Ego-Exo4D is a multimodal video dataset and benchmark for studying skilled everyday activities from first and third person views.
MovieLens-1M
MovieLens 1M is a benchmark dataset containing one million movie ratings from 6,000 users.
About MovieLens-1M
MovieLens 1M is a stable benchmark open dataset published by GroupLens, containing 1 million movie ratings submitted by 6,000 users across 4,000 movies. It was first released in February 2003 and is hosted on the GroupLens website for public access. The full dataset is available as a 6MB compressed zip file with a provided checksum for download verification.
Key features
- Contains 1 million movie ratings
- Includes data from 6,000 unique users
- Covers 4,000 distinct movies
- Released as stable benchmark dataset in 2003
- Available as 6MB zip download with checksum
- Hosted on GroupLens public datasets portal
Best for: This dataset is intended for researchers, data scientists, and machine learning practitioners working on recommendation systems or movie rating analysis.
Good for
- Long-running stable benchmark dataset
- Free public download with verification checksum
- Curated by GroupLens, a research group with published public datasets
Watch out for
- All rating data is from 2003, so it is outdated for current use cases
- No information about ongoing updates or newer dataset versions is provided
- No licensing terms for dataset use are mentioned on the homepage
MovieLens-1M at a glance
- Category
- Research & Data › Open Data & Datasets
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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MovieLens-1M FAQ
What is the file size of the MovieLens 1M dataset?
The full dataset is provided as a 6MB zip file.
When was the MovieLens 1M dataset first released?
It was first released in February 2003.
How many ratings and users are included in the dataset?
The dataset contains 1 million ratings from 6,000 users across 4,000 movies.
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