Model comparison

Grok-2 (Dec 2024) vs Hy4 preview

Hy4 preview is the stronger model overall, scoring 45.3 to 33.7 on the Noometry Index.

Last verified . 0 shared benchmarks.

Grok-2 (Dec 2024) xAI

33.7

Rank #239 Confirmed

Hy4 preview Tencent

45.3

Rank #73 Reported

Summary

  • The widest gap is in math, where Hy4 preview leads 55.7 to 20.8.
  • Hy4 preview has downloadable open weights; the other is API-only.

Side by side

Grok-2 (Dec 2024) and Hy4 preview specifications
Grok-2 (Dec 2024)Hy4 preview
ProviderxAITencent
Noometry Index33.745.3
Released2024-08-132026-08-28
WeightsProprietaryOpen
Context window—1.05M
Max output—64K
Input $ / M tokens—$0.83
Output $ / M tokens—$2.50
Results tracked343

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

Category by category

Coding Hy4 preview leads

Grok-2 (Dec 2024): 33.3 (#258), Hy4 preview: 51.6 (#38)

Coding benchmarks
BenchmarkGrok-2 (Dec 2024)Hy4 preview
LMArena WebDev—1632
WeirdML22.2%—
LiveBench Coding46.4%—
LMArena Coding1287—

Reasoning Hy4 preview leads

Grok-2 (Dec 2024): 16.9 (#299), Hy4 preview: 31.9 (#79)

Reasoning benchmarks
BenchmarkGrok-2 (Dec 2024)Hy4 preview
SimpleBench22.7%—
NYT Connections (extended)—68.2%
LiveBench Reasoning54.8%—
LMArena Hard Prompts1272—
DTBench65.2%—
LiveBench Data Analysis54.5%—
Epoch Capabilities Index130.48—
LiveBench54.3%—

Math Hy4 preview leads

Grok-2 (Dec 2024): 20.8 (#284), Hy4 preview: 55.7 (#42)

Math benchmarks
BenchmarkGrok-2 (Dec 2024)Hy4 preview
OTIS Mock AIME 2024-202511.5%—
ProofBench—75%
LiveBench Math54.9%—
LMArena Math1283—
MATH Level 563.5%—
FrontierMath (Feb 2025 set)0.7%—

Knowledge Not comparable

Grok-2 (Dec 2024): 29.8 (#233), Hy4 preview: —

Knowledge benchmarks
BenchmarkGrok-2 (Dec 2024)Hy4 preview
GPQA Diamond53.8%—
Confabulations20.1%—
LMArena Expert1254—

Multilingual Not comparable

Grok-2 (Dec 2024): 43.1 (#188), Hy4 preview: —

Multilingual benchmarks
BenchmarkGrok-2 (Dec 2024)Hy4 preview
LMArena Non-English1282—
LMArena Chinese1289—
LMArena French1318—
LMArena German1287—
LMArena Japanese1244—
LMArena Korean1237—
LMArena Russian1286—
LMArena Spanish1281—

Instruction Following Not comparable

Grok-2 (Dec 2024): 66.9 (#202), Hy4 preview: —

Instruction Following benchmarks
BenchmarkGrok-2 (Dec 2024)Hy4 preview
LiveBench Instruction Following69.6%—
LMArena Instruction Following1270—

Long Context Not comparable

Grok-2 (Dec 2024): 38.8 (#190), Hy4 preview: —

Long Context benchmarks
BenchmarkGrok-2 (Dec 2024)Hy4 preview
LMArena Longer Query1276—

Writing & Preference Not comparable

Grok-2 (Dec 2024): 48.6 (#198), Hy4 preview: —

Writing & Preference benchmarks
BenchmarkGrok-2 (Dec 2024)Hy4 preview
LMArena Text1305—
LMArena Creative Writing1284—
Short-Story Creative Writing63.6%—
LMArena Multi-Turn1290—
LiveBench Language45.6%—

Frequently asked questions

Is Grok-2 (Dec 2024) better than Hy4 preview?

Hy4 preview is the stronger model overall, scoring 45.3 to 33.7 on the Noometry Index.

Is Grok-2 (Dec 2024) or Hy4 preview better for coding?

Hy4 preview scores higher on coding benchmarks: 51.6 versus 33.3 in the Noometry coding category.

How many benchmarks do Grok-2 (Dec 2024) and Hy4 preview share?

0 benchmarks have published results for both models. Grok-2 (Dec 2024) has 34 scored results on Noometry and Hy4 preview has 3.

Related comparisons

Go deeper