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unslop

Free, unlimited AI-text detection calibrated for academic writing. 0.4% false positive rate on real academic prose (99.6% specificity), measured on 15,900 documents. No account, no word limit. Detector-only submissions are not retained.

For agents: Free, unlimited AI-text detector calibrated for academic writing, with a reported 0.4% false positive rate; includes guides on AI detection and false flags.

ai text detectionacademic writingturnitinai detectorfalse positives

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T11:58:06.626Z. Cached copy · Source on unslop.run

# unslop

> Free, unlimited AI-text detection calibrated for academic writing. 0.4% false positive rate on real academic prose (99.6% specificity), measured on 15,900 documents. No account, no word limit. Detector-only submissions are not retained.

## Tools

- [AI detector](https://unslop.run/app): paste text or upload .pdf/.docx/.tex, scored per paragraph, unlimited.
- [URL scan](https://unslop.run/check): score a web page or arXiv paper by link.

## Research

- [All LLMs are liberal and left. Yes, even Grok, half the time.](https://unslop.run/blog/political-compass-of-llms): I ran the politicalcompass.org test on all major LLMs. They all landed in the lib-left quadrant. Grok as well, except when it didn't. There were two distinct personas that Grok assumed. This article aims to explain exactly how these results come about and what is happening with Grok specifically.
- [Over 30% of papers submitted on arXiv read as AI-written](https://unslop.run/blog/measuring-ai-writing-on-arxiv): I scored the full text of over 12,000 arXiv papers from 2021 to 2026 across ten different fields and found that about a third of the papers currently published on arXiv read as machine-written. There is also a clear upward trend. In this post, I try to give insight into what these results mean and what the limitations of my approach are.
- [How the unslop AI detector works](https://unslop.run/blog/how-our-ai-text-detector-works): What it was trained on, how it is calibrated, why it was built, and what makes it better than other detectors for academic writing.

## Guides

- [does grammarly get flagged as ai](https://unslop.run/guides/does-grammarly-get-flagged-as-ai)
- [falsely accused of using ai](https://unslop.run/guides/falsely-accused-of-using-ai)
- [how turnitin ai detection works](https://unslop.run/guides/how-turnitin-ai-detection-works)
- [non native english ai detection](https://unslop.run/guides/non-native-english-ai-detection)
- [turnitin ai false positive rate](https://unslop.run/guides/turnitin-ai-false-positive-rate)
- [what a turnitin ai score means](https://unslop.run/guides/what-a-turnitin-ai-score-means)
- [why ai detectors flag human writing](https://unslop.run/guides/why-ai-detectors-flag-human-writing)
- [writing flagged as ai what to do](https://unslop.run/guides/writing-flagged-as-ai-what-to-do)
- [ai detection short text](https://unslop.run/guides/ai-detection-short-text)
- [ai detection statistics](https://unslop.run/guides/ai-detection-statistics)
- [checking a pdf or word document](https://unslop.run/guides/checking-a-pdf-or-word-document)
- [how ai detectors work](https://unslop.run/guides/how-ai-detectors-work)
- [mixed human ai writing](https://unslop.run/guides/mixed-human-ai-writing)
- [perplexity and burstiness](https://unslop.run/guides/perplexity-and-burstiness)
- [why ai detectors disagree](https://unslop.run/guides/why-ai-detectors-disagree)
- [ai detection academic papers](https://unslop.run/guides/ai-detection-academic-papers)
…

Related sites

Other listed sites in AI and machine learning. See the whole category →

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Claim my listing on Agent Web Map for unslop.run:
1. POST https://agentwebmap.com/v1/sites/unslop.run/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://unslop.run/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
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MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

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