Model comparison

Gemini 1.5 Pro (May 2024) vs Gemini 2.0 Flash (Feb 2025)

Gemini 2.0 Flash (Feb 2025) is the stronger model overall, scoring 35.1 to 32.1 on the Noometry Index.

Last verified . 38 shared benchmarks.

Gemini 1.5 Pro (May 2024) Google

32.1

Rank #261 Confirmed

Gemini 2.0 Flash (Feb 2025) Google

35.1

Rank #228 Confirmed

Summary

  • They share 38 benchmarks with published results for both. Gemini 1.5 Pro (May 2024) scores higher in 4 categories and Gemini 2.0 Flash (Feb 2025) in 6 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 2.0 Flash (Feb 2025) leads 37.9 to 25.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 23.1% for Gemini 1.5 Pro (May 2024) and 57.8% for Gemini 2.0 Flash (Feb 2025).

Side by side

Gemini 1.5 Pro (May 2024) and Gemini 2.0 Flash (Feb 2025) specifications
Gemini 1.5 Pro (May 2024)Gemini 2.0 Flash (Feb 2025)
ProviderGoogleGoogle
Noometry Index32.135.1
Released2024-02-152024-12-06
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked4554

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Category by category

Coding Gemini 1.5 Pro (May 2024) leads

Gemini 1.5 Pro (May 2024): 34.2 (#241), Gemini 2.0 Flash (Feb 2025): 28.4 (#315)

Coding benchmarks
BenchmarkGemini 1.5 Pro (May 2024)Gemini 2.0 Flash (Feb 2025)
WeirdML22.2%25.8%
BigCodeBench Instruct43.8%45.9%
LMArena Coding12941350
BigCodeBench Complete57.5%59.9%
CadEval34%30%
SWE-bench Verified (bash only)—13.5%
Aider Polyglot—38.2%
LiveBench Coding—63.4%
HumanEval+79.3%—
MBPP+74.6%—

Agentic & Tool Use Gemini 2.0 Flash (Feb 2025) leads

Gemini 1.5 Pro (May 2024): 17.9 (#145), Gemini 2.0 Flash (Feb 2025): 28.1 (#92)

Agentic & Tool Use benchmarks
BenchmarkGemini 1.5 Pro (May 2024)Gemini 2.0 Flash (Feb 2025)
TheAgentCompany3.4%11.4%
Cybench7.5%—
BALROG21%—

Reasoning Gemini 2.0 Flash (Feb 2025) leads

Gemini 1.5 Pro (May 2024): 12.3 (#338), Gemini 2.0 Flash (Feb 2025): 15.2 (#318)

Reasoning benchmarks
BenchmarkGemini 1.5 Pro (May 2024)Gemini 2.0 Flash (Feb 2025)
ARC-AGI-20.8%1.3%
SimpleBench27.1%31.1%
LMArena Hard Prompts12961346
DTBench59%63.2%
Epoch Capabilities Index131.73135.36
Kagi LLM Benchmark—37.8%
EnigmaEval—1.1%
LiveBench Reasoning—78.2%
LiveBench Data Analysis—69.4%
BIG-Bench Hard89.2%—
ForecastBench58.4—
LiveBench—66.9%

Math Gemini 2.0 Flash (Feb 2025) leads

Gemini 1.5 Pro (May 2024): 25.8 (#266), Gemini 2.0 Flash (Feb 2025): 37.9 (#146)

Math benchmarks
BenchmarkGemini 1.5 Pro (May 2024)Gemini 2.0 Flash (Feb 2025)
OTIS Mock AIME 2024-202523.1%57.8%
Omni-MATH36.4%45.9%
LMArena Math13151352
MATH Level 570.4%82.2%
LiveBench Math—75.8%
FrontierMath (Feb 2025 set)—1.7%

Knowledge Gemini 2.0 Flash (Feb 2025) leads

Gemini 1.5 Pro (May 2024): 29.4 (#239), Gemini 2.0 Flash (Feb 2025): 32.0 (#213)

Knowledge benchmarks
BenchmarkGemini 1.5 Pro (May 2024)Gemini 2.0 Flash (Feb 2025)
GPQA Diamond57.2%64.1%
Humanity's Last Exam4.6%6.6%
MMLU-Pro73.7%73.7%
Confabulations13.5%12.4%
GPQA (HELM)53.4%55.6%
LMArena Expert12791339
MMLU86.9%79.7%

Multimodal Too close to call

Gemini 1.5 Pro (May 2024): 36.8 (#77), Gemini 2.0 Flash (Feb 2025): 36.5 (#79)

Multimodal benchmarks
BenchmarkGemini 1.5 Pro (May 2024)Gemini 2.0 Flash (Feb 2025)
LMArena Vision11611158
Video-MME75%—
GeoBench—77%

Multilingual Gemini 2.0 Flash (Feb 2025) leads

Gemini 1.5 Pro (May 2024): 45.3 (#174), Gemini 2.0 Flash (Feb 2025): 47.4 (#149)

Multilingual benchmarks
BenchmarkGemini 1.5 Pro (May 2024)Gemini 2.0 Flash (Feb 2025)
LMArena Non-English13121342
LMArena Chinese13311373
LMArena French13021391
LMArena German12861353
LMArena Japanese12921294
LMArena Korean12981313
LMArena Russian13201351
LMArena Spanish13111363

Instruction Following Gemini 2.0 Flash (Feb 2025) leads

Gemini 1.5 Pro (May 2024): 68.6 (#185), Gemini 2.0 Flash (Feb 2025): 74.4 (#97)

Instruction Following benchmarks
BenchmarkGemini 1.5 Pro (May 2024)Gemini 2.0 Flash (Feb 2025)
IFEval83.7%84.1%
LMArena Instruction Following12971336
LiveBench Instruction Following—85.8%

Long Context Gemini 1.5 Pro (May 2024) leads

Gemini 1.5 Pro (May 2024): 39.8 (#169), Gemini 2.0 Flash (Feb 2025): 38.1 (#203)

Long Context benchmarks
BenchmarkGemini 1.5 Pro (May 2024)Gemini 2.0 Flash (Feb 2025)
LMArena Longer Query13081344
Fiction.LiveBench—61.1%

Writing & Preference Gemini 1.5 Pro (May 2024) leads

Gemini 1.5 Pro (May 2024): 52.4 (#172), Gemini 2.0 Flash (Feb 2025): 49.5 (#190)

Writing & Preference benchmarks
BenchmarkGemini 1.5 Pro (May 2024)Gemini 2.0 Flash (Feb 2025)
LMArena Text13191354
LMArena Creative Writing13331340
WildBench81.3%80%
LMArena Multi-Turn12961350
Short-Story Creative Writing—73.8%
EQ-Bench Creative Writing—1128
LiveBench Language—51.3%

Frequently asked questions

Is Gemini 1.5 Pro (May 2024) better than Gemini 2.0 Flash (Feb 2025)?

Gemini 2.0 Flash (Feb 2025) is the stronger model overall, scoring 35.1 to 32.1 on the Noometry Index.

Is Gemini 1.5 Pro (May 2024) or Gemini 2.0 Flash (Feb 2025) better for coding?

Gemini 1.5 Pro (May 2024) scores higher on coding benchmarks: 34.2 versus 28.4 in the Noometry coding category.

How many benchmarks do Gemini 1.5 Pro (May 2024) and Gemini 2.0 Flash (Feb 2025) share?

38 benchmarks have published results for both models. Gemini 1.5 Pro (May 2024) has 45 scored results on Noometry and Gemini 2.0 Flash (Feb 2025) has 54.

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