Model comparison

Gemini 2.0 Flash (Feb 2025) vs GPT-4.5

GPT-4.5 is the stronger model overall, scoring 36.9 to 34.8 on the Noometry Index.

Last verified . 38 shared benchmarks.

Gemini 2.0 Flash (Feb 2025) Google

34.8

Rank #223 Confirmed

GPT-4.5 OpenAI

36.9

Rank #200 Confirmed

Summary

  • They share 38 benchmarks with published results for both. Gemini 2.0 Flash (Feb 2025) scores higher in 4 categories and GPT-4.5 in 6 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in coding, where GPT-4.5 leads 41.8 to 28.2.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 57.8% for Gemini 2.0 Flash (Feb 2025) and 37.8% for GPT-4.5.

Side by side

Gemini 2.0 Flash (Feb 2025) and GPT-4.5 specifications
Gemini 2.0 Flash (Feb 2025)GPT-4.5
ProviderGoogleOpenAI
Noometry Index34.836.9
Released2024-12-062025-02-27
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked5442

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Category by category

Coding GPT-4.5 leads

Gemini 2.0 Flash (Feb 2025): 28.2 (#308), GPT-4.5: 41.8 (#102)

Coding benchmarks
BenchmarkGemini 2.0 Flash (Feb 2025)GPT-4.5
Aider Polyglot38.2%44.9%
WeirdML25.8%39.4%
LiveBench Coding63.4%75.2%
LMArena Coding13511397
SWE-bench Verified (bash only)13.5%—
BigCodeBench Instruct45.9%—
BigCodeBench Complete59.9%—
CadEval30%—

Agentic & Tool Use Too close to call

Gemini 2.0 Flash (Feb 2025): 28.0 (#85), GPT-4.5: 27.6 (#92)

Agentic & Tool Use benchmarks
BenchmarkGemini 2.0 Flash (Feb 2025)GPT-4.5
TheAgentCompany11.4%—
Cybench—17.5%

Reasoning Gemini 2.0 Flash (Feb 2025) leads

Gemini 2.0 Flash (Feb 2025): 15.2 (#308), GPT-4.5: 14.1 (#320)

Reasoning benchmarks
BenchmarkGemini 2.0 Flash (Feb 2025)GPT-4.5
ARC-AGI-21.3%0.8%
SimpleBench31.1%34.5%
EnigmaEval1.1%3.2%
LiveBench Reasoning78.2%71.1%
LMArena Hard Prompts13461404
LiveBench Data Analysis69.4%64.3%
Epoch Capabilities Index135.36136.74
LiveBench66.9%69%
Kagi LLM Benchmark37.8%—
ARC-AGI-1—10.3%
DTBench63.2%—
ForecastBench—61.7

Math Gemini 2.0 Flash (Feb 2025) leads

Gemini 2.0 Flash (Feb 2025): 36.1 (#127), GPT-4.5: 31.0 (#200)

Math benchmarks
BenchmarkGemini 2.0 Flash (Feb 2025)GPT-4.5
OTIS Mock AIME 2024-202557.8%37.8%
LiveBench Math75.8%69.3%
LMArena Math13511412
MATH Level 582.2%78.6%
Omni-MATH45.9%—
FrontierMath (Feb 2025 set)1.7%—

Knowledge Too close to call

Gemini 2.0 Flash (Feb 2025): 32.0 (#207), GPT-4.5: 32.4 (#205)

Knowledge benchmarks
BenchmarkGemini 2.0 Flash (Feb 2025)GPT-4.5
GPQA Diamond64.1%68.7%
Humanity's Last Exam6.6%5.4%
Confabulations12.4%13.6%
LMArena Expert13401394
MMLU-Pro73.7%—
GPQA (HELM)55.6%—
MMLU79.7%—

Multimodal GPT-4.5 leads

Gemini 2.0 Flash (Feb 2025): 35.9 (#74), GPT-4.5: 37.0 (#68)

Multimodal benchmarks
BenchmarkGemini 2.0 Flash (Feb 2025)GPT-4.5
LMArena Vision11581195
GeoBench77%—
VPCT—45%

Multilingual GPT-4.5 leads

Gemini 2.0 Flash (Feb 2025): 47.6 (#144), GPT-4.5: 52.7 (#78)

Multilingual benchmarks
BenchmarkGemini 2.0 Flash (Feb 2025)GPT-4.5
LMArena Non-English13421413
LMArena Chinese13731421
LMArena French13901417
LMArena German13541457
LMArena Japanese12931416
LMArena Korean13141392
LMArena Russian13511419
LMArena Spanish1363—

Instruction Following Gemini 2.0 Flash (Feb 2025) leads

Gemini 2.0 Flash (Feb 2025): 74.6 (#91), GPT-4.5: 72.8 (#129)

Instruction Following benchmarks
BenchmarkGemini 2.0 Flash (Feb 2025)GPT-4.5
LiveBench Instruction Following85.8%72.3%
LMArena Instruction Following13361404
IFEval84.1%—

Long Context GPT-4.5 leads

Gemini 2.0 Flash (Feb 2025): 38.1 (#198), GPT-4.5: 40.4 (#150)

Long Context benchmarks
BenchmarkGemini 2.0 Flash (Feb 2025)GPT-4.5
Fiction.LiveBench61.1%63.9%
LMArena Longer Query13451406

Writing & Preference GPT-4.5 leads

Gemini 2.0 Flash (Feb 2025): 49.8 (#184), GPT-4.5: 57.1 (#129)

Writing & Preference benchmarks
BenchmarkGemini 2.0 Flash (Feb 2025)GPT-4.5
LMArena Text13541417
LMArena Creative Writing13401394
Short-Story Creative Writing73.8%75.6%
EQ-Bench Creative Writing11281258
LMArena Multi-Turn13501444
LiveBench Language51.3%61.5%
WildBench80%—

Frequently asked questions

Is Gemini 2.0 Flash (Feb 2025) better than GPT-4.5?

GPT-4.5 is the stronger model overall, scoring 36.9 to 34.8 on the Noometry Index.

Is Gemini 2.0 Flash (Feb 2025) or GPT-4.5 better for coding?

GPT-4.5 scores higher on coding benchmarks: 41.8 versus 28.2 in the Noometry coding category.

How many benchmarks do Gemini 2.0 Flash (Feb 2025) and GPT-4.5 share?

38 benchmarks have published results for both models. Gemini 2.0 Flash (Feb 2025) has 54 scored results on Noometry and GPT-4.5 has 42.

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