Noometry

Model comparison

Gemini 2.5 Flash-Lite vs GPT-4.1

Gemini 2.5 Flash-Lite is the stronger model overall, scoring 37.0 to 35.9 on the Noometry Index.

Last verified . 32 shared benchmarks.

Gemini 2.5 Flash-Lite Google

37.0

Rank #211 Confirmed

GPT-4.1 OpenAI

35.9

Rank #219 Confirmed

Summary

  • They share 32 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 3 categories and GPT-4.1 in 7 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 2.5 Flash-Lite leads 38.0 to 22.3.
  • The biggest single-benchmark swing is GPQA (HELM): 30.9% for Gemini 2.5 Flash-Lite and 65.9% for GPT-4.1.
  • Gemini 2.5 Flash-Lite is cheaper at $0.10 / $0.40 per million input/output tokens, against $2 / $8 for GPT-4.1.
  • Gemini 2.5 Flash-Lite accepts more context: 1.05M tokens versus 1.05M.

Side by side

Gemini 2.5 Flash-LiteGPT-4.1
ProviderGoogleOpenAI
Noometry Index37.035.9
Released2025-06-172025-04-14
WeightsProprietaryProprietary
Context window1.05M1.05M
Max output66K33K
Input $ / M tokens$0.10$2
Output $ / M tokens$0.40$8
Results tracked3352

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Category by category

Coding Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 38.5 (#173), GPT-4.1: 34.4 (#238)

BenchmarkGemini 2.5 Flash-LiteGPT-4.1
WeirdML35.2%39%
LMArena Coding13731391
ALE-Bench325.9558.1
SWE-bench Verified—48.5%
SWE-bench Verified (bash only)—39.6%
Aider Polyglot—52.4%
CadEval—42%

Agentic & Tool Use GPT-4.1 leads

Gemini 2.5 Flash-Lite: 28.0 (#96), GPT-4.1: 34.7 (#43)

BenchmarkGemini 2.5 Flash-LiteGPT-4.1
Berkeley Function Calling Leaderboard36.9%54%

Reasoning Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 22.2 (#205), GPT-4.1: 11.7 (#339)

BenchmarkGemini 2.5 Flash-LiteGPT-4.1
Kagi LLM Benchmark40.5%52.3%
LMArena Hard Prompts13771384
DTBench62.8%68.3%
LMCA18.1%25.6%
Epoch Capabilities Index133.94136.78
ARC-AGI-2—0.4%
SimpleBench—27%
ARC-AGI-1—5.5%
Chess Puzzles—6%
EnigmaEval—2.2%
ForecastBench—61.5

Math Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 38.0 (#144), GPT-4.1: 22.3 (#280)

BenchmarkGemini 2.5 Flash-LiteGPT-4.1
Omni-MATH48%47.1%
LMArena Math13731370
FrontierMath (Tiers 1-3)—6%
OTIS Mock AIME 2024-2025—38.3%
MATH Level 5—83%
FrontierMath (Feb 2025 set)—5.5%
FrontierMath Tier 4 (v1)—0%

Knowledge GPT-4.1 leads

Gemini 2.5 Flash-Lite: 32.5 (#210), GPT-4.1: 37.1 (#160)

BenchmarkGemini 2.5 Flash-LiteGPT-4.1
MMLU-Pro53.7%81.1%
Vectara Hallucination Rate3.3%5.6%
GPQA (HELM)30.9%65.9%
LMArena Expert13731364
GPQA Diamond—66.9%
Humanity's Last Exam—5.4%
SimpleQA Verified—31.1%

Multimodal GPT-4.1 leads

Gemini 2.5 Flash-Lite: 29.1 (#114), GPT-4.1: 38.2 (#67)

BenchmarkGemini 2.5 Flash-LiteGPT-4.1
LMArena Vision11981211
GeoBench—72%
VPCT30%—

Multilingual Too close to call

Gemini 2.5 Flash-Lite: 49.3 (#134), GPT-4.1: 49.4 (#133)

BenchmarkGemini 2.5 Flash-LiteGPT-4.1
LMArena Non-English13691370
LMArena Chinese14041382
LMArena French13881382
LMArena German13891381
LMArena Japanese13591319
LMArena Korean13601339
LMArena Russian13731377
LMArena Spanish13961376

Instruction Following GPT-4.1 leads

Gemini 2.5 Flash-Lite: 70.0 (#168), GPT-4.1: 71.3 (#153)

BenchmarkGemini 2.5 Flash-LiteGPT-4.1
IFEval81%83.8%
LMArena Instruction Following13671367

Long Context GPT-4.1 leads

Gemini 2.5 Flash-Lite: 33.3 (#262), GPT-4.1: 40.0 (#163)

BenchmarkGemini 2.5 Flash-LiteGPT-4.1
Fiction.LiveBench47.2%63.9%
LMArena Longer Query13731385

Writing & Preference Too close to call

Gemini 2.5 Flash-Lite: 56.8 (#135), GPT-4.1: 57.6 (#125)

BenchmarkGemini 2.5 Flash-LiteGPT-4.1
LMArena Text13791383
LMArena Creative Writing13671363
WildBench81.8%85.4%
LMArena Multi-Turn13661398
EQ-Bench Creative Writing—1420

Frequently asked questions

Is Gemini 2.5 Flash-Lite better than GPT-4.1?

Gemini 2.5 Flash-Lite is the stronger model overall, scoring 37.0 to 35.9 on the Noometry Index.

Which is cheaper, Gemini 2.5 Flash-Lite or GPT-4.1?

Gemini 2.5 Flash-Lite is cheaper. It lists at $0.10 per million input tokens and $0.40 per million output tokens; GPT-4.1 lists at $2 and $8.

Is Gemini 2.5 Flash-Lite or GPT-4.1 better for coding?

Gemini 2.5 Flash-Lite scores higher on coding benchmarks: 38.5 versus 34.4 in the Noometry coding category.

Which has the bigger context window?

Gemini 2.5 Flash-Lite does, with 1.05M tokens against 1.05M.

How many benchmarks do Gemini 2.5 Flash-Lite and GPT-4.1 share?

32 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and GPT-4.1 has 52.

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