HemmingwayAI/Hemmingway-1.5 (Qwen finetune)
HemmingwayAI/Hemmingway-1.5, a Qwen finetune, demonstrates impressive ability to bypass AI detectors. It passes the world's best AI detectors 90% of the time, outperforming real human writing which passes 86% of the time. Specifically, on GPTZero, Hemmingway-1.5 passes 9 times in 10 at every thinking level, while models like Fable, GPT-6, and Gemini are frequently detected.
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PublishedOffset at this time: UTC+0Oct 29, 2026, 09:27 UTC
IngestedOffset at this time: UTC+0Oct 29, 2026, 15:01 UTC
- Published
- Oct 29, 2026, 09:27
- Ingested
- Oct 29, 2026, 15:01
- Source type
- Dev community
- Tier
- Community
- Source status
- Healthy
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The undetectable AI. Writing indistinguishable from a human's. 27B parameters, open weights, free for non-commercial use.
hemmingway.io → · Model card → · Try it → · API → · API docs → · Mac, Windows and Android apps → · Code → · Product Hunt →
Our other models: Hemmingway-1, our first model · Hemmingway-1-Unlocked, the uncensored adapter for Hemmingway-1, adults only
Hemmingway-1.5 passes the world's best AI detectors 90% of the time. On GPTZero it passes 9 times in 10, at every thinking level. Real human writing passes the same detectors 86% of the time. Fable, GPT-6 and Gemini get caught most of the time.