Model comparison

Gemini 3.6 Flash vs GPT-5.4 mini

Gemini 3.6 Flash is the stronger model overall, scoring 54.1 to 45.0 on the Noometry Index.

Last verified . 39 shared benchmarks.

Gemini 3.6 Flash Google

54.1

Rank #33 Confirmed

GPT-5.4 mini OpenAI

45.0

Rank #76 Confirmed

Summary

  • They share 39 benchmarks with published results for both. Gemini 3.6 Flash scores higher in 9 categories and GPT-5.4 mini in 1 category; 10 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.6 Flash leads 58.8 to 30.4.
  • The biggest single-benchmark swing is ARC-AGI-2: 60.4% for Gemini 3.6 Flash and 18.9% for GPT-5.4 mini.
  • Gemini 3.6 Flash is cheaper at $0.75 / $3.75 per million input/output tokens, against $0.75 / $4.50 for GPT-5.4 mini.
  • Gemini 3.6 Flash accepts more context: 1.05M tokens versus 400K.

Side by side

Gemini 3.6 Flash and GPT-5.4 mini specifications
Gemini 3.6 FlashGPT-5.4 mini
ProviderGoogleOpenAI
Noometry Index54.145.0
Released2026-07-212026-03-17
WeightsProprietaryProprietary
Context window1.05M400K
Max output66K128K
Input $ / M tokens$0.75$0.75
Output $ / M tokens$3.75$4.50
Results tracked4646

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Category by category

Coding Gemini 3.6 Flash leads

Gemini 3.6 Flash: 50.0 (#48), GPT-5.4 mini: 45.2 (#72)

Coding benchmarks
BenchmarkGemini 3.6 FlashGPT-5.4 mini
FrontierCode34.4%27%
LMArena WebDev15381397
SciCode52.7%49.9%
WeirdML56.1%60.3%
LMArena Coding14911438
ALE-Bench715.521,189
DeepSWE46.7%—

Agentic & Tool Use Gemini 3.6 Flash leads

Gemini 3.6 Flash: 32.3 (#65), GPT-5.4 mini: 29.9 (#81)

Agentic & Tool Use benchmarks
BenchmarkGemini 3.6 FlashGPT-5.4 mini
APEX-Agents46.9%—
DeepResearch Bench—36.3%
GDP.pdf14%—

Reasoning Gemini 3.6 Flash leads

Gemini 3.6 Flash: 58.8 (#22), GPT-5.4 mini: 30.4 (#85)

Reasoning benchmarks
BenchmarkGemini 3.6 FlashGPT-5.4 mini
ARC-AGI-260.4%18.9%
NYT Connections (extended)89%61.8%
ARC-AGI-191.2%63.7%
CritPt10.6%10%
Chess Puzzles43%24%
LMArena Hard Prompts14851424
Mystery Game Puzzles30%11%
DTBench95.5%80%
LMCA44.9%40.8%
Epoch Capabilities Index154.25148.84
Kagi LLM Benchmark—37.9%
Thematic Generalization—61.7%
ForecastBench—57

Math Gemini 3.6 Flash leads

Gemini 3.6 Flash: 57.3 (#40), GPT-5.4 mini: 45.5 (#75)

Knowledge Gemini 3.6 Flash leads

Gemini 3.6 Flash: 67.8 (#8), GPT-5.4 mini: 51.5 (#67)

Knowledge benchmarks
BenchmarkGemini 3.6 FlashGPT-5.4 mini
GPQA Diamond94.1%86.9%
SimpleQA Verified66.2%29.4%
LMArena Expert14881435
Vectara Hallucination Rate—5.5%

Multimodal GPT-5.4 mini leads

Gemini 3.6 Flash: 38.5 (#64), GPT-5.4 mini: 39.7 (#56)

Multimodal benchmarks
BenchmarkGemini 3.6 FlashGPT-5.4 mini
LMArena Vision12981245
Blueprint-Bench 231.2%—
Furniture Assembly23.3%—
LMArena Document1456—

Multilingual Gemini 3.6 Flash leads

Gemini 3.6 Flash: 56.5 (#19), GPT-5.4 mini: 51.9 (#96)

Multilingual benchmarks
BenchmarkGemini 3.6 FlashGPT-5.4 mini
LMArena Non-English14691405
LMArena Chinese15311446
LMArena French15041440
LMArena German14781409
LMArena Japanese14761374
LMArena Korean14311368
LMArena Russian14871417
LMArena Spanish14751405

Instruction Following Gemini 3.6 Flash leads

Gemini 3.6 Flash: 77.0 (#33), GPT-5.4 mini: 74.1 (#102)

Instruction Following benchmarks
BenchmarkGemini 3.6 FlashGPT-5.4 mini
LMArena Instruction Following14661405

Long Context Gemini 3.6 Flash leads

Gemini 3.6 Flash: 45.1 (#50), GPT-5.4 mini: 43.0 (#112)

Long Context benchmarks
BenchmarkGemini 3.6 FlashGPT-5.4 mini
LMArena Longer Query14741407

Writing & Preference Gemini 3.6 Flash leads

Gemini 3.6 Flash: 68.2 (#27), GPT-5.4 mini: 64.0 (#58)

Writing & Preference benchmarks
BenchmarkGemini 3.6 FlashGPT-5.4 mini
LMArena Text14791412
LMArena Creative Writing14651370
EQ-Bench Creative Writing16041665
LMArena Multi-Turn14811429

Frequently asked questions

Is Gemini 3.6 Flash better than GPT-5.4 mini?

Gemini 3.6 Flash is the stronger model overall, scoring 54.1 to 45.0 on the Noometry Index.

Which is cheaper, Gemini 3.6 Flash or GPT-5.4 mini?

Gemini 3.6 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; GPT-5.4 mini lists at $0.75 and $4.50.

Is Gemini 3.6 Flash or GPT-5.4 mini better for coding?

Gemini 3.6 Flash scores higher on coding benchmarks: 50.0 versus 45.2 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.6 Flash does, with 1.05M tokens against 400K.

How many benchmarks do Gemini 3.6 Flash and GPT-5.4 mini share?

39 benchmarks have published results for both models. Gemini 3.6 Flash has 46 scored results on Noometry and GPT-5.4 mini has 46.

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