LIVE INTELLIGENCE · part of the Xentir AI Index

Grok-2 vs Llama 4 Scout

Grok-2 · xAI, released 2024-12-12
Llama 4 Scout OPEN WEIGHTS · Meta AI, released 2025-04-05

“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 5 of 9 tracked benchmarks for both models — Grok-2 leads on 5.

Benchmark	Grok-2	Llama 4 Scout	Leads
Epoch Capabilities Index (ECI)	130.8	130.5	Grok-2
SWE-bench Verified	Not measured	Not measured	Not measured on both
GPQA Diamond	0.538	0.518	Grok-2
MATH Level 5	0.635	0.623	Grok-2
OTIS Mock AIME 2024-2025	0.115	0.078	Grok-2
FrontierMath	0.007	0.000	Grok-2
FrontierMath Tier 4	Not measured	Not measured	Not measured on both
SimpleQA Verified	Not measured	Not measured	Not measured on both
Chess Puzzles	Not measured	Not measured	Not measured on both

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

Grok-2 → · Llama 4 Scout → · the full AI Model Rankings table