Noometry

Model comparison

GPT-4.1 nano vs Yi-34B

GPT-4.1 nano and Yi-34B score almost the same on the Noometry Index (27.9 vs 27.8), so choose on price, context window or the category you care about most.

Last verified . 17 shared benchmarks.

GPT-4.1 nano OpenAI

27.9

Rank #327 Confirmed

Yi-34B 01.AI

27.8

Rank #329 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GPT-4.1 nano scores higher in 5 categories and Yi-34B in 3 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-4.1 nano leads 21.8 to 7.5.
  • The biggest single-benchmark swing is MATH Level 5: 70% for GPT-4.1 nano and 5.1% for Yi-34B.
  • Yi-34B has downloadable open weights; the other is API-only.

Side by side

GPT-4.1 nanoYi-34B
ProviderOpenAI01.AI
Noometry Index27.927.8
Released2025-04-142023-11-02
WeightsProprietaryOpen
Context window1.05M—
Max output33K—
Input $ / M tokens$0.10—
Output $ / M tokens$0.40—
Results tracked3823

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Category by category

Coding Yi-34B leads

GPT-4.1 nano: 24.1 (#330), Yi-34B: 32.3 (#274)

BenchmarkGPT-4.1 nanoYi-34B
LMArena Coding13061112
Aider Polyglot8.9%—
SciCode25.9%—
WeirdML19%—

Agentic & Tool Use Not comparable

GPT-4.1 nano: 26.5 (#104), Yi-34B: —

BenchmarkGPT-4.1 nanoYi-34B
Berkeley Function Calling Leaderboard33%—

Reasoning Yi-34B leads

GPT-4.1 nano: 8.5 (#349), Yi-34B: 21.2 (#226)

BenchmarkGPT-4.1 nanoYi-34B
LMArena Hard Prompts12861104
Epoch Capabilities Index129.62117.39
ARC-AGI-20%—
Kagi LLM Benchmark33.3%—
ARC-AGI-10%—
CritPt0%—
DTBench52.5%—
LMCA5.5%—
BIG-Bench Hard—71.7%

Math GPT-4.1 nano leads

GPT-4.1 nano: 26.9 (#252), Yi-34B: 21.6 (#282)

BenchmarkGPT-4.1 nanoYi-34B
LMArena Math12741114
MATH Level 570%5.1%
OTIS Mock AIME 2024-202528.9%—
Omni-MATH36.7%—
FrontierMath (Feb 2025 set)1%—
GSM8K—76%

Knowledge GPT-4.1 nano leads

GPT-4.1 nano: 21.8 (#273), Yi-34B: 7.5 (#309)

BenchmarkGPT-4.1 nanoYi-34B
GPQA Diamond48.9%14.7%
LMArena Expert12721061
SimpleQA Verified6%—
MMLU-Pro55%—
GPQA (HELM)50.7%—
MMLU—76.3%

Multimodal Not comparable

GPT-4.1 nano: 29.2 (#113), Yi-34B: —

BenchmarkGPT-4.1 nanoYi-34B
LMArena Vision1063—

Multilingual GPT-4.1 nano leads

GPT-4.1 nano: 41.6 (#205), Yi-34B: 29.7 (#264)

BenchmarkGPT-4.1 nanoYi-34B
LMArena Non-English12601079
LMArena Chinese12701176
LMArena German12881042
LMArena Japanese1198993
LMArena Russian12611050
LMArena French—1081
LMArena Korean—959
LMArena Spanish—1070

Instruction Following GPT-4.1 nano leads

GPT-4.1 nano: 67.8 (#193), Yi-34B: 56.2 (#274)

BenchmarkGPT-4.1 nanoYi-34B
LMArena Instruction Following12671091
IFEval84.3%—

Long Context Yi-34B leads

GPT-4.1 nano: 23.7 (#296), Yi-34B: 33.2 (#264)

BenchmarkGPT-4.1 nanoYi-34B
LMArena Longer Query12831094
Fiction.LiveBench25%—

Writing & Preference GPT-4.1 nano leads

GPT-4.1 nano: 40.5 (#243), Yi-34B: 34.1 (#273)

BenchmarkGPT-4.1 nanoYi-34B
LMArena Text12851129
LMArena Creative Writing12601108
LMArena Multi-Turn12771113
EQ-Bench Creative Writing946—
WildBench81.2%—

Frequently asked questions

Is GPT-4.1 nano better than Yi-34B?

GPT-4.1 nano and Yi-34B score almost the same on the Noometry Index (27.9 vs 27.8), so choose on price, context window or the category you care about most.

Is GPT-4.1 nano or Yi-34B better for coding?

Yi-34B scores higher on coding benchmarks: 32.3 versus 24.1 in the Noometry coding category.

How many benchmarks do GPT-4.1 nano and Yi-34B share?

17 benchmarks have published results for both models. GPT-4.1 nano has 38 scored results on Noometry and Yi-34B has 23.

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