Noometry

Model comparison

Gemini 1.5 Flash 8B vs GPT-5.4 nano

GPT-5.4 nano is the stronger model overall, scoring 41.9 to 29.9 on the Noometry Index.

Last verified . 21 shared benchmarks.

Gemini 1.5 Flash 8B Google

29.9

Rank #301 Confirmed

GPT-5.4 nano OpenAI

41.9

Rank #125 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 0 categories and GPT-5.4 nano in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.4 nano leads 40.9 to 14.2.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.6% for Gemini 1.5 Flash 8B and 87.8% for GPT-5.4 nano.

Side by side

Gemini 1.5 Flash 8BGPT-5.4 nano
ProviderGoogleOpenAI
Noometry Index29.941.9
Released2024-10-032026-03-17
WeightsProprietaryProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$0.20
Output $ / M tokens—$1.25
Results tracked2140

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Category by category

Coding GPT-5.4 nano leads

Gemini 1.5 Flash 8B: 35.5 (#225), GPT-5.4 nano: 43.6 (#84)

BenchmarkGemini 1.5 Flash 8BGPT-5.4 nano
LMArena Coding12181405
SciCode—46.9%
WeirdML—49.2%
ALE-Bench—1,005

Reasoning GPT-5.4 nano leads

Gemini 1.5 Flash 8B: 20.0 (#244), GPT-5.4 nano: 23.7 (#173)

BenchmarkGemini 1.5 Flash 8BGPT-5.4 nano
LMArena Hard Prompts12091381
DTBench50%80.3%
ARC-AGI-2—5.7%
Kagi LLM Benchmark—39.7%
ARC-AGI-1—51.5%
CritPt—9.3%
Chess Puzzles—30%
Mystery Game Puzzles—9%
LMCA—36.9%
Epoch Capabilities Index—145.81
ForecastBench—57.3

Math GPT-5.4 nano leads

Gemini 1.5 Flash 8B: 14.2 (#302), GPT-5.4 nano: 40.9 (#88)

BenchmarkGemini 1.5 Flash 8BGPT-5.4 nano
OTIS Mock AIME 2024-20254.6%87.8%
LMArena Math12071406
FrontierMath (Tiers 1-3)—44.9%
FrontierMath Tier 4—12.2%
ProofBench—5%
FrontierMath (Feb 2025 set)—25.9%
FrontierMath Tier 4 (v1)—6.3%

Knowledge GPT-5.4 nano leads

Gemini 1.5 Flash 8B: 16.0 (#289), GPT-5.4 nano: 41.9 (#103)

BenchmarkGemini 1.5 Flash 8BGPT-5.4 nano
GPQA Diamond33%78.5%
LMArena Expert11851396
SimpleQA Verified—11.7%
Vectara Hallucination Rate—3.1%

Multimodal GPT-5.4 nano leads

Gemini 1.5 Flash 8B: 28.2 (#115), GPT-5.4 nano: 36.7 (#78)

BenchmarkGemini 1.5 Flash 8BGPT-5.4 nano
LMArena Vision10441196

Multilingual GPT-5.4 nano leads

Gemini 1.5 Flash 8B: 38.5 (#229), GPT-5.4 nano: 48.6 (#140)

BenchmarkGemini 1.5 Flash 8BGPT-5.4 nano
LMArena Non-English12151359
LMArena Chinese12311392
LMArena French12341396
LMArena German12061367
LMArena Japanese11501343
LMArena Korean11401320
LMArena Russian12361363
LMArena Spanish12121371

Instruction Following GPT-5.4 nano leads

Gemini 1.5 Flash 8B: 62.8 (#236), GPT-5.4 nano: 71.9 (#144)

BenchmarkGemini 1.5 Flash 8BGPT-5.4 nano
LMArena Instruction Following11991362

Long Context GPT-5.4 nano leads

Gemini 1.5 Flash 8B: 37.0 (#225), GPT-5.4 nano: 41.6 (#137)

BenchmarkGemini 1.5 Flash 8BGPT-5.4 nano
LMArena Longer Query12191366

Writing & Preference GPT-5.4 nano leads

Gemini 1.5 Flash 8B: 42.8 (#232), GPT-5.4 nano: 55.7 (#142)

BenchmarkGemini 1.5 Flash 8BGPT-5.4 nano
LMArena Text12261372
LMArena Creative Writing12181314
LMArena Multi-Turn11851382

Frequently asked questions

Is Gemini 1.5 Flash 8B better than GPT-5.4 nano?

GPT-5.4 nano is the stronger model overall, scoring 41.9 to 29.9 on the Noometry Index.

Is Gemini 1.5 Flash 8B or GPT-5.4 nano better for coding?

GPT-5.4 nano scores higher on coding benchmarks: 43.6 versus 35.5 in the Noometry coding category.

How many benchmarks do Gemini 1.5 Flash 8B and GPT-5.4 nano share?

21 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and GPT-5.4 nano has 40.

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