Noometry

Model comparison

Gemini 1.5 Flash 8B vs o4-mini

o4-mini is the stronger model overall, scoring 41.6 to 29.9 on the Noometry Index.

Last verified . 21 shared benchmarks.

Gemini 1.5 Flash 8B Google

29.9

Rank #301 Confirmed

o4-mini OpenAI

41.6

Rank #132 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 0 categories and o4-mini in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where o4-mini leads 43.6 to 16.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.6% for Gemini 1.5 Flash 8B and 81.7% for o4-mini.

Side by side

Gemini 1.5 Flash 8Bo4-mini
ProviderGoogleOpenAI
Noometry Index29.941.6
Released2024-10-032025-04-16
WeightsProprietaryProprietary
Context window—200K
Max output—100K
Input $ / M tokens—$1.10
Output $ / M tokens—$4.40
Results tracked2160

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Category by category

Coding o4-mini leads

Gemini 1.5 Flash 8B: 35.5 (#225), o4-mini: 40.9 (#127)

BenchmarkGemini 1.5 Flash 8Bo4-mini
LMArena Coding12181368
SWE-bench Verified (bash only)—45%
Aider Polyglot—72%
GSO—3.6%
WeirdML—52.6%
CadEval—62%
ALE-Bench—826.17
AlgoTune—1.72

Agentic & Tool Use Not comparable

Gemini 1.5 Flash 8B: —, o4-mini: 32.6 (#61)

BenchmarkGemini 1.5 Flash 8Bo4-mini
Berkeley Function Calling Leaderboard—53.2%
GDPval—25.3%
METR Time Horizons—63.9%

Reasoning o4-mini leads

Gemini 1.5 Flash 8B: 20.0 (#244), o4-mini: 24.6 (#162)

BenchmarkGemini 1.5 Flash 8Bo4-mini
LMArena Hard Prompts12091351
DTBench50%77.6%
ARC-AGI-2—6.1%
SimpleBench—38.7%
Kagi LLM Benchmark—67.6%
ARC-AGI-1—58.7%
CritPt—0.6%
Chess Puzzles—26%
EnigmaEval—9.2%
Mystery Game Puzzles—5%
LMCA—26.5%
Epoch Capabilities Index—145.64
ForecastBench—61.8

Math o4-mini leads

Gemini 1.5 Flash 8B: 14.2 (#302), o4-mini: 40.8 (#89)

BenchmarkGemini 1.5 Flash 8Bo4-mini
OTIS Mock AIME 2024-20254.6%81.7%
LMArena Math12071389
FrontierMath (Tiers 1-3)—36.1%
FrontierMath Tier 4—4.9%
Omni-MATH—72%
MATH Level 5—97.8%
FrontierMath (Feb 2025 set)—24.8%
FrontierMath Tier 4 (v1)—6.3%

Knowledge o4-mini leads

Gemini 1.5 Flash 8B: 16.0 (#289), o4-mini: 43.6 (#91)

BenchmarkGemini 1.5 Flash 8Bo4-mini
GPQA Diamond33%79.6%
LMArena Expert11851343
Humanity's Last Exam—18.1%
SimpleQA Verified—19.6%
MMLU-Pro—82%
Confabulations—15.8%
Vectara Hallucination Rate—18.6%
GPQA (HELM)—73.5%

Multimodal o4-mini leads

Gemini 1.5 Flash 8B: 28.2 (#115), o4-mini: 40.2 (#49)

BenchmarkGemini 1.5 Flash 8Bo4-mini
LMArena Vision10441194
GeoBench—64%
VPCT—57.5%

Multilingual o4-mini leads

Gemini 1.5 Flash 8B: 38.5 (#229), o4-mini: 47.0 (#154)

BenchmarkGemini 1.5 Flash 8Bo4-mini
LMArena Non-English12151337
LMArena Chinese12311354
LMArena French12341364
LMArena German12061336
LMArena Japanese11501308
LMArena Korean11401312
LMArena Russian12361334
LMArena Spanish12121347

Instruction Following o4-mini leads

Gemini 1.5 Flash 8B: 62.8 (#236), o4-mini: 75.2 (#68)

BenchmarkGemini 1.5 Flash 8Bo4-mini
LMArena Instruction Following11991321
IFEval—92.8%

Long Context o4-mini leads

Gemini 1.5 Flash 8B: 37.0 (#225), o4-mini: 45.5 (#33)

BenchmarkGemini 1.5 Flash 8Bo4-mini
LMArena Longer Query12191315
Fiction.LiveBench—77.8%

Writing & Preference o4-mini leads

Gemini 1.5 Flash 8B: 42.8 (#232), o4-mini: 54.0 (#152)

BenchmarkGemini 1.5 Flash 8Bo4-mini
LMArena Text12261353
LMArena Creative Writing12181294
LMArena Multi-Turn11851350
Short-Story Creative Writing—75%
WildBench—85.4%

Frequently asked questions

Is Gemini 1.5 Flash 8B better than o4-mini?

o4-mini is the stronger model overall, scoring 41.6 to 29.9 on the Noometry Index.

Is Gemini 1.5 Flash 8B or o4-mini better for coding?

o4-mini scores higher on coding benchmarks: 40.9 versus 35.5 in the Noometry coding category.

How many benchmarks do Gemini 1.5 Flash 8B and o4-mini share?

21 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and o4-mini has 60.

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