Model comparison

Grok 4 vs Hy3

Grok 4 is the stronger model overall, scoring 47.8 to 43.6 on the Noometry Index.

Last verified . 15 shared benchmarks.

Grok 4 xAI

47.8

Rank #49 Confirmed

Hy3 Tencent

43.6

Rank #79 Confirmed

Summary

  • They share 15 benchmarks with published results for both. Grok 4 scores higher in 6 categories and Hy3 in 2 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Grok 4 leads 63.1 to 44.1.
  • Hy3 has downloadable open weights; the other is API-only.

Side by side

Grok 4 and Hy3 specifications
Grok 4Hy3
ProviderxAITencent
Noometry Index47.843.6
Released2025-07-092026-07-06
WeightsProprietaryOpen
Context window—262K
Max output—128K
Input $ / M tokens—$0.13
Output $ / M tokens—$0.53
Results tracked4817

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Grok 4 leads

Grok 4: 49.9 (#44), Hy3: 46.6 (#60)

Coding benchmarks
BenchmarkGrok 4Hy3
LMArena Coding14081465
Aider Polyglot79.6%—
LMArena WebDev—1509
WeirdML45.7%—

Agentic & Tool Use Not comparable

Grok 4: 32.1 (#62), Hy3: —

Agentic & Tool Use benchmarks
BenchmarkGrok 4Hy3
Terminal-Bench27.2%—
Berkeley Function Calling Leaderboard63%—
GDPval21.1%—
Cybench43%—
DeepResearch Bench47.3%—
BALROG43.6%—
LMArena Search1142—
METR Time Horizons66.6%—

Reasoning Grok 4 leads

Grok 4: 36.9 (#59), Hy3: 25.0 (#134)

Reasoning benchmarks
BenchmarkGrok 4Hy3
LMArena Hard Prompts14091449
ARC-AGI-216%—
SimpleBench60.5%—
Kagi LLM Benchmark73.6%—
NYT Connections (extended)—41.2%
ARC-AGI-166.7%—
Chess Puzzles28%—
Epoch Capabilities Index146.46—
ForecastBench60.9—

Math Grok 4 leads

Grok 4: 46.5 (#58), Hy3: 37.4 (#98)

Math benchmarks
BenchmarkGrok 4Hy3
LMArena Math14221475
OTIS Mock AIME 2024-202584%—
Omni-MATH60.3%—
FrontierMath (Feb 2025 set)19.7%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge Grok 4 leads

Grok 4: 53.7 (#50), Hy3: 40.2 (#108)

Knowledge benchmarks
BenchmarkGrok 4Hy3
LMArena Expert14171461
GPQA Diamond87%—
MMLU-Pro85.1%—
Confabulations12.4%—
GPQA (HELM)72.7%—

Multimodal Not comparable

Grok 4: 33.1 (#89), Hy3: —

Multimodal benchmarks
BenchmarkGrok 4Hy3
LMArena Vision1211—
GeoBench45%—

Multilingual Hy3 leads

Grok 4: 52.0 (#98), Hy3: 53.7 (#60)

Multilingual benchmarks
BenchmarkGrok 4Hy3
LMArena Non-English14031427
LMArena Chinese14281496
LMArena French14181461
LMArena Korean13761390
LMArena Russian14091435
LMArena Spanish14191448
LMArena German1429—
LMArena Japanese1396—

Instruction Following Grok 4 leads

Grok 4: 79.4 (#4), Hy3: 75.3 (#68)

Instruction Following benchmarks
BenchmarkGrok 4Hy3
LMArena Instruction Following13871425
IFEval94.9%—

Long Context Grok 4 leads

Grok 4: 63.1 (#4), Hy3: 44.1 (#70)

Long Context benchmarks
BenchmarkGrok 4Hy3
LMArena Longer Query14091443
Fiction.LiveBench94.4%—

Writing & Preference Hy3 leads

Grok 4: 58.7 (#111), Hy3: 62.5 (#75)

Writing & Preference benchmarks
BenchmarkGrok 4Hy3
LMArena Text14121442
LMArena Creative Writing13971399
LMArena Multi-Turn14161436
Short-Story Creative Writing76.9%—
WildBench79.7%—

Frequently asked questions

Is Grok 4 better than Hy3?

Grok 4 is the stronger model overall, scoring 47.8 to 43.6 on the Noometry Index.

Is Grok 4 or Hy3 better for coding?

Grok 4 scores higher on coding benchmarks: 49.9 versus 46.6 in the Noometry coding category.

How many benchmarks do Grok 4 and Hy3 share?

15 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and Hy3 has 17.

Related comparisons

Go deeper