Hackathon
Open
Name That LLM: Kaggle model attribution competition 2026
A Kaggle code competition with $50,000 in prizes for finding which of 18 language models wrote a passage. Submissions close January 13, 2027.
Entrants classify about 4,000 unlabelled passages of 40 to 250 words, each written by one of 18 models from OpenAI, Google, Anthropic, Qwen, ZAI and Moonshot AI.
| Detail | Value |
|---|---|
| Prizes by place | 1st to 10th place; $5,000 each |
| Team size | Up to 5 people; team mergers allowed |
| Training data | 2,699 labelled passages written for 150 prompts |
| Metric | Balanced accuracy across the 18 models |
| Winner licence | CC BY 4.0 |
Requirements:
- Submission through a Kaggle notebook that writes submission.parquet
- CPU or GPU run time of 9 hours or less
- Internet access disabled; free public external data and pretrained models allowed
- Test passages come from prompts not in the training set
Source · kaggle.com/competitions/name-that-llm
Published 14 October 2026 · Checked against the organizer's page 28 October 2026