Noometry

Model comparison

GPT-4.1 mini vs Yi-Lightning

Yi-Lightning is the stronger model overall, scoring 37.1 to 33.6 on the Noometry Index.

Last verified . 18 shared benchmarks.

GPT-4.1 mini OpenAI

33.6

Rank #240 Confirmed

Yi-Lightning 01.AI

37.1

Rank #209 Confirmed

Summary

  • They share 18 benchmarks with published results for both. GPT-4.1 mini scores higher in 3 categories and Yi-Lightning in 5 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Yi-Lightning leads 25.9 to 10.8.
  • The biggest single-benchmark swing is Aider Polyglot: 32.4% for GPT-4.1 mini and 12.9% for Yi-Lightning.

Side by side

GPT-4.1 miniYi-Lightning
ProviderOpenAI01.AI
Noometry Index33.637.1
Released2025-04-142024-12-02
WeightsProprietaryProprietary
Context window1.05M—
Max output33K—
Input $ / M tokens$0.40—
Output $ / M tokens$1.60—
Results tracked4718

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Category by category

Coding GPT-4.1 mini leads

GPT-4.1 mini: 30.6 (#293), Yi-Lightning: 27.4 (#320)

BenchmarkGPT-4.1 miniYi-Lightning
Aider Polyglot32.4%12.9%
LMArena Coding13671312
SWE-bench Verified (bash only)23.9%—
SciCode40.4%—
WeirdML37.6%—
BigCodeBench Instruct48.9%—
CadEval16%—

Agentic & Tool Use Not comparable

GPT-4.1 mini: 33.3 (#55), Yi-Lightning: —

BenchmarkGPT-4.1 miniYi-Lightning
Berkeley Function Calling Leaderboard50.5%—

Reasoning Yi-Lightning leads

GPT-4.1 mini: 10.8 (#340), Yi-Lightning: 25.9 (#139)

BenchmarkGPT-4.1 miniYi-Lightning
LMArena Hard Prompts13491302
ARC-AGI-20%—
Kagi LLM Benchmark48.6%—
ARC-AGI-13.5%—
CritPt0%—
Chess Puzzles7%—
Mystery Game Puzzles7%—
DTBench68.8%—
LMCA21.1%—
Epoch Capabilities Index135.01—

Math Yi-Lightning leads

GPT-4.1 mini: 24.1 (#270), Yi-Lightning: 36.2 (#172)

BenchmarkGPT-4.1 miniYi-Lightning
LMArena Math13431300
FrontierMath (Tiers 1-3)6.7%—
OTIS Mock AIME 2024-202544.7%—
Omni-MATH49.1%—
MATH Level 587.3%—
FrontierMath (Feb 2025 set)4.5%—

Knowledge Too close to call

GPT-4.1 mini: 34.7 (#194), Yi-Lightning: 35.4 (#185)

BenchmarkGPT-4.1 miniYi-Lightning
LMArena Expert13381286
GPQA Diamond65.8%—
SimpleQA Verified12.7%—
MMLU-Pro78.3%—
GPQA (HELM)61.4%—

Multimodal Not comparable

GPT-4.1 mini: 35.8 (#82), Yi-Lightning: —

BenchmarkGPT-4.1 miniYi-Lightning
LMArena Vision1181—

Multilingual GPT-4.1 mini leads

GPT-4.1 mini: 45.7 (#166), Yi-Lightning: 42.2 (#196)

BenchmarkGPT-4.1 miniYi-Lightning
LMArena Non-English13181269
LMArena Chinese13291320
LMArena French13581305
LMArena German13511267
LMArena Japanese12901228
LMArena Korean12981192
LMArena Russian13241255
LMArena Spanish13191315

Instruction Following GPT-4.1 mini leads

GPT-4.1 mini: 73.7 (#118), Yi-Lightning: 67.4 (#196)

BenchmarkGPT-4.1 miniYi-Lightning
LMArena Instruction Following13331278
IFEval90.4%—

Long Context Yi-Lightning leads

GPT-4.1 mini: 31.8 (#275), Yi-Lightning: 39.4 (#181)

BenchmarkGPT-4.1 miniYi-Lightning
LMArena Longer Query13441297
Fiction.LiveBench44.4%—

Writing & Preference Yi-Lightning leads

GPT-4.1 mini: 48.6 (#199), Yi-Lightning: 50.2 (#184)

BenchmarkGPT-4.1 miniYi-Lightning
LMArena Text13401302
LMArena Creative Writing13001280
LMArena Multi-Turn13541311
EQ-Bench Creative Writing1147—
WildBench83.8%—

Frequently asked questions

Is GPT-4.1 mini better than Yi-Lightning?

Yi-Lightning is the stronger model overall, scoring 37.1 to 33.6 on the Noometry Index.

Is GPT-4.1 mini or Yi-Lightning better for coding?

GPT-4.1 mini scores higher on coding benchmarks: 30.6 versus 27.4 in the Noometry coding category.

How many benchmarks do GPT-4.1 mini and Yi-Lightning share?

18 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and Yi-Lightning has 18.

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