# Boundary Detection on RoFT-chatgpt GPT-3.5-turbo generated (test)

Source: [Boundary Detection on RoFT-chatgpt GPT-3.5-turbo generated (test)](<https://www.sota2.com/research/sota/boundary-detection-on-roft-chatgpt-gpt-3-5-turbo-generated-test>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2026-02-26T05:30:09.065Z

Evaluation of Boundary Detection performance using results generated by GPT-3.5-turbo for the RoFT benchmark suite (test split). Metrics include Acc, SoftAcc1, and MSE.

A research result applies to its stated dataset, split, metric and evaluation configuration. Compare like-for-like settings, preserve the metric's unit and direction, and distinguish paper-reported results from independent reproduction. The best result recorded here is not a claim of exhaustive, current global coverage.

| Scope | Recorded value |
| --- | --- |
| Task | Boundary Detection |
| Dataset (including any stated split) | RoFT-chatgpt GPT-3.5-turbo generated (test) |
| Metric | Accuracy |
| Unit | PERCENT |
| Direction | Higher is better |
| Results loaded | 34 of 34 |
| Coverage | All results currently returned for this benchmark |

Evaluation settings may differ between results. The original papers and recorded configurations are needed to establish comparability. A shared metric name alone does not establish an identical protocol.

## Metrics

- [Accuracy](<https://www.sota2.com/research/sota/boundary-detection-on-roft-chatgpt-gpt-3-5-turbo-generated-test.md?metric=Accuracy>): Higher is better; unit: PERCENT.

- [Soft Accuracy 1](<https://www.sota2.com/research/sota/boundary-detection-on-roft-chatgpt-gpt-3-5-turbo-generated-test.md?metric=Soft%20Accuracy%201>): Higher is better; unit: PERCENT.

- [Mean Squared Error](<https://www.sota2.com/research/sota/boundary-detection-on-roft-chatgpt-gpt-3-5-turbo-generated-test.md?metric=Mean%20Squared%20Error>): Lower is better; unit: SCALAR.

## Recorded results

| Method | Accuracy | Result date | Report paper |
| --- | --- | --- | --- |
| GigaCheck (DN-DAB-DETR) | 67.65 | Not recorded | 68fa75991e209131cea68dbf |
| ROBERTa + SEP | 54.61 | Not recorded | 68fa74c21e209131cea63965 |
| RoBERTa + SEP | 54.61 | Not recorded | 68fa75991e209131cea68dbf |
| Phi-1.5 Perpl. + GB classifier | 50.8 | Not recorded | 68fa74c21e209131cea63965 |
| Phi-2 Perpl. + GB classifier | 48.4 | Not recorded | 68fa74c21e209131cea63965 |
| Phi-1.5 Perpl. + LR classifier | 47.3 | Not recorded | 68fa74c21e209131cea63965 |
| Phi-1.5 | 47.3 | Not recorded | 68fa75991e209131cea68dbf |
| Phi-2 Perpl. + LR classifier | 44.4 | Not recorded | 68fa74c21e209131cea63965 |
| LLaMA-2-7B Perpl. + GB classifier | 41.5 | Not recorded | 68fa74c21e209131cea63965 |
| ROBERTa | 39.01 | Not recorded | 68fa74c21e209131cea63965 |
| RoBERTa | 39.01 | Not recorded | 68fa75991e209131cea68dbf |
| Phi-1 Perpl. + GB classifier | 36.5 | Not recorded | 68fa74c21e209131cea63965 |
| GPT-2 Perpl. + GB classifier | 34.94 | Not recorded | 68fa74c21e209131cea63965 |
| GPT-2 Perpl. + LR classifier | 33.5 | Not recorded | 68fa74c21e209131cea63965 |
| Phi-1.5 Perpl. + GB regressor | 32 | Not recorded | 68fa74c21e209131cea63965 |
| Phi-1.5 | 32 | Not recorded | 68fa75991e209131cea68dbf |
| Phi-1 Perpl. + LR classifier | 31 | Not recorded | 68fa74c21e209131cea63965 |
| Phi-2 Perpl. + GB regressor | 30.8 | Not recorded | 68fa74c21e209131cea63965 |
| LLaMA-2-7B Perpl. + LR classifier | 29.7 | Not recorded | 68fa74c21e209131cea63965 |
| Length + GB | 25.72 | Not recorded | 68fa74c21e209131cea63965 |
| LLaMA-2-7B Perpl. + GB regressor | 23.6 | Not recorded | 68fa74c21e209131cea63965 |
| DetectGPT + GB classifier | 21.69 | Not recorded | 68fa74c21e209131cea63965 |
| DetectGPT | 21.69 | Not recorded | 68fa75991e209131cea68dbf |
| TLE + TS Binary | 20.02 | Not recorded | 68fa74c21e209131cea63965 |
| TLE + TS Binary | 20.02 | Not recorded | 68fa75991e209131cea68dbf |
| GPT-2 Perpl. + GB regressor | 19.74 | Not recorded | 68fa74c21e209131cea63965 |
| Phi-1 Perpl. + GB regressor | 17.4 | Not recorded | 68fa74c21e209131cea63965 |
| PHD + TS ML | 17.29 | Not recorded | 68fa74c21e209131cea63965 |
| PHD + TS ML | 17.29 | Not recorded | 68fa75991e209131cea68dbf |
| DetectGPT + LR classifier | 15.35 | Not recorded | 68fa74c21e209131cea63965 |
| DetectGPT | 15.35 | Not recorded | 68fa75991e209131cea68dbf |
| Majority class | 13.83 | Not recorded | 68fa74c21e209131cea63965 |
| gpt-4 | 9.1 | Not recorded | 68fa74c21e209131cea63965 |
| gpt-3.5-turbo | 7.1 | Not recorded | 68fa74c21e209131cea63965 |

### GigaCheck (DN-DAB-DETR)

Accuracy: 67.65. Result ID: 6993f17c3a6c31484919aa7b.

[Reporting paper](<https://www.sota2.com/research/paper/68fa75991e209131cea68dbf.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa75991e209131cea68dbf.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### ROBERTa + SEP

Accuracy: 54.61. Result ID: 699359d33a6c3148491552da.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Implementation](<https://platform.openai.com/docs/model-index-for-researchers>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### RoBERTa + SEP

Accuracy: 54.61. Result ID: 6993f17c3a6c31484919aa79.

[Reporting paper](<https://www.sota2.com/research/paper/68fa75991e209131cea68dbf.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### Phi-1.5 Perpl. + GB classifier

Accuracy: 50.8. Result ID: 699359d33a6c3148491552e4.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70941e209131cea4bf91.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### Phi-2 Perpl. + GB classifier

Accuracy: 48.4. Result ID: 699359d33a6c3148491552e7.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### Phi-1.5 Perpl. + LR classifier

Accuracy: 47.3. Result ID: 699359d33a6c3148491552e6.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70941e209131cea4bf91.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### Phi-1.5

Accuracy: 47.3. Result ID: 6993f17c3a6c31484919aa7f.

[Reporting paper](<https://www.sota2.com/research/paper/68fa75991e209131cea68dbf.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70941e209131cea4bf91.md>)

Recorded evaluation configuration: {"classifier":"LR classifier","type":"Perplexity-based"}. This record does not assert independent reproduction.

### Phi-2 Perpl. + LR classifier

Accuracy: 44.4. Result ID: 699359d33a6c3148491552e9.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### LLaMA-2-7B Perpl. + GB classifier

Accuracy: 41.5. Result ID: 699359d33a6c3148491552ea.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa701f1e209131cea492fe.md>)

[Implementation](<https://github.com/facebookresearch/llama>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### ROBERTa

Accuracy: 39.01. Result ID: 699359d33a6c3148491552db.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa66131e209131cea0e18b.md>)

[Implementation](<https://github.com/pytorch/fairseq>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### RoBERTa

Accuracy: 39.01. Result ID: 6993f17c3a6c31484919aa7a.

[Reporting paper](<https://www.sota2.com/research/paper/68fa75991e209131cea68dbf.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa66131e209131cea0e18b.md>)

[Implementation](<https://github.com/pytorch/fairseq>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### Phi-1 Perpl. + GB classifier

Accuracy: 36.5. Result ID: 699359d33a6c3148491552e1.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70bd1e209131cea4cfb5.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### GPT-2 Perpl. + GB classifier

Accuracy: 34.94. Result ID: 699359d33a6c3148491552de.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### GPT-2 Perpl. + LR classifier

Accuracy: 33.5. Result ID: 699359d33a6c3148491552e0.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### Phi-1.5 Perpl. + GB regressor

Accuracy: 32. Result ID: 699359d33a6c3148491552e5.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70941e209131cea4bf91.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### Phi-1.5

Accuracy: 32. Result ID: 6993f17c3a6c31484919aa7e.

[Reporting paper](<https://www.sota2.com/research/paper/68fa75991e209131cea68dbf.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70941e209131cea4bf91.md>)

Recorded evaluation configuration: {"regressor":"GB regressor","type":"Perplexity-based"}. This record does not assert independent reproduction.

### Phi-1 Perpl. + LR classifier

Accuracy: 31. Result ID: 699359d33a6c3148491552e3.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70bd1e209131cea4cfb5.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### Phi-2 Perpl. + GB regressor

Accuracy: 30.8. Result ID: 699359d33a6c3148491552e8.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### LLaMA-2-7B Perpl. + LR classifier

Accuracy: 29.7. Result ID: 699359d33a6c3148491552ec.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa701f1e209131cea492fe.md>)

[Implementation](<https://github.com/facebookresearch/llama>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### Length + GB

Accuracy: 25.72. Result ID: 699359d33a6c3148491552f1.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### LLaMA-2-7B Perpl. + GB regressor

Accuracy: 23.6. Result ID: 699359d33a6c3148491552eb.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa701f1e209131cea492fe.md>)

[Implementation](<https://github.com/facebookresearch/llama>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### DetectGPT + GB classifier

Accuracy: 21.69. Result ID: 699359d33a6c3148491552dc.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa701a1e209131cea49064.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### DetectGPT

Accuracy: 21.69. Result ID: 6993f17c3a6c31484919aa7c.

[Reporting paper](<https://www.sota2.com/research/paper/68fa75991e209131cea68dbf.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa701a1e209131cea49064.md>)

Recorded evaluation configuration: {"classifier":"GB classifier","type":"Perplexity-based"}. This record does not assert independent reproduction.

### TLE + TS Binary

Accuracy: 20.02. Result ID: 699359d33a6c3148491552ee.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Implementation](<https://platform.openai.com/docs/model-index-for-researchers>)

Recorded evaluation configuration: {"category":"Based on TDA"}. This record does not assert independent reproduction.

### TLE + TS Binary

Accuracy: 20.02. Result ID: 6993f17c3a6c31484919aa81.

[Reporting paper](<https://www.sota2.com/research/paper/68fa75991e209131cea68dbf.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Implementation](<https://platform.openai.com/docs/model-index-for-researchers>)

Recorded evaluation configuration: {"type":"TDA-based"}. This record does not assert independent reproduction.

### GPT-2 Perpl. + GB regressor

Accuracy: 19.74. Result ID: 699359d33a6c3148491552df.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### Phi-1 Perpl. + GB regressor

Accuracy: 17.4. Result ID: 699359d33a6c3148491552e2.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70bd1e209131cea4cfb5.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### PHD + TS ML

Accuracy: 17.29. Result ID: 699359d33a6c3148491552ed.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Implementation](<https://platform.openai.com/docs/model-index-for-researchers>)

Recorded evaluation configuration: {"category":"Based on TDA"}. This record does not assert independent reproduction.

### PHD + TS ML

Accuracy: 17.29. Result ID: 6993f17c3a6c31484919aa80.

[Reporting paper](<https://www.sota2.com/research/paper/68fa75991e209131cea68dbf.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Implementation](<https://platform.openai.com/docs/model-index-for-researchers>)

Recorded evaluation configuration: {"type":"TDA-based"}. This record does not assert independent reproduction.

### DetectGPT + LR classifier

Accuracy: 15.35. Result ID: 699359d33a6c3148491552dd.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa701a1e209131cea49064.md>)

Recorded evaluation configuration: {"category":"Based on Perplexity"}. This record does not assert independent reproduction.

### DetectGPT

Accuracy: 15.35. Result ID: 6993f17c3a6c31484919aa7d.

[Reporting paper](<https://www.sota2.com/research/paper/68fa75991e209131cea68dbf.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa701a1e209131cea49064.md>)

Recorded evaluation configuration: {"classifier":"LR classifier","type":"Perplexity-based"}. This record does not assert independent reproduction.

### Majority class

Accuracy: 13.83. Result ID: 699359d33a6c3148491552f2.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

Recorded evaluation configuration: Not recorded. This record does not assert independent reproduction.

### gpt-4

Accuracy: 9.1. Result ID: 699359d33a6c3148491552f0.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

Recorded evaluation configuration: {"category":"Zero-shot"}. This record does not assert independent reproduction.

### gpt-3.5-turbo

Accuracy: 7.1. Result ID: 699359d33a6c3148491552ef.

[Reporting paper](<https://www.sota2.com/research/paper/68fa74c21e209131cea63965.md>)

Recorded evaluation configuration: {"category":"Zero-shot"}. This record does not assert independent reproduction.

Page 1 of 1. This is an index page, not the full collection.
