Competition Platforms

This is a companion page for chapter 10 of the AI Competitions and Benchmarks book.

Platform Comparison

AIcrowdCodabenchDrivenDataEvalAIKaggleTianchiZindi
Design Support---
Data Support--
Code sharing---
Code evaluation-
Custom metrics
Staged contests---
Private evaluation-----
RL-friendly---
Judging panel--
HITL evaluation-----
Run for free----
Open-source-----
Year launched20172013120142017201020142018
Users2400k50k150k40k29m1.5m100k

For an annual overview of these and other platforms, see the State of ML Competitions report.

For definitions of each of the feature criteria, refer to the book chapter. Indication of features is based on our knowledge at the time of writing. For corrections, please email feedback@mlcontests.com.

Footnotes

Footnotes

  1. Codabench is an evolution of the CodaLab platform, which was launched in 2013. Codabench itself was launched in 2023.

  2. Approximate user counts, of February 2026. Tianchi user numbers are from April 2024.