Model comparison

Gemini 1.5 Flash 8B vs GPT-4o

Gemini 1.5 Flash 8B is the stronger model overall, scoring 29.7 to 28.5 on the Noometry Index.

Last verified . 21 shared benchmarks.

Gemini 1.5 Flash 8B Google

29.7

Rank #292 Confirmed

GPT-4o OpenAI

28.5

Rank #316 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 3 categories and GPT-4o in 6 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-4o leads 28.8 to 16.0.
  • The biggest single-benchmark swing is GPQA Diamond: 33% for Gemini 1.5 Flash 8B and 49.2% for GPT-4o.

Side by side

Gemini 1.5 Flash 8B and GPT-4o specifications
Gemini 1.5 Flash 8BGPT-4o
ProviderGoogleOpenAI
Noometry Index29.728.5
Released2024-10-032024-05-13
WeightsProprietaryProprietary
Context window—128K
Max output—16K
Input $ / M tokens—$2.50
Output $ / M tokens—$10
Results tracked2172

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Category by category

Coding Gemini 1.5 Flash 8B leads

Gemini 1.5 Flash 8B: 34.9 (#221), GPT-4o: 25.1 (#323)

Coding benchmarks
BenchmarkGemini 1.5 Flash 8BGPT-4o
LMArena Coding12181297
SWE-bench Verified—31%
SWE-bench Verified (bash only)—21.6%
Aider Polyglot—45.3%
GSO—0%
WeirdML—25.1%
BigCodeBench Instruct—51.1%
LiveBench Coding—51.4%
BigCodeBench Complete—61.1%
CadEval—26%
HumanEval+—87.2%
MBPP+—72.2%

Agentic & Tool Use Not comparable

Gemini 1.5 Flash 8B: —, GPT-4o: 20.8 (#133)

Agentic & Tool Use benchmarks
BenchmarkGemini 1.5 Flash 8BGPT-4o
GDPval—9.9%
TheAgentCompany—8.6%
Cybench—12.5%
BALROG—32.3%
LMArena Search—1006
METR Time Horizons—40.8%

Reasoning Gemini 1.5 Flash 8B leads

Gemini 1.5 Flash 8B: 19.2 (#242), GPT-4o: 9.4 (#338)

Reasoning benchmarks
BenchmarkGemini 1.5 Flash 8BGPT-4o
LMArena Hard Prompts12101281
DTBench50%64.5%
ARC-AGI-2—0%
SimpleBench—17.8%
ARC-AGI-1—4.5%
CritPt—0%
Chess Puzzles—13%
EnigmaEval—0.8%
LiveBench Reasoning—55.8%
LiveBench Data Analysis—60.9%
LMCA—16.6%
Epoch Capabilities Index—128.97
ForecastBench—57.7
LiveBench—55.3%

Math Gemini 1.5 Flash 8B leads

Gemini 1.5 Flash 8B: 13.3 (#296), GPT-4o: 10.2 (#303)

Math benchmarks
BenchmarkGemini 1.5 Flash 8BGPT-4o
OTIS Mock AIME 2024-20254.6%6.4%
LMArena Math12071285
FrontierMath (Tiers 1-3)—0.4%
Omni-MATH—29.3%
LiveBench Math—49.5%
MATH Level 5—53.3%
FrontierMath (Feb 2025 set)—0.3%

Knowledge GPT-4o leads

Gemini 1.5 Flash 8B: 16.0 (#285), GPT-4o: 28.8 (#235)

Knowledge benchmarks
BenchmarkGemini 1.5 Flash 8BGPT-4o
GPQA Diamond33%49.2%
LMArena Expert11851250
Humanity's Last Exam—2.7%
SimpleQA Verified—26%
MMLU-Pro—71.3%
Confabulations—15.3%
Vectara Hallucination Rate—9.6%
GPQA (HELM)—52%
MMLU—88.1%

Multimodal GPT-4o leads

Gemini 1.5 Flash 8B: 27.6 (#110), GPT-4o: 33.9 (#85)

Multimodal benchmarks
BenchmarkGemini 1.5 Flash 8BGPT-4o
LMArena Vision10441137
Video-MME—71.9%
GeoBench—71%
VPCT—40%
ScienceQA—88.5%

Multilingual GPT-4o leads

Gemini 1.5 Flash 8B: 38.6 (#224), GPT-4o: 43.4 (#181)

Multilingual benchmarks
BenchmarkGemini 1.5 Flash 8BGPT-4o
LMArena Non-English12151283
LMArena Chinese12311277
LMArena French12331303
LMArena German12061282
LMArena Japanese11501257
LMArena Korean11401234
LMArena Russian12361286
LMArena Spanish12121292

Instruction Following GPT-4o leads

Gemini 1.5 Flash 8B: 63.1 (#231), GPT-4o: 66.8 (#202)

Instruction Following benchmarks
BenchmarkGemini 1.5 Flash 8BGPT-4o
LMArena Instruction Following11991278
LiveBench Instruction Following—68.6%
IFEval—81.7%

Long Context GPT-4o leads

Gemini 1.5 Flash 8B: 36.9 (#220), GPT-4o: 39.4 (#174)

Long Context benchmarks
BenchmarkGemini 1.5 Flash 8BGPT-4o
LMArena Longer Query12191289
Fiction.LiveBench—66.7%

Writing & Preference GPT-4o leads

Gemini 1.5 Flash 8B: 43.0 (#227), GPT-4o: 52.8 (#160)

Writing & Preference benchmarks
BenchmarkGemini 1.5 Flash 8BGPT-4o
LMArena Text12261300
LMArena Creative Writing12181291
LMArena Multi-Turn11851302
Short-Story Creative Writing—81.8%
WildBench—82.8%
LiveBench Language—47.6%

Frequently asked questions

Is Gemini 1.5 Flash 8B better than GPT-4o?

Gemini 1.5 Flash 8B is the stronger model overall, scoring 29.7 to 28.5 on the Noometry Index.

Is Gemini 1.5 Flash 8B or GPT-4o better for coding?

Gemini 1.5 Flash 8B scores higher on coding benchmarks: 34.9 versus 25.1 in the Noometry coding category.

How many benchmarks do Gemini 1.5 Flash 8B and GPT-4o share?

21 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and GPT-4o has 72.

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