Benchmarks · creative
The Slop Index
Leaderboard scoring how much each model's writing reads like chatbot slop versus pre-AI human writing, blending live arena votes with four mechanical axes. Maintained by The Slop Index. Score: Slop Score 0-100 = 40% live arena Elo votes + 15% each for concise, templating, rhythm, and tells measured against pre-AI human writing; higher = sloppier.
52 models · 52 results · data as of 2026-10-29 · theslopindex.com ↗
Leaderboard
Nemotron 3.5 Lightning
All results
52 rows| # | Model | Effort | The Slop Index |
|---|---|---|---|
| 1 | Nemotron 3.5 Lightning | 18.2% | |
| 2 | Mistral Large 4 | high | 18.8% |
| 3 | Inkling Small | max | 19.4% |
| 4 | Kimi K2.6 | max | 21.1% |
| 5 | Mercury 2.5 | high | 21.1% |
| 6 | Mercury 3 | high | 21.6% |
| 7 | DeepSeek V4.1 Flash | max | 22.3% |
| 8 | MiniMax M3 | max | 23.1% |
| 9 | Muse Spark 1.1 | max | 23.1% |
| 10 | Grok 4.6 | max | 23.2% |
| 11 | DeepSeek V4.1 Flash 1017 | max | 23.6% |
| 12 | Qwen 3.7 Flash | max | 23.7% |
| 13 | DeepSeek V4 | max | 23.8% |
| 14 | Grok 4.5 | max | 24.1% |
| 15 | Gemini 3.1 Pro | high | 24.3% |
| 16 | GLM 5.3 | max | 24.3% |
| 17 | Haiku 4.5 | xhigh | 24.9% |
| 18 | Muse Spark 1.3 | max | 24.9% |
| 19 | GPT-6 Luna | max | 25.5% |
| 20 | Muse Wonder (Max) | max | 26.2% |
| 21 | Gemini 3.6 Flash | xhigh | 26.2% |
| 22 | Grok 4.7 | max | 26.2% |
| 23 | Kimi K3 | max | 26.6% |
| 24 | GPT-5.4 Mini | xhigh | 26.8% |
| 25 | GPT-6 Luna Pro | max | 27.0% |
| 26 | Haiku 5.5 | max | 27.5% |
| 27 | Gemini 3.5 Flash | xhigh | 27.8% |
| 28 | GPT-6 Sol | max | 28.1% |
| 29 | Gemini 3.7 Flash | max | 28.2% |
| 30 | GPT-6 Sol Pro | max | 28.3% |