Noometry

Model comparison

Grok 4.3 vs Yi-1.5-34B

Grok 4.3 is the stronger model overall, scoring 43.6 to 30.2 on the Noometry Index.

Last verified . 18 shared benchmarks.

Grok 4.3 xAI

43.6

Rank #80 Confirmed

Yi-1.5-34B 01.AI

30.2

Rank #286 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Grok 4.3 scores higher in 8 categories and Yi-1.5-34B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 4.3 leads 52.5 to 14.8.
  • The biggest single-benchmark swing is GPQA Diamond: 88.8% for Grok 4.3 and 32% for Yi-1.5-34B.
  • Yi-1.5-34B has downloadable open weights; the other is API-only.

Side by side

Grok 4.3Yi-1.5-34B
ProviderxAI01.AI
Noometry Index43.630.2
Released2026-04-172024-05-13
WeightsProprietaryOpen
Context window1M—
Max output30K—
Input $ / M tokens$1.25—
Output $ / M tokens$2.50—
Results tracked4021

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Category by category

Coding Grok 4.3 leads

Grok 4.3: 41.3 (#117), Yi-1.5-34B: 31.9 (#267)

BenchmarkGrok 4.3Yi-1.5-34B
LMArena Coding14151169
LMArena WebDev1357—
SciCode47.3%—
WeirdML49.9%—
BigCodeBench Instruct—33.9%
BigCodeBench Complete—43.8%
ALE-Bench944.17—

Agentic & Tool Use Not comparable

Grok 4.3: 27.6 (#93), Yi-1.5-34B: —

BenchmarkGrok 4.3Yi-1.5-34B
GDP.pdf8%—
LMArena Search1165—
Vending-Bench 235.26—

Reasoning Grok 4.3 leads

Grok 4.3: 34.9 (#60), Yi-1.5-34B: 21.5 (#195)

BenchmarkGrok 4.3Yi-1.5-34B
LMArena Hard Prompts13971160
NYT Connections (extended)55.2%—
CritPt8%—
Chess Puzzles25%—
DTBench90.7%—
LMCA38.3%—
Epoch Capabilities Index149.13—
ForecastBench60.3—

Math Grok 4.3 leads

Grok 4.3: 45.8 (#60), Yi-1.5-34B: 25.3 (#248)

BenchmarkGrok 4.3Yi-1.5-34B
LMArena Math13881182
FrontierMath (Tiers 1-3)42.8%—
FrontierMath Tier 414.6%—
OTIS Mock AIME 2024-202593.3%—
ProofBench11%—
MATH Level 5—25.5%

Knowledge Grok 4.3 leads

Grok 4.3: 52.5 (#57), Yi-1.5-34B: 14.8 (#290)

BenchmarkGrok 4.3Yi-1.5-34B
GPQA Diamond88.8%32%
LMArena Expert13851144
SimpleQA Verified33.2%—

Multimodal Not comparable

Grok 4.3: 31.6 (#96), Yi-1.5-34B: —

BenchmarkGrok 4.3Yi-1.5-34B
LMArena Vision1231—
Blueprint-Bench 20%—

Multilingual Grok 4.3 leads

Grok 4.3: 50.7 (#114), Yi-1.5-34B: 32.5 (#251)

BenchmarkGrok 4.3Yi-1.5-34B
LMArena Non-English13851121
LMArena Chinese14231213
LMArena French14121155
LMArena German13951111
LMArena Japanese13791021
LMArena Korean13571005
LMArena Russian13991091
LMArena Spanish14021120

Instruction Following Grok 4.3 leads

Grok 4.3: 72.3 (#135), Yi-1.5-34B: 59.4 (#252)

BenchmarkGrok 4.3Yi-1.5-34B
LMArena Instruction Following13661139

Long Context Grok 4.3 leads

Grok 4.3: 42.5 (#118), Yi-1.5-34B: 34.6 (#243)

BenchmarkGrok 4.3Yi-1.5-34B
LMArena Longer Query13931144

Writing & Preference Grok 4.3 leads

Grok 4.3: 58.6 (#112), Yi-1.5-34B: 37.6 (#252)

BenchmarkGrok 4.3Yi-1.5-34B
LMArena Text13971173
LMArena Creative Writing13801135
LMArena Multi-Turn14061153
EQ-Bench 41075—

Frequently asked questions

Is Grok 4.3 better than Yi-1.5-34B?

Grok 4.3 is the stronger model overall, scoring 43.6 to 30.2 on the Noometry Index.

Is Grok 4.3 or Yi-1.5-34B better for coding?

Grok 4.3 scores higher on coding benchmarks: 41.3 versus 31.9 in the Noometry coding category.

How many benchmarks do Grok 4.3 and Yi-1.5-34B share?

18 benchmarks have published results for both models. Grok 4.3 has 40 scored results on Noometry and Yi-1.5-34B has 21.

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