Kimi K2.5 (Medium): benchmark results

Provider: Moonshot. Released 2026-01-27. Access: Open.

Unified ELO 1651 ± 1, rank #340 of 3078 rated models, from 11 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
IKP - T496.81Accuracy (%)98.7
IKP - T592.27Accuracy (%)95.6
IKP - T398.91Accuracy (%)89.3
Incompressible Knowledge Probes (IKP)74.21Mean tier accuracy (%)84.8
MageBench Season 11652Rating (self-reported)78.8
MageBench S11652Rating73.5
IKP - T299.5Accuracy (%)72.2
IKP - T711.63Accuracy (%)72.1
MageBench1633Rating65.8
IKP - T199.5Accuracy (%)58.5
IKP - T620.86Accuracy (%)58.2

Interactive version: theaggregate.ai/model?slug=kimi-k2-5-medium · How It Works · Data refreshed daily, snapshot 2026-09-19.