Beam 1.0 501B A23B — Benchmarks

Benchmark scores for Beam 1.0 501B A23B aggregated from public leaderboards (1 boards), with how it ranks among open models and how it compares with its nearest neighbours. See hardware requirements for what you need to run it.

No llmrun Composite Score for Beam 1.0 501B A23B: the score is only published for a model measured on at least 4 of the boards in the score panel, spanning at least 2 benchmark categories and including a reasoning or coding board. Its individual scores below stand on their own — see how the llmrun Composite Score gets calculated.

Beam 1.0 501B A23B coding benchmarks

Writing, editing, and fixing real code — measured by whether the resulting program actually runs and passes tests.

LMArena WebDev
Code Arena (formerly WebDev Arena) is Arena's head-to-head coding leaderboard: two models each build a real web app or UI from the same prompt, and people vote blind on which result is better. The rating shown is a relative Bradley-Terry score, not a percentage — compare it only to other models on this board.
1437.9
1437.9
median 1411.4open leader 1655.2
Overall best: Claude Opus 5.5 (Max) 1807.3
59th percentile · #22 of 52 open · #78 of 138 all
#22 of 52
#78 of 138
Arena
Arena · Oct 2026

Scores aggregated from public benchmark sources (Arena: 1 board) — each linked from the benchmark pages. llmrun does not run these benchmarks. Percentiles and ranks are among open models in the llmrun catalogue; the median and leader marks refer to the same field.