Noometry

Model comparison

Gemini 2.0 Flash-Lite vs GPT-4.5

Gemini 2.0 Flash-Lite and GPT-4.5 score almost the same on the Noometry Index (37.3 vs 36.9), so choose on price, context window or the category you care about most.

Last verified . 25 shared benchmarks.

Gemini 2.0 Flash-Lite Google

37.3

Rank #189 Confirmed

GPT-4.5 OpenAI

36.9

Rank #200 Confirmed

Summary

  • They share 25 benchmarks with published results for both. Gemini 2.0 Flash-Lite scores higher in 3 categories and GPT-4.5 in 6 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 2.0 Flash-Lite leads 21.2 to 14.1.
  • The biggest single-benchmark swing is LiveBench Coding: 47.1% for Gemini 2.0 Flash-Lite and 75.2% for GPT-4.5.

Side by side

Gemini 2.0 Flash-LiteGPT-4.5
ProviderGoogleOpenAI
Noometry Index37.336.9
Released2025-02-052025-02-27
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked3242

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Category by category

Coding GPT-4.5 leads

Gemini 2.0 Flash-Lite: 37.4 (#181), GPT-4.5: 41.8 (#102)

BenchmarkGemini 2.0 Flash-LiteGPT-4.5
LiveBench Coding47.1%75.2%
LMArena Coding13221397
Aider Polyglot—44.9%
WeirdML—39.4%

Agentic & Tool Use Not comparable

Gemini 2.0 Flash-Lite: —, GPT-4.5: 27.6 (#92)

BenchmarkGemini 2.0 Flash-LiteGPT-4.5
Cybench—17.5%

Reasoning Gemini 2.0 Flash-Lite leads

Gemini 2.0 Flash-Lite: 21.2 (#203), GPT-4.5: 14.1 (#320)

BenchmarkGemini 2.0 Flash-LiteGPT-4.5
LiveBench Reasoning50.1%71.1%
LMArena Hard Prompts13241404
LiveBench Data Analysis65.5%64.3%
ForecastBench57.161.7
LiveBench54.3%69%
ARC-AGI-2—0.8%
SimpleBench—34.5%
ARC-AGI-1—10.3%
EnigmaEval—3.2%
DTBench52.5%—
Epoch Capabilities Index—136.74

Math Too close to call

Gemini 2.0 Flash-Lite: 31.8 (#192), GPT-4.5: 31.0 (#200)

BenchmarkGemini 2.0 Flash-LiteGPT-4.5
LiveBench Math58.1%69.3%
LMArena Math13091412
OTIS Mock AIME 2024-2025—37.8%
Omni-MATH37.4%—
MATH Level 5—78.6%

Knowledge Gemini 2.0 Flash-Lite leads

Gemini 2.0 Flash-Lite: 34.6 (#185), GPT-4.5: 32.4 (#205)

BenchmarkGemini 2.0 Flash-LiteGPT-4.5
LMArena Expert13051394
GPQA Diamond—68.7%
Humanity's Last Exam—5.4%
MMLU-Pro72%—
Confabulations—13.6%
GPQA (HELM)50%—

Multimodal GPT-4.5 leads

Gemini 2.0 Flash-Lite: 30.6 (#103), GPT-4.5: 37.0 (#68)

BenchmarkGemini 2.0 Flash-LiteGPT-4.5
LMArena Vision11001195
VPCT—45%

Multilingual GPT-4.5 leads

Gemini 2.0 Flash-Lite: 46.2 (#156), GPT-4.5: 52.7 (#78)

BenchmarkGemini 2.0 Flash-LiteGPT-4.5
LMArena Non-English13231413
LMArena Chinese13391421
LMArena French13461417
LMArena German13061457
LMArena Japanese13021416
LMArena Korean13251392
LMArena Russian13281419
LMArena Spanish1313—

Instruction Following GPT-4.5 leads

Gemini 2.0 Flash-Lite: 70.6 (#158), GPT-4.5: 72.8 (#129)

BenchmarkGemini 2.0 Flash-LiteGPT-4.5
LiveBench Instruction Following78.3%72.3%
LMArena Instruction Following13051404
IFEval82.4%—

Long Context Too close to call

Gemini 2.0 Flash-Lite: 40.1 (#155), GPT-4.5: 40.4 (#150)

BenchmarkGemini 2.0 Flash-LiteGPT-4.5
LMArena Longer Query13211406
Fiction.LiveBench—63.9%

Writing & Preference GPT-4.5 leads

Gemini 2.0 Flash-Lite: 51.9 (#172), GPT-4.5: 57.1 (#129)

BenchmarkGemini 2.0 Flash-LiteGPT-4.5
LMArena Text13301417
LMArena Creative Writing13191394
LMArena Multi-Turn13071444
LiveBench Language34.3%61.5%
Short-Story Creative Writing—75.6%
EQ-Bench Creative Writing—1258
WildBench79%—

Frequently asked questions

Is Gemini 2.0 Flash-Lite better than GPT-4.5?

Gemini 2.0 Flash-Lite and GPT-4.5 score almost the same on the Noometry Index (37.3 vs 36.9), so choose on price, context window or the category you care about most.

Is Gemini 2.0 Flash-Lite or GPT-4.5 better for coding?

GPT-4.5 scores higher on coding benchmarks: 41.8 versus 37.4 in the Noometry coding category.

How many benchmarks do Gemini 2.0 Flash-Lite and GPT-4.5 share?

25 benchmarks have published results for both models. Gemini 2.0 Flash-Lite has 32 scored results on Noometry and GPT-4.5 has 42.

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