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Competition-Level Code Generation with AlphaCode

(a) AlphaCode’s ranking in 10 contests

(b) AlphaCode’s estimated rating
Figure 1 | AlphaCode’s ranking on 10 simulated Codeforces contests and estimated rating (right
is better). AlphaCode ranked in the top 54.3% among contest participants averaged over 10 contests,
and achieved an estimated average rating of 1238. (a) shows the rating of participants (y-axis) and
their rankings in each contest (x-axis), as well as AlphaCode’s ranking for each of the 10 contests. (b)
shows the estimated rating of AlphaCode among users who have participated in at least 1 contest in
the last 6 months. AlphaCode’s estimated rating of 1238 is greater than 72% of these users.
alphacode