Model comparison

Gemini 3.5 Flash vs Phi 3 Small 8k Instruct

Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 29.3 on the Noometry Index.

Last verified . 17 shared benchmarks.

Gemini 3.5 Flash Google

54.2

Rank #32 Confirmed

Phi 3 Small 8k Instruct Microsoft

29.3

Rank #314 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Gemini 3.5 Flash scores higher in 8 categories and Phi 3 Small 8k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.5 Flash leads 62.8 to 14.8.
  • Phi 3 Small 8k Instruct has downloadable open weights; the other is API-only.

Side by side

Gemini 3.5 Flash and Phi 3 Small 8k Instruct specifications
Gemini 3.5 FlashPhi 3 Small 8k Instruct
ProviderGoogleMicrosoft
Noometry Index54.229.3
Released2026-05-192024-04-23
WeightsProprietaryOpen
Context window1.05M—
Max output66K—
Input $ / M tokens$1.50—
Output $ / M tokens$9—
Results tracked5432

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

Category by category

Coding Gemini 3.5 Flash leads

Gemini 3.5 Flash: 49.4 (#49), Phi 3 Small 8k Instruct: 27.9 (#318)

Coding benchmarks
BenchmarkGemini 3.5 FlashPhi 3 Small 8k Instruct
LMArena Coding14921101
SWE-bench Verified79.3%—
DeepSWE37.4%—
LMArena WebDev1499—
SciCode53.1%—
WeirdML62.6%—
LiveBench Coding—20.3%
ALE-Bench911.02—

Agentic & Tool Use Not comparable

Gemini 3.5 Flash: 24.7 (#114), Phi 3 Small 8k Instruct: —

Agentic & Tool Use benchmarks
BenchmarkGemini 3.5 FlashPhi 3 Small 8k Instruct
APEX-Agents27.5%—
GBAEval6.7%—
GDP.pdf14%—
Vending-Bench 25,396—

Reasoning Gemini 3.5 Flash leads

Gemini 3.5 Flash: 62.8 (#18), Phi 3 Small 8k Instruct: 14.8 (#323)

Reasoning benchmarks
BenchmarkGemini 3.5 FlashPhi 3 Small 8k Instruct
LMArena Hard Prompts14881100
ARC-AGI-272.1%—
SimpleBench76.7%—
NYT Connections (extended)92.6%—
ARC-AGI-192.5%—
CritPt13.1%—
Chess Puzzles50%—
EnigmaEval25.4%—
EBR-Bench4.8%—
LiveBench Reasoning—15.9%
Mystery Game Puzzles32%—
DTBench94.7%—
LiveBench Data Analysis—30.3%
LMCA47.1%—
Surface Evolver Bench58.1%—
Adversarial NLI—58.1%
BIG-Bench Hard—79.1%
Epoch Capabilities Index154.46—
ForecastBench59—
HellaSwag—77%
LiveBench—24%
WinoGrande—81.5%

Math Gemini 3.5 Flash leads

Gemini 3.5 Flash: 60.7 (#36), Phi 3 Small 8k Instruct: 27.6 (#248)

Math benchmarks
BenchmarkGemini 3.5 FlashPhi 3 Small 8k Instruct
LMArena Math15041151
FrontierMath (Tiers 1-3)62.8%—
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions76.3%—
OTIS Mock AIME 2024-202595.6%—
ProofBench31%—
LiveBench Math—17.6%
FrontierMath (Feb 2025 set)39%—
FrontierMath Tier 4 (v1)14.6%—

Knowledge Gemini 3.5 Flash leads

Gemini 3.5 Flash: 66.3 (#11), Phi 3 Small 8k Instruct: 29.1 (#240)

Knowledge benchmarks
BenchmarkGemini 3.5 FlashPhi 3 Small 8k Instruct
LMArena Expert14951067
GPQA Diamond92.8%—
SimpleQA Verified66.2%—
ARC (AI2) Challenge—90.7%
MMLU—75.7%
OpenBookQA—88%
TriviaQA—58.1%

Multimodal Not comparable

Gemini 3.5 Flash: 45.7 (#15), Phi 3 Small 8k Instruct: —

Multimodal benchmarks
BenchmarkGemini 3.5 FlashPhi 3 Small 8k Instruct
LMArena Vision1310—
Blueprint-Bench 233.6%—
LMArena Document1463—

Multilingual Gemini 3.5 Flash leads

Gemini 3.5 Flash: 57.0 (#13), Phi 3 Small 8k Instruct: 28.5 (#272)

Multilingual benchmarks
BenchmarkGemini 3.5 FlashPhi 3 Small 8k Instruct
LMArena Non-English14761058
LMArena Chinese15261061
LMArena French14901135
LMArena German14921080
LMArena Japanese1486966
LMArena Korean1451894
LMArena Russian14931111
LMArena Spanish14801111

Instruction Following Gemini 3.5 Flash leads

Gemini 3.5 Flash: 77.0 (#30), Phi 3 Small 8k Instruct: 51.9 (#292)

Instruction Following benchmarks
BenchmarkGemini 3.5 FlashPhi 3 Small 8k Instruct
LMArena Instruction Following14671087
LiveBench Instruction Following—47.2%

Long Context Gemini 3.5 Flash leads

Gemini 3.5 Flash: 45.4 (#38), Phi 3 Small 8k Instruct: 33.0 (#267)

Long Context benchmarks
BenchmarkGemini 3.5 FlashPhi 3 Small 8k Instruct
LMArena Longer Query14821088

Writing & Preference Gemini 3.5 Flash leads

Gemini 3.5 Flash: 65.5 (#47), Phi 3 Small 8k Instruct: 31.1 (#284)

Writing & Preference benchmarks
BenchmarkGemini 3.5 FlashPhi 3 Small 8k Instruct
LMArena Text14821110
LMArena Creative Writing14701083
LMArena Multi-Turn14811068
EQ-Bench 41087—
LiveBench Language—12.9%

Frequently asked questions

Is Gemini 3.5 Flash better than Phi 3 Small 8k Instruct?

Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 29.3 on the Noometry Index.

Is Gemini 3.5 Flash or Phi 3 Small 8k Instruct better for coding?

Gemini 3.5 Flash scores higher on coding benchmarks: 49.4 versus 27.9 in the Noometry coding category.

How many benchmarks do Gemini 3.5 Flash and Phi 3 Small 8k Instruct share?

17 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Phi 3 Small 8k Instruct has 32.

Related comparisons

Go deeper