OpenAI is offering $1M to build an AI that fits in 16 MB
OpenAI's Parameter Golf challenge offers $1 million in compute credits to whoever can build the best-performing AI language model that fits in just 16 megabytes.
OpenAI just launched Parameter Golf — an open competition where anyone can try to build the smartest possible AI language model that fits inside 16 megabytes. That's smaller than most phone photos. The prize pool: $1 million in computing credits. And yes, it's also a job interview.
The rules: tiny model, big brain
The challenge is deceptively simple. Participants must build an AI language model where the entire package — the model itself plus all training code — weighs under 16 MB (exactly 16,000,000 bytes). For context, ChatGPT's underlying models are estimated to be thousands of times larger.
Size limit: 16 MB total (model weights + training code)
Training time: Maximum 10 minutes on 8 H100 GPUs (the most powerful AI chips available)
What's measured: How well the tiny model compresses and predicts text — lower score = better
Deadline: April 30, 2026
Prize: $1 million in computing credits (via Runpod)
The models are evaluated on a dataset called FineWeb using a metric called "bits-per-byte" — essentially, how efficiently the model can predict what comes next in a text. It's tokenizer-agnostic (meaning it doesn't matter how you break words into pieces), so participants can get creative with their approaches.
Why this matters beyond the competition
Right now, the AI industry has a size problem. The most capable models require massive data centers and expensive hardware to run. If researchers can figure out how to make tiny models punch above their weight, it opens the door to:
AI on your phone — Models small enough to run directly on smartphones without needing an internet connection
Cheaper AI for everyone — Smaller models need less computing power, which means lower costs for businesses and developers
Faster responses — Tiny models respond almost instantly, making AI tools feel more like native apps
It's also a hiring pipeline
OpenAI isn't hiding it: they're using this competition to find talent. The company plans to hire a small group of junior researchers in June, and top Parameter Golf performers will be invited for interviews. The target: students, competition winners (like math and science Olympiad participants), and self-taught researchers.
This comes as the AI talent war intensifies. Meta has reportedly offered compensation packages up to $300 million to poach top AI researchers — making creative recruitment strategies like this essential for staying competitive.
The current leaderboard
So far, only the baseline model sits on the public leaderboard — a 9-layer model with a score of 1.2244. A longer "unlimited compute" baseline scored 1.2074, showing there's significant room for optimization even within the 10-minute training window.
The GitHub repository (241 stars and climbing) includes starter code, evaluation scripts, and instructions. You can train locally on an Apple Silicon Mac or rent cloud GPUs.
How to participate
# Clone the repo
git clone https://github.com/openai/parameter-golf.git
cd parameter-golf
# Install dependencies
pip install -r requirements.txt
# Start training locally
python train.py
To submit for the official leaderboard, you'll need to open a pull request with your model, a README explaining your approach, and reproducible training logs. The competition runs until April 30, 2026.
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