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Gemini 3 Flash vs GLM-5.1

Gemini 3 Flash · Google DeepMind, released 2025-12-17
GLM-5.1 · Z.ai (Zhipu AI), released 2026-04-07

“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 8 of 9 tracked benchmarks for both models — Gemini 3 Flash leads on 6, GLM-5.1 leads on 2.

BenchmarkGemini 3 Flash GLM-5.1Leads
Epoch Capabilities Index (ECI)150.6150.4Gemini 3 Flash
SWE-bench Verified0.7540.742Gemini 3 Flash
GPQA Diamond0.8320.855GLM-5.1
MATH Level 5Not measuredNot measuredNot measured on both
OTIS Mock AIME 2024-20250.9280.922Gemini 3 Flash
FrontierMath0.3560.334Gemini 3 Flash
FrontierMath Tier 40.0420.125GLM-5.1
SimpleQA Verified0.6740.373Gemini 3 Flash
Chess Puzzles0.3800.180Gemini 3 Flash
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

Gemini 3 Flash → · GLM-5.1 → · the full AI Model Rankings table