Noometry

Model comparison

GPT-4.1 vs Longcat Flash Chat

Longcat Flash Chat is the stronger model overall, scoring 42.1 to 35.9 on the Noometry Index.

Last verified . 18 shared benchmarks.

GPT-4.1 OpenAI

35.9

Rank #219 Confirmed

Longcat Flash Chat Meituan

42.1

Rank #120 Confirmed

Summary

  • They share 18 benchmarks with published results for both. GPT-4.1 scores higher in 0 categories and Longcat Flash Chat in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Longcat Flash Chat leads 39.4 to 22.3.
  • The biggest single-benchmark swing is Kagi LLM Benchmark: 52.3% for GPT-4.1 and 43.9% for Longcat Flash Chat.
  • Longcat Flash Chat has downloadable open weights; the other is API-only.

Side by side

GPT-4.1Longcat Flash Chat
ProviderOpenAIMeituan
Noometry Index35.942.1
Released2025-04-14—
WeightsProprietaryOpen
Context window1.05M—
Max output33K—
Input $ / M tokens$2—
Output $ / M tokens$8—
Results tracked5219

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Longcat Flash Chat leads

GPT-4.1: 34.4 (#238), Longcat Flash Chat: 43.5 (#87)

BenchmarkGPT-4.1Longcat Flash Chat
LMArena Coding13911471
SWE-bench Verified48.5%—
SWE-bench Verified (bash only)39.6%—
Aider Polyglot52.4%—
WeirdML39%—
CadEval42%—
ALE-Bench558.1—

Agentic & Tool Use Not comparable

GPT-4.1: 34.7 (#43), Longcat Flash Chat: —

BenchmarkGPT-4.1Longcat Flash Chat
Berkeley Function Calling Leaderboard54%—

Reasoning Longcat Flash Chat leads

GPT-4.1: 11.7 (#339), Longcat Flash Chat: 19.0 (#272)

BenchmarkGPT-4.1Longcat Flash Chat
Kagi LLM Benchmark52.3%43.9%
LMArena Hard Prompts13841440
ARC-AGI-20.4%—
SimpleBench27%—
NYT Connections (extended)—17.7%
ARC-AGI-15.5%—
Chess Puzzles6%—
EnigmaEval2.2%—
DTBench68.3%—
LMCA25.6%—
Epoch Capabilities Index136.78—
ForecastBench61.5—

Math Longcat Flash Chat leads

GPT-4.1: 22.3 (#280), Longcat Flash Chat: 39.4 (#107)

BenchmarkGPT-4.1Longcat Flash Chat
LMArena Math13701442
FrontierMath (Tiers 1-3)6%—
OTIS Mock AIME 2024-202538.3%—
Omni-MATH47.1%—
MATH Level 583%—
FrontierMath (Feb 2025 set)5.5%—
FrontierMath Tier 4 (v1)0%—

Knowledge Longcat Flash Chat leads

GPT-4.1: 37.1 (#160), Longcat Flash Chat: 40.6 (#116)

BenchmarkGPT-4.1Longcat Flash Chat
LMArena Expert13641454
GPQA Diamond66.9%—
Humanity's Last Exam5.4%—
SimpleQA Verified31.1%—
MMLU-Pro81.1%—
Vectara Hallucination Rate5.6%—
GPQA (HELM)65.9%—

Multimodal Not comparable

GPT-4.1: 38.2 (#67), Longcat Flash Chat: —

BenchmarkGPT-4.1Longcat Flash Chat
LMArena Vision1211—
GeoBench72%—

Multilingual Longcat Flash Chat leads

GPT-4.1: 49.4 (#133), Longcat Flash Chat: 51.9 (#101)

BenchmarkGPT-4.1Longcat Flash Chat
LMArena Non-English13701404
LMArena Chinese13821465
LMArena French13821456
LMArena German13811408
LMArena Japanese13191373
LMArena Korean13391371
LMArena Russian13771395
LMArena Spanish13761445

Instruction Following Longcat Flash Chat leads

GPT-4.1: 71.3 (#153), Longcat Flash Chat: 74.4 (#96)

BenchmarkGPT-4.1Longcat Flash Chat
LMArena Instruction Following13671411
IFEval83.8%—

Long Context Longcat Flash Chat leads

GPT-4.1: 40.0 (#163), Longcat Flash Chat: 43.5 (#93)

BenchmarkGPT-4.1Longcat Flash Chat
LMArena Longer Query13851425
Fiction.LiveBench63.9%—

Writing & Preference Longcat Flash Chat leads

GPT-4.1: 57.6 (#125), Longcat Flash Chat: 61.0 (#91)

BenchmarkGPT-4.1Longcat Flash Chat
LMArena Text13831427
LMArena Creative Writing13631388
LMArena Multi-Turn13981418
EQ-Bench Creative Writing1420—
WildBench85.4%—

Frequently asked questions

Is GPT-4.1 better than Longcat Flash Chat?

Longcat Flash Chat is the stronger model overall, scoring 42.1 to 35.9 on the Noometry Index.

Is GPT-4.1 or Longcat Flash Chat better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 34.4 in the Noometry coding category.

How many benchmarks do GPT-4.1 and Longcat Flash Chat share?

18 benchmarks have published results for both models. GPT-4.1 has 52 scored results on Noometry and Longcat Flash Chat has 19.

Related comparisons

Go deeper