Hutter Prize

The Hutter Prize is a cash prize funded by Marcus Hutter which rewards data compression improvements on a specific 1 GB English text file, with the goal of encouraging research in artificial intelligence (AI).

Launched in 2006, the prize awards 5000 euros for each one percent improvement (with 500,000 euros total funding) in the compressed size of the file enwik9, which is the larger of two files used in the Large Text Compression Benchmark (LTCB); enwik9 consists of the first 10⁹ bytes of a specific version of English Wikipedia. The ongoing competition is organized by Hutter, Matt Mahoney, and Jim Bowery.

As of 2018, the text data of enwik8 and enwik9 remains a key tool for evaluating the performance of compression algorithms (as done in Hutter's LTCB) and of language models.

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