BenchAtlas

Rankings / xAI

Grok 4.20 Beta 0309B Reasoning

released 2026-03-09

BenchAtlas Index

as of 2026-07-14
Not enough benchmark coverage for a composite score (needs ≥4 families across ≥3 categories). The per-benchmark evidence below stands on its own — sparse coverage is an evidence gap, not a low score.

Benchmark evidence

8 results
reasoning math
ARC-AGI-1older version
split=public_eval · model_type=CoT
95.5 %independentARC Prize Leaderboard
ARC-AGI-1older version
split=semi_private · model_type=CoT
89.5 %independentARC Prize Leaderboard
ARC-AGI-2
split=semi_private · model_type=CoT
65.1 %independentARC Prize Leaderboard
ARC-AGI-2
split=public_eval · model_type=CoT
63.6 %independentARC Prize Leaderboard
ARC-AGI-2
split=public_eval · model_type=CoT
1.0 usd_per_taskindependentARC Prize Leaderboard
ARC-AGI-2
split=semi_private · model_type=CoT
0.9 usd_per_taskindependentARC Prize Leaderboard
ARC-AGI-1older version
split=semi_private · model_type=CoT
0.3 usd_per_taskindependentARC Prize Leaderboard
ARC-AGI-1older version
split=public_eval · model_type=CoT
0.2 usd_per_taskindependentARC Prize Leaderboard