Skip to content
October 2026 results: WriteHuman holds #1, StealthGPT jumps to #2. Read the analysis →
HumanizerBench

Head to head · October 2026 cycle

Phrasly vs SupWriter

SupWriter finished 1.0 points ahead of Phrasly in the October 2026 cycle, 62.75 to 61.79, ranking #11 against #12 in a field of 14. SupWriter scored higher on 0 of 6 detectors and 4 of 6 writing categories. Phrasly came out ahead on GPTZero (98.6 vs 8.9), Pangram (85.6 vs 0.0) and bypass rate (95.3 vs 50.0).

61.79 /100
overall score
#12 /14
rank ▼ 4
+0.96
SupWriter leads →
Detectors
6 – 0
Categories
2 – 4
Components
2 – 3
62.75 /100
overall score
#11 /14
rank ▼ 6

30 prompts · Last tested · Methodology v1.3.0

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 Phrasly by 45.4
95.3 50.0
Meaning preservation SupWriter by 27.6
49.9 77.5
Readability SupWriter by 4.9
44.2 49.2
Consistency Phrasly by 6.1
96.9 90.8
Penalties fewer is better SupWriter by 11.0
−11.0 None

Detector by detector

Share of each tool's outputs that a detector classified as human-written. Phrasly took 6 of 6.

GPTZero Phrasly by 89.7
98.6 8.9
Originality.ai Phrasly by 41.1
96.6 55.5
Copyleaks Phrasly by 21.8
100.0 78.2
Winston AI Phrasly by 13.5
97.0 83.5
ZeroGPT Phrasly by 20.4
94.3 73.9
Pangram Phrasly by 85.6
85.6 0.0

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 Marketing Copy Discussion Board News Article Academic Essay: Phrasly 63.7 · SupWriter 57.4 Application Essay: Phrasly 63.6 · SupWriter 59.4 Blog Post: Phrasly 57.8 · SupWriter 62.0 Marketing Copy: Phrasly 45.8 · SupWriter 58.4 Discussion Board: Phrasly 52.9 · SupWriter 57.6 News Article: Phrasly 16.8 · SupWriter 64.4
Phrasly SupWriter Outer ring = 100
Academic Essay 6 prompts Phrasly by 6.3
63.7 57.4
Application Essay 6 prompts Phrasly by 4.2
63.6 59.4
Blog Post 6 prompts SupWriter by 4.2
57.8 62.0
Marketing Copy 6 prompts SupWriter by 12.7
45.8 58.4
Discussion Board 3 prompts SupWriter by 4.7
52.9 57.6
News Article 3 prompts SupWriter by 47.6
16.8 64.4

Head-to-head history

Overall score in every cycle both tools were tested. SupWriter has finished ahead in 2 of 2 shared cycles.

50 60 70 80 September 2026 October 2026 September 2026: SupWriter 72.80 (#5) September 2026: Phrasly 67.58 (#8) October 2026: SupWriter 62.75 (#11) October 2026: Phrasly 61.79 (#12) 61.8 62.8
Phrasly SupWriter
Cycle Phrasly SupWriter Margin
October 2026 61.79 #12 62.75 #11 → 1.0
September 2026 67.58 #8 72.80 #5 → 5.2

Where each one wins

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

Phrasly

10 wins
  • Bypass rate Score 95.3 vs 50.0
  • Consistency Score 96.9 vs 90.8
  • GPTZero Detector 98.6 vs 8.9
  • Pangram Detector 85.6 vs 0.0
  • Originality.ai Detector 96.6 vs 55.5
  • Copyleaks Detector 100.0 vs 78.2
  • ZeroGPT Detector 94.3 vs 73.9
  • Winston AI Detector 97.0 vs 83.5
  • Academic Essay Category 63.7 vs 57.4
  • Application Essay Category 63.6 vs 59.4

SupWriter

7 wins
  • Penalties Score None vs −11.0
  • Meaning preservation Score 77.5 vs 49.9
  • Readability Score 49.2 vs 44.2
  • News Article Category 64.4 vs 16.8
  • Marketing Copy Category 58.4 vs 45.8
  • Discussion Board Category 57.6 vs 52.9
  • Blog Post Category 62.0 vs 57.8

Same prompt, both outputs

Both tools were given this AI-written passage in the October 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-5-5 · 434 words

# Generative AI Will Reshape Knowledge Work, Not Replace It

The debate over generative AI and knowledge work tends to split into two camps: those who predict mass displacement of analysts, writers, and programmers, and those who dismiss the technology as an overhyped autocomplete. Both miss the more interesting reality. Generative AI will fundamentally restructure knowledge work by commoditizing routine cognition, while raising the value of judgment, taste, and accountability.

Consider what these systems do well. They draft emails, summarize documents, generate boilerplate code, and produce serviceable first versions of nearly any text. These tasks once consumed enormous portions of a professional's day. A study by MIT researchers found that workers using ChatGPT on writing tasks finished about 40 percent faster, with higher quality ratings. Similarly, GitHub reported that developers using Copilot completed tasks significantly faster than those without it. When the cost of producing a first draft approaches zero, the draft itself stops being the valuable part of the job.

What becomes valuable is everything surrounding the draft. Someone must decide which problem is worth solving, evaluate whether the output is accurate, and recognize when a confident-sounding answer is wrong. Generative models hallucinate citations, misread context, and flatter users' assumptions. A lawyer who submits an AI-fabricated case citation, as happened in the widely reported *Mata v. Avianca* incident, has not been replaced by technology; she has been exposed by her failure to exercise professional judgment. Verification and accountability remain human responsibilities, and they grow more important as generated content proliferates.

This shift carries a real risk, however, especially for newcomers. Entry-level knowledge work has traditionally served as an apprenticeship: junior analysts learn by drafting memos, and junior developers learn by fixing small bugs. If AI absorbs these tasks, organizations must find new ways to develop expertise, or they will face a shortage of seniors who can supervise the machines. Companies that treat AI purely as a cost-cutting tool may hollow out their own talent pipelines.

Critics argue that capabilities are improving so quickly that even judgment-heavy work will eventually be automated. That possibility cannot be dismissed. But history suggests that automation tends to redefine occupations rather than erase them. Spreadsheets did not eliminate accountants; they eliminated hours of arithmetic and expanded what accountants were expected to analyze.

The wise response is neither panic nor complacency. Workers should build skills in problem framing, critical evaluation, and domain expertise. Employers should redesign roles and training around human oversight. Generative AI is a powerful lever, and like any lever, its effects depend on who is pulling it and how carefully they understand what they are moving.

Show the full input

378 words (input 434)

Generative AI Will Change How We Do Knowledge Work Most people either believe generative AI will replace knowledge workers or think it will never reach that point. In reality it will transform how we work by making mundane cognitive work cheaper. Humans will become better at knowing what to ask for and making better decisions on what the output should be.

Generative AI has already proved that it is able to do many tasks. Writing emails, summarizing articles, coding basic functions and generating first drafts of anything you want written. People have spent countless hours doing these types of tasks throughout their careers. In one study they found that those using ChatGPT completed writing tasks in 40% less time and received higher scores on the output. Programmers also found themselves getting through their assignments quicker when using Github Co-Pilot. So what happens when we have access to instant first drafts?

Well first we need to figure out what problem we are trying to solve. We then need to verify if our AI gave us the right answer and know when its giving us false information. These models will make up fake references and can be extremely dumb when it comes to understanding your prompt. People have been fired when submitting papers with false references generated by AI. While these workers were not replaced by generative AI they failed to do their due diligence on verifying the facts they presented. As generative AI takes off we will all become responsible for making sure the output we give others is correct.

This new technology can be very dangerous to those starting out in a career. Many jobs rely on junior employees to complete basic tasks that will allow them to learn from the experience. We may have to develop different paths for learning if generative AI does all of these small tasks for us. Companies will continue to evolve on how they utilize this new form of AI but I believe we will see humans continue to do many tasks that require decision making.

There has been many advances made recently to help these systems better understand your question. There could be a point where these systems can answer your questions perfectly but I don't believe that's possible anytime soon.

Show the full output
  • GPTZero1.00passed
  • Pangram1.00passed
  • Winston AI1.00passed
  • ZeroGPT0.96passed
  • Copyleaks1.00passed
  • Originality.ai1.00passed

Passed 6 of 6 detectors.

Every Phrasly run in October 2026 →

453 words (input 434)

# Generative AI Will Reshape Knowledge Work Not Replace It

Opinions are divided over generative artificial intelligence and knowledge workers. On one hand, are those who predict that millions of analysts, writers and programmers will be displaced by the technology. And on the other, the anti-noise. They dismiss this technology as a mere overhyped autocomplete. Both individuals overlook the more engaging reality. Repetitive knowledge work will be devalued by generative AI, while judgement, taste and accountability will become more valuable.

What are the abilities of the system? They write Emails, summarize documents, produce template code, and kickstart any text into a usable first draft. Once, they occupied large parts of a professional's day. A study by researchers at MIT has shown that workers using ChatGPT on writing tasks finished almost 40% faster with higher quality ratings. Developers using Copilot at GitHub complete their tasks faster than those without its assistance. The draft is no longer the valuable part of the job when it costs almost nothing to produce the first draft.

Everything surrounding the draft ultimately becomes valuable. Some must decide which of the problems are worth solving, check whether the output is right or wrong, and realize when a confident-sounding answer is wrong. Generative models create fake citations, misinterpret contexts, and flatter users. The lawyer who submitted a fake citation created by AI as has happened in the extremely well-known Mata v. Avianca case was not replaced by technology but outed for not exercising professional judgment. As generated content proliferates, verification and accountability remain human responsibilities that will become more important.

However, there is a real risk here – especially for newbies. Traditionally, entry-level knowledge work has served as a kind of apprenticeship: junior analysts learn by writing memos, and junior developers learn by fixing bugs. As AI takes over more tasks organizations will either need to find new ways of developing expertise or they will run short of seniors to supervise the machines. Organizations that utilize AI just for cost-cutting measures may rob themselves of their own talent pipelines.

Critics claim that capabilities are progressing so quickly after judgment-laden work will be automated too. We cannot exclude that possibility. But history shows that automation changes jobs, rather than destroying them, over time. Spreadsheets did not do away with accountants; rather, they saved them hours of arithmetic and broadened the range of things accountants were expected to analyse.

One cannot panic or be indifferent. Workers must develop skills in problem framing, critical evaluation, and domain expertise. Roles and training should be redesigned with human oversight in mind. Generative AI is the new powerful lever. Like all levers, the effects depend on who’s pulling and how carefully they understand what they are moving.

Show the full output
  • GPTZero0.66passed
  • Pangram0.00caught
  • Winston AI1.00passed
  • ZeroGPT0.61passed
  • Copyleaks0.00caught
  • Originality.ai1.00passed

Passed 4 of 6 detectors.

Every SupWriter run in October 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 SupWriter?

SupWriter finished 1.0 points ahead of Phrasly in the October 2026 cycle, 62.75 to 61.79, ranking #11 against #12 in a field of 14. SupWriter scored higher on 0 of 6 detectors and 4 of 6 writing categories. Both tools ran the same 30 prompts, scored by the same 6 detectors, under methodology v1.3.0; every input, output and verdict is published.

Which bypasses AI detectors better, Phrasly or SupWriter?

Phrasly posted the higher bypass rate, 95.3 vs 50.0, and scored higher on 6 of 6 detectors. Phrasly led on GPTZero, Originality.ai, Copyleaks, Winston AI, ZeroGPT and Pangram.

Do Phrasly and SupWriter keep the original meaning?

SupWriter preserved meaning better, 77.5 vs 49.9 on our 0–100 similarity scale. On readability, SupWriter rated higher, 49.2 vs 44.2. Penalties this cycle: Phrasly −11.0, SupWriter None.