Noometry

Model comparison

Grok 4.5 vs Yi-34B

Grok 4.5 is the stronger model overall, scoring 55.0 to 27.8 on the Noometry Index.

Last verified . 19 shared benchmarks.

Grok 4.5 xAI

55.0

Rank #25 Confirmed

Yi-34B 01.AI

27.8

Rank #329 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Grok 4.5 scores higher in 8 categories and Yi-34B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 4.5 leads 62.3 to 7.5.
  • The biggest single-benchmark swing is GPQA Diamond: 93.4% for Grok 4.5 and 14.7% for Yi-34B.
  • Yi-34B has downloadable open weights; the other is API-only.

Side by side

Grok 4.5Yi-34B
ProviderxAI01.AI
Noometry Index55.027.8
Released2026-07-082023-11-02
WeightsProprietaryOpen
Context window500K—
Max output500K—
Input $ / M tokens$2—
Output $ / M tokens$6—
Results tracked5223

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Category by category

Coding Grok 4.5 leads

Grok 4.5: 52.2 (#35), Yi-34B: 32.3 (#274)

BenchmarkGrok 4.5Yi-34B
LMArena Coding14741112
DeepSWE53.8%—
FrontierCode42.4%—
LMArena WebDev1553—
SciCode54.1%—
WeirdML46.4%—
ALE-Bench1,309—

Agentic & Tool Use Not comparable

Grok 4.5: 44.4 (#17), Yi-34B: —

BenchmarkGrok 4.5Yi-34B
APEX-Agents56.2%—
τ²-bench Banking47.9%—
PostTrainBench23.4%—
GBAEval65.4%—
GDP.pdf14%—
LMArena Search1213—
Vending-Bench 23,887—

Reasoning Grok 4.5 leads

Grok 4.5: 56.1 (#25), Yi-34B: 21.2 (#226)

BenchmarkGrok 4.5Yi-34B
LMArena Hard Prompts14621104
Epoch Capabilities Index153.92117.39
ARC-AGI-252.6%—
SimpleBench70%—
Kagi LLM Benchmark83.5%—
NYT Connections (extended)79.9%—
ARC-AGI-187.2%—
CritPt15.4%—
Chess Puzzles36%—
DTBench96.5%—
LMCA45.2%—
Surface Evolver Bench74.4%—
BIG-Bench Hard—71.7%

Math Grok 4.5 leads

Grok 4.5: 60.9 (#35), Yi-34B: 21.6 (#282)

BenchmarkGrok 4.5Yi-34B
LMArena Math14591114
FrontierMath (Tiers 1-3)57.2%—
FrontierMath Tier 424.4%—
OTIS Mock AIME 2024-202597.8%—
ProofBench31%—
MATH Level 5—5.1%
GSM8K—76%

Knowledge Grok 4.5 leads

Grok 4.5: 62.3 (#24), Yi-34B: 7.5 (#309)

BenchmarkGrok 4.5Yi-34B
GPQA Diamond93.4%14.7%
LMArena Expert14661061
SimpleQA Verified48.3%—
MMLU—76.3%

Multimodal Not comparable

Grok 4.5: 37.6 (#72), Yi-34B: —

BenchmarkGrok 4.5Yi-34B
LMArena Vision1288—
Blueprint-Bench 227.3%—
Furniture Assembly22.5%—
LMArena Document1452—

Multilingual Grok 4.5 leads

Grok 4.5: 54.4 (#42), Yi-34B: 29.7 (#264)

BenchmarkGrok 4.5Yi-34B
LMArena Non-English14401079
LMArena Chinese14961176
LMArena French14561081
LMArena German14461042
LMArena Japanese1428993
LMArena Korean1404959
LMArena Russian14481050
LMArena Spanish14501070

Instruction Following Grok 4.5 leads

Grok 4.5: 76.0 (#48), Yi-34B: 56.2 (#274)

BenchmarkGrok 4.5Yi-34B
LMArena Instruction Following14461091

Long Context Grok 4.5 leads

Grok 4.5: 44.8 (#56), Yi-34B: 33.2 (#264)

BenchmarkGrok 4.5Yi-34B
LMArena Longer Query14631094

Writing & Preference Grok 4.5 leads

Grok 4.5: 65.8 (#42), Yi-34B: 34.1 (#273)

BenchmarkGrok 4.5Yi-34B
LMArena Text14481129
LMArena Creative Writing14421108
LMArena Multi-Turn14561113
EQ-Bench Creative Writing1579—

Frequently asked questions

Is Grok 4.5 better than Yi-34B?

Grok 4.5 is the stronger model overall, scoring 55.0 to 27.8 on the Noometry Index.

Is Grok 4.5 or Yi-34B better for coding?

Grok 4.5 scores higher on coding benchmarks: 52.2 versus 32.3 in the Noometry coding category.

How many benchmarks do Grok 4.5 and Yi-34B share?

19 benchmarks have published results for both models. Grok 4.5 has 52 scored results on Noometry and Yi-34B has 23.

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