Noometry

Model comparison

GPT-4.5 vs Yi-1.5-34B

GPT-4.5 is the stronger model overall, scoring 37.2 to 30.6 on the Noometry Index.

Last verified . 18 shared benchmarks.

GPT-4.5 OpenAI

37.2

Rank #208 Confirmed

Yi-1.5-34B 01.AI

30.6

Rank #289 Confirmed

Summary

  • They share 18 benchmarks with published results for both. GPT-4.5 scores higher in 7 categories and Yi-1.5-34B in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in multilingual, where GPT-4.5 leads 52.5 to 32.3.
  • The biggest single-benchmark swing is MATH Level 5: 78.6% for GPT-4.5 and 25.5% for Yi-1.5-34B.
  • Yi-1.5-34B has downloadable open weights; the other is API-only.

Side by side

GPT-4.5Yi-1.5-34B
ProviderOpenAI01.AI
Noometry Index37.230.6
Released2025-02-272024-05-13
WeightsProprietaryOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked4221

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Category by category

Coding GPT-4.5 leads

GPT-4.5: 42.2 (#109), Yi-1.5-34B: 32.4 (#272)

BenchmarkGPT-4.5Yi-1.5-34B
LMArena Coding13961169
Aider Polyglot44.9%—
WeirdML39.4%—
BigCodeBench Instruct—33.9%
LiveBench Coding75.2%—
BigCodeBench Complete—43.8%

Agentic & Tool Use Not comparable

GPT-4.5: 27.9 (#97), Yi-1.5-34B: —

BenchmarkGPT-4.5Yi-1.5-34B
Cybench17.5%—

Reasoning Yi-1.5-34B leads

GPT-4.5: 13.9 (#330), Yi-1.5-34B: 22.5 (#191)

BenchmarkGPT-4.5Yi-1.5-34B
LMArena Hard Prompts14031160
ARC-AGI-20.8%—
SimpleBench34.5%—
ARC-AGI-110.3%—
EnigmaEval3.2%—
LiveBench Reasoning71.1%—
LiveBench Data Analysis64.3%—
Epoch Capabilities Index136.74—
ForecastBench61.7—
LiveBench69%—

Math GPT-4.5 leads

GPT-4.5: 32.6 (#211), Yi-1.5-34B: 27.5 (#249)

BenchmarkGPT-4.5Yi-1.5-34B
LMArena Math14121182
MATH Level 578.6%25.5%
OTIS Mock AIME 2024-202537.8%—
LiveBench Math69.3%—

Knowledge GPT-4.5 leads

GPT-4.5: 32.5 (#211), Yi-1.5-34B: 14.8 (#295)

BenchmarkGPT-4.5Yi-1.5-34B
GPQA Diamond68.7%32%
LMArena Expert13941144
Humanity's Last Exam5.4%—
Confabulations13.6%—

Multimodal Not comparable

GPT-4.5: 37.6 (#71), Yi-1.5-34B: —

BenchmarkGPT-4.5Yi-1.5-34B
LMArena Vision1195—
VPCT45%—

Multilingual GPT-4.5 leads

GPT-4.5: 52.5 (#83), Yi-1.5-34B: 32.3 (#256)

BenchmarkGPT-4.5Yi-1.5-34B
LMArena Non-English14131121
LMArena Chinese14211213
LMArena French14181156
LMArena German14571111
LMArena Japanese14161021
LMArena Korean13921005
LMArena Russian14191091
LMArena Spanish—1121

Instruction Following GPT-4.5 leads

GPT-4.5: 72.6 (#134), Yi-1.5-34B: 59.2 (#257)

BenchmarkGPT-4.5Yi-1.5-34B
LMArena Instruction Following14041139
LiveBench Instruction Following72.3%—

Long Context GPT-4.5 leads

GPT-4.5: 40.4 (#155), Yi-1.5-34B: 34.6 (#248)

BenchmarkGPT-4.5Yi-1.5-34B
LMArena Longer Query14061143
Fiction.LiveBench63.9%—

Writing & Preference GPT-4.5 leads

GPT-4.5: 56.9 (#134), Yi-1.5-34B: 37.4 (#257)

BenchmarkGPT-4.5Yi-1.5-34B
LMArena Text14171173
LMArena Creative Writing13941135
LMArena Multi-Turn14441153
Short-Story Creative Writing75.6%—
EQ-Bench Creative Writing1258—
LiveBench Language61.5%—

Frequently asked questions

Is GPT-4.5 better than Yi-1.5-34B?

GPT-4.5 is the stronger model overall, scoring 37.2 to 30.6 on the Noometry Index.

Is GPT-4.5 or Yi-1.5-34B better for coding?

GPT-4.5 scores higher on coding benchmarks: 42.2 versus 32.4 in the Noometry coding category.

How many benchmarks do GPT-4.5 and Yi-1.5-34B share?

18 benchmarks have published results for both models. GPT-4.5 has 42 scored results on Noometry and Yi-1.5-34B has 21.

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