  • Meaning preservation Score 66.1 vs 39.5
  • Readability Score 65.4 vs 54.1
  • Bypass rate Score 82.1 vs 78.6
  • Originality.ai Detector 83.4 vs 58.5
  • Copyleaks Detector 81.8 vs 65.1
  • GPTZero Detector 81.4 vs 69.3
  • Winston AI Detector 61.6 vs 56.3
  • Application Essay Category 78.1 vs 24.5
  • News Article Category 78.3 vs 35.3
  • and 5 more

StealthBypass

2 wins
  • Consistency Score 80.7 vs 75.0
  • ZeroGPT Detector 84.4 vs 68.0

Same prompt, both outputs

Both tools were given this AI-written passage in the September 2026 cycle. Below it is what each one returned. This prompt was picked by a fixed rule, not by how the tools scored.

Argumentative Essay · Academic Essay · written by Claude Sonnet 5 · 425 words

# The Rise of Long-Form Podcasts: A Positive Shift in News Consumption

The migration of audiences from traditional news broadcasts to long-form podcasts represents one of the most significant—and beneficial—shifts in media consumption of the digital age. As millions increasingly turn to hours-long conversations for their understanding of current events, this trend should be embraced rather than lamented, as it offers depth, context, and authenticity that traditional news formats have long sacrificed for brevity.

The most compelling argument for long-form podcasts lies in their capacity for genuine depth. Traditional news segments, constrained to two or three minutes, force complex issues into digestible but ultimately hollow soundbites. A podcast conversation lasting two or three hours allows for the kind of nuanced exploration that complicated topics deserve. Listeners can follow the winding logic of an argument, hear pushback and clarification in real-time, and develop a more sophisticated understanding of issues that resist simple summary. This format naturally accommodates complexity rather than flattening it.

Furthermore, long-form podcasts restore a sense of authenticity often missing from polished news broadcasts. When hosts and guests speak for extended periods, performative talking points inevitably give way to more genuine, unscripted reasoning. Audiences can hear people think through problems, admit uncertainty, and occasionally change their minds—human behaviors that build trust in ways that rehearsed cable news appearances cannot. This transparency allows listeners to evaluate not just what someone believes, but how they arrived at that belief.

Critics rightly point to concerns about misinformation and echo chambers in podcast spaces. However, these risks exist across all media, including traditional outlets with their own institutional biases and advertiser pressures. The solution isn't retreating to shorter formats but encouraging media literacy that helps audiences critically evaluate any source, long or short. Additionally, the interview-style format common to many podcasts often features genuine debate and cross-examination that many traditional broadcasts, dominated by monologue or brief panel exchanges, simply cannot match.

The podcast format also democratizes expertise. Long-form conversations allow specialists, scientists, and practitioners to explain their fields directly to audiences without the filtering and oversimplification that traditional news often imposes. This direct access to primary sources of knowledge represents a meaningful improvement over secondhand summaries.

As traditional media continues consolidating around shorter, more sensationalized content optimized for engagement rather than understanding, long-form podcasts offer a necessary counterbalance. They demand more from listeners—patience, sustained attention, critical thinking—but reward that investment with genuine comprehension rather than fragmented impressions. This evolution in news consumption should be celebrated as a return to substantive discourse in an age of diminishing attention spans.

Show the full input

512 words (input 425)

Audiences moving away from network news and towards hours-long conversations about current events is one of the more positive media trends of recent years. Podcasts demand more time than most people want to give on a daily basis, but they’re worth it: Anyone who’s jumped from watching the news to listening to a long-form discussion of current events can attest to the richness of perspective that’s lost when we let news outlets condense stories into brief segments. Deep dives deserve more time than soundbites. Depth is the biggest argument in favor of long-form podcasts. Two-minute news stories don’t allow for anything beyond surface-level coverage. Arguments get reduced to forgettable soundbites. Complex topics are explained in frighteningly dull 30-second segments. Podcasts that stretch for two hours or more let journalists and guests expand on their thoughts. Ideas get explained with nuance and context. Listeners can witness the logical progression of thoughts, allow for callserv pushback and clarification, and arrive at well-informed opinions on topics that simply can’t be explained in under three minutes. Long-form podcasts also allow people to speak at length about complex topics without resorting to talking points. Someone who is comfortable with a subject won’t resort to platitudes or dogwhistles when given an hour to speak on a topic. When guests and podcast hosts have the chance to talk at length about a problem or topic, they often reveal how they approach problems, process new information, and yes, sometimes admit that they don’t have all the answers. Listeners can see how someone builds a conclusion, and when they can’t trust that logical progression—because of bias, ill-conceived premises, or poor reasoning—they’ll know not to trust the host or guest. Long-form podcasts aren’t immune to false information, echo chambers, or blindly accepting guests who reinforce the host’s biases. But that’s true of news networks as well. The journalistic standards vary wildly between podcasts and influencers will still talk to whomever drops, but at least listeners can judge the merits of arguments being made soundbite-free. Interview style podcasts also allow for more straight-up debate and cross examination than most news programs which tend to focus on anchor reads or orthodox discussions between around three people. Not only do podcasts allow experts to talk at length about their areas of expertise, they can explain complex topics without needing journalists to reword what they’re saying to make it more accessible. Someone who’s been in the machinery business for 30 years can explain that industry better than your average news reporter. Not only do podcasts trend toward topic experts as guests, they allow for those experts to explain things without needing to dumb things down for an outsider to understand. The deep dives continue long after the network news has signed off. While punditry and news programs will start prioritizing views and listeners over information, podcasts have the space and time to allow guests to express nuanced opinions and host to ask hard questions. News at 11 isn’t going anywhere, but if you’re looking for something to actually learn from, podcasts should be your go-to source.

Show the full output
  • GPTZero1.00passed
  • Winston AI1.00passed
  • ZeroGPT0.93passed
  • Copyleaks1.00passed
  • Originality.ai1.00passed

Passed 5 of 5 detectors.

Every Phrasly run in September 2026 →

13 words (input 425)

# Why the Move to Long-Form Podcasts Is a Good Thing for News

  • GPTZero0.97passed
  • ZeroGPT1.00passed
  • Originality.ai0.07caught

Passed 2 of 3 detectors. 2 of the 5 returned no verdict.

Every StealthBypass run in September 2026 →

Each chip is one detector's score for that output, from 0 (AI) to 1 (human). A score of 0.50 or higher counts as a pass and shows green; below that the detector caught it and the chip shows red.

Questions people ask

Is Phrasly better than StealthBypass?

Phrasly finished 28.2 points ahead of StealthBypass in the September 2026 cycle, 67.58 to 39.38, ranking #8 against #13 in a field of 14. Phrasly scored higher on 4 of 5 detectors and 7 of 7 writing categories. Both tools ran the same 33 prompts, scored by the same 5 detectors, under methodology v1.2.0; every input, output and verdict is published.

Which bypasses AI detectors better, Phrasly or StealthBypass?

Phrasly posted the higher bypass rate, 82.1 vs 78.6, and scored higher on 4 of 5 detectors. Phrasly led on GPTZero, Originality.ai, Copyleaks and Winston AI; StealthBypass led on ZeroGPT. The overall bypass gap is inside both 95% confidence intervals, so it is not a reliable difference.

Do Phrasly and StealthBypass keep the original meaning?

Phrasly preserved meaning better, 66.1 vs 39.5 on our 0–100 similarity scale. On readability, Phrasly rated higher, 65.4 vs 54.1. Penalties this cycle: Phrasly −6.0, StealthBypass −23.0.