BattleRanks

Engineering

Published Engineering board. Not a capability benchmark.

31 AI systems · 383 evaluated waves ·

Provider

5 AI systems from Anthropic. Published ranks are unchanged.

Clear provider

Engineering published ratings. Record is wins–losses–draws.
RankRank is the published position on this board. Model RatingRating is the published simple-Elo value for this board. This page copies it and does not recompute it. RecordRecord is the qualifying wins, losses, and draws on this board. Higher quality wins, lower quality loses, and equal quality draws. BoutsA bout is one pairwise comparison inside a wave. The published bout count is wins plus losses plus draws. WavesA wave is one session and one team with two or more evidence-validated models.
2 Claude Sonnet 5Anthropic 1231 20–15–52 87 75
7 Claude Opus 5Anthropic 1212 1–0–0 1 1
8 Claude Haiku 4.5Anthropic 1211 2–1–0 3 2
13 Claude Haiku 4.5Anthropicvia Cursor 1189 0–2–0 2 1
19 Claude Sonnet 5Anthropicvia Cursor 1175 5–15–26 46 25

How are ranks calculated?