LIVE INTELLIGENCE · part of the Xentir AI Index

GLM-5 vs o4-mini

GLM-5 OPEN WEIGHTS · Z.ai (Zhipu AI), released 2026-02-11
o4-mini · OpenAI, released 2025-04-16

“Epoch AI, 'AI Benchmarking Hub'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks' [online resource].” · epoch.ai/benchmarks · Licensed CC BY 4.0 · data last verified 2026-07-26 · Methodology · Data Sources

Head-to-head

Measured on 6 of 9 tracked benchmarks for both models — GLM-5 leads on 1, o4-mini leads on 5.

Benchmark	GLM-5	o4-mini	Leads
Epoch Capabilities Index (ECI)	146.4	146.5	o4-mini
SWE-bench Verified	0.721	Not measured	Not measured on both
GPQA Diamond	0.878	0.796 (high)	GLM-5
MATH Level 5	Not measured	0.978 (high)	Not measured on both
OTIS Mock AIME 2024-2025	0.800	0.817 (high)	o4-mini
FrontierMath	0.164	0.248 (high)	o4-mini
FrontierMath Tier 4	0.021	0.062 (high)	o4-mini
SimpleQA Verified	Not measured	0.239 (high)	Not measured on both
Chess Puzzles	0.100	0.260 (high)	o4-mini

Benchmark results measure specific tasks and should not be treated as a universal measure of model quality. A model with no row here for a benchmark has not been measured on it — that is left blank, never estimated.

Full profiles

GLM-5 → · o4-mini → · the full AI Model Rankings table