Model comparison

Gemini 3 Flash Preview vs GPT-3.5-turbo

Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 23.2 on the Noometry Index. GPT-3.5-turbo costs 1.5× less per token, which makes it the better buy when Gemini 3 Flash Preview's lead doesn't matter for your workload.

Last verified . 27 shared benchmarks.

Gemini 3 Flash Preview Google

52.3

Rank #40 Confirmed

GPT-3.5-turbo OpenAI

23.2

Rank #350 Confirmed

Summary

  • They share 27 benchmarks with published results for both. Gemini 3 Flash Preview scores higher in 8 categories and GPT-3.5-turbo in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 3 Flash Preview leads 58.8 to 10.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 95.6% for Gemini 3 Flash Preview and 2.2% for GPT-3.5-turbo.
  • GPT-3.5-turbo is cheaper at $0.50 / $1.50 per million input/output tokens, against $0.50 / $3 for Gemini 3 Flash Preview.
  • Gemini 3 Flash Preview accepts more context: 1.05M tokens versus 16K.

Side by side

Gemini 3 Flash Preview and GPT-3.5-turbo specifications
Gemini 3 Flash PreviewGPT-3.5-turbo
ProviderGoogleOpenAI
Noometry Index52.323.2
Released2025-12-172023-03-01
WeightsProprietaryProprietary
Context window1.05M16K
Max output66K4K
Input $ / M tokens$0.50$0.50
Output $ / M tokens$3$1.50
Results tracked5944

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 50.9 (#42), GPT-3.5-turbo: 23.9 (#331)

Coding benchmarks
BenchmarkGemini 3 Flash PreviewGPT-3.5-turbo
WeirdML61.6%3.5%
LMArena Coding14601136
SWE-bench Verified75.4%—
SWE-bench Verified (bash only)75.8%—
LMArena WebDev1439—
SWE-bench Multilingual72.7%—
GSO9.8%—
BigCodeBench Instruct—39.1%
BigCodeBench Complete—50.6%
ALE-Bench1,367—
HumanEval+—70.7%
MBPP+—69.7%

Agentic & Tool Use Not comparable

Gemini 3 Flash Preview: 38.7 (#29), GPT-3.5-turbo: —

Agentic & Tool Use benchmarks
BenchmarkGemini 3 Flash PreviewGPT-3.5-turbo
Terminal-Bench64.3%—
τ²-bench Airline82.5%—
τ²-bench Banking27.3%—
τ²-bench Retail76.8%—
τ²-bench Telecom91.2%—
DeepResearch Bench49.8%—
BALROG48.1%—
GDP.pdf10%—
LMArena Search1198—
METR Time Horizons—21.5%
Vending-Bench 23,635—

Reasoning Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 49.2 (#37), GPT-3.5-turbo: 13.8 (#332)

Reasoning benchmarks
BenchmarkGemini 3 Flash PreviewGPT-3.5-turbo
Chess Puzzles40%0%
LMArena Hard Prompts14651108
Mystery Game Puzzles26%3%
DTBench89.1%48.5%
LMCA43.1%9.7%
Epoch Capabilities Index151.8118.55
ForecastBench58.550.4
ARC-AGI-233.6%—
SimpleBench61.1%—
NYT Connections (extended)83.1%—
ARC-AGI-184.7%—
Adversarial NLI—58.1%
BIG-Bench Hard—61.6%
CommonsenseQA 2.0—57%
WinoGrande—81.6%

Math Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 51.7 (#55), GPT-3.5-turbo: 6.3 (#327)

Math benchmarks
BenchmarkGemini 3 Flash PreviewGPT-3.5-turbo
FrontierMath (Tiers 1-3)51.2%0%
OTIS Mock AIME 2024-202595.6%2.2%
LMArena Math14731142
FrontierMath Tier 417.1%—
MathArena Final-Answer Competitions67.6%—
ProofBench15%—
MATH Level 5—15.9%
FrontierMath (Feb 2025 set)35.6%—
FrontierMath Tier 4 (v1)4.2%—
GSM8K—57.8%

Knowledge Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 58.8 (#33), GPT-3.5-turbo: 10.0 (#303)

Knowledge benchmarks
BenchmarkGemini 3 Flash PreviewGPT-3.5-turbo
GPQA Diamond89.4%28%
LMArena Expert14621070
SimpleQA Verified66.8%—
Vectara Hallucination Rate13.5%—
ARC (AI2) Challenge—87.4%
BoolQ—87%
MMLU—71.4%
OpenBookQA—86%
TriviaQA—85.8%

Multimodal Not comparable

Gemini 3 Flash Preview: 45.5 (#16), GPT-3.5-turbo: —

Multimodal benchmarks
BenchmarkGemini 3 Flash PreviewGPT-3.5-turbo
LMArena Vision1285—
GeoBench88%—
VPCT72.6%—
Blueprint-Bench 20%—
LMArena Document1413—

Multilingual Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 55.7 (#27), GPT-3.5-turbo: 31.5 (#258)

Multilingual benchmarks
BenchmarkGemini 3 Flash PreviewGPT-3.5-turbo
LMArena Non-English14581108
LMArena Chinese15111075
LMArena French14771118
LMArena German14971090
LMArena Japanese14891043
LMArena Korean14431019
LMArena Russian14801123
LMArena Spanish14691121

Instruction Following Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 75.7 (#56), GPT-3.5-turbo: 57.9 (#262)

Instruction Following benchmarks
BenchmarkGemini 3 Flash PreviewGPT-3.5-turbo
LMArena Instruction Following14371119

Long Context Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 44.4 (#67), GPT-3.5-turbo: 34.0 (#254)

Long Context benchmarks
BenchmarkGemini 3 Flash PreviewGPT-3.5-turbo
LMArena Longer Query14521121

Writing & Preference Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 65.5 (#45), GPT-3.5-turbo: 25.3 (#305)

Writing & Preference benchmarks
BenchmarkGemini 3 Flash PreviewGPT-3.5-turbo
LMArena Text14661125
LMArena Creative Writing14571092
LMArena Multi-Turn14711117
EQ-Bench Creative Writing—451

Frequently asked questions

Is Gemini 3 Flash Preview better than GPT-3.5-turbo?

Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 23.2 on the Noometry Index. GPT-3.5-turbo costs 1.5× less per token, which makes it the better buy when Gemini 3 Flash Preview's lead doesn't matter for your workload.

Which is cheaper, Gemini 3 Flash Preview or GPT-3.5-turbo?

GPT-3.5-turbo is cheaper. It lists at $0.50 per million input tokens and $1.50 per million output tokens; Gemini 3 Flash Preview lists at $0.50 and $3.

Is Gemini 3 Flash Preview or GPT-3.5-turbo better for coding?

Gemini 3 Flash Preview scores higher on coding benchmarks: 50.9 versus 23.9 in the Noometry coding category.

Which has the bigger context window?

Gemini 3 Flash Preview does, with 1.05M tokens against 16K.

How many benchmarks do Gemini 3 Flash Preview and GPT-3.5-turbo share?

27 benchmarks have published results for both models. Gemini 3 Flash Preview has 59 scored results on Noometry and GPT-3.5-turbo has 44.

Related comparisons

Go deeper