Noometry

Model comparison

Grok 4.6 vs Hy3

Grok 4.6 is the stronger model overall, scoring 56.9 to 44.2 on the Noometry Index. Hy3 costs 21× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Last verified . 19 shared benchmarks.

Grok 4.6 xAI

56.9

Rank #21 Confirmed

Hy3 Tencent

44.2

Rank #79 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Grok 4.6 scores higher in 7 categories and Hy3 in 1 category; 4 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.6 leads 61.4 to 26.1.
  • The biggest single-benchmark swing is NYT Connections (extended): 80% for Grok 4.6 and 41.2% for Hy3.
  • Hy3 is cheaper at $0.0825 / $0.33 per million input/output tokens, against $2 / $6 for Grok 4.6.
  • Grok 4.6 accepts more context: 500K tokens versus 262K.
  • Hy3 has downloadable open weights; the other is API-only.

Side by side

Grok 4.6Hy3
ProviderxAITencent
Noometry Index56.944.2
Released2026-08-122026-07-06
WeightsProprietaryOpen
Context window500K262K
Max output500K128K
Input $ / M tokens$2$0.0825
Output $ / M tokens$6$0.33
Results tracked4919

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Category by category

Coding Grok 4.6 leads

Grok 4.6: 58.5 (#16), Hy3: 46.8 (#63)

BenchmarkGrok 4.6Hy3
LMArena WebDev16171508
LMArena Coding14651464
DeepSWE67.5%—
FrontierCode48%—
CursorBench41.4%—
FrontierSWE25.3%—
SciCode56.5%—
WeirdML67.3%—
ALE-Bench1,508—

Agentic & Tool Use Not comparable

Grok 4.6: 39.4 (#27), Hy3: —

BenchmarkGrok 4.6Hy3
APEX-Agents65.3%—
GDP.pdf17.2%—
Vending-Bench 29,047—

Reasoning Grok 4.6 leads

Grok 4.6: 61.4 (#20), Hy3: 26.1 (#136)

BenchmarkGrok 4.6Hy3
NYT Connections (extended)80%41.2%
LMArena Hard Prompts14471447
ARC-AGI-267.1%—
SimpleBench75.9%—
ARC-AGI-187.5%—
CritPt19.7%—
Chess Puzzles40%—
EBR-Bench30.5%—
Mystery Game Puzzles34%—
DTBench97.3%—
LMCA48.5%—
Epoch Capabilities Index156.44—

Math Grok 4.6 leads

Grok 4.6: 67.0 (#24), Hy3: 40.1 (#93)

BenchmarkGrok 4.6Hy3
LMArena Math14231475
FrontierMath (Tiers 1-3)66%—
FrontierMath Tier 431.7%—
OTIS Mock AIME 2024-202599.2%—
ProofBench51%—

Knowledge Grok 4.6 leads

Grok 4.6: 63.3 (#20), Hy3: 40.8 (#114)

BenchmarkGrok 4.6Hy3
LMArena Expert14671460
GPQA Diamond94%—
SimpleQA Verified49.3%—

Multimodal Not comparable

Grok 4.6: 43.6 (#23), Hy3: —

BenchmarkGrok 4.6Hy3
LMArena Vision1263—
Blueprint-Bench 233.2%—
Furniture Assembly40%—
LMArena Document1452—

Multilingual Too close to call

Grok 4.6: 53.0 (#74), Hy3: 53.5 (#65)

BenchmarkGrok 4.6Hy3
LMArena Non-English14201426
LMArena Chinese14801493
LMArena French14611461
LMArena German14311439
LMArena Japanese13761392
LMArena Korean13971395
LMArena Russian14221432
LMArena Spanish14041456

Instruction Following Too close to call

Grok 4.6: 75.4 (#63), Hy3: 75.1 (#70)

BenchmarkGrok 4.6Hy3
LMArena Instruction Following14311426

Long Context Too close to call

Grok 4.6: 44.5 (#66), Hy3: 44.1 (#75)

BenchmarkGrok 4.6Hy3
LMArena Longer Query14541442

Writing & Preference Too close to call

Grok 4.6: 62.3 (#80), Hy3: 62.2 (#81)

BenchmarkGrok 4.6Hy3
LMArena Text14281439
LMArena Creative Writing14281402
LMArena Multi-Turn14251436

Frequently asked questions

Is Grok 4.6 better than Hy3?

Grok 4.6 is the stronger model overall, scoring 56.9 to 44.2 on the Noometry Index. Hy3 costs 21× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Which is cheaper, Grok 4.6 or Hy3?

Hy3 is cheaper. It lists at $0.0825 per million input tokens and $0.33 per million output tokens; Grok 4.6 lists at $2 and $6.

Is Grok 4.6 or Hy3 better for coding?

Grok 4.6 scores higher on coding benchmarks: 58.5 versus 46.8 in the Noometry coding category.

Which has the bigger context window?

Grok 4.6 does, with 500K tokens against 262K.

How many benchmarks do Grok 4.6 and Hy3 share?

19 benchmarks have published results for both models. Grok 4.6 has 49 scored results on Noometry and Hy3 has 19.

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