Noometry

Model comparison

Gemini 1.5 Flash (May 2024) vs Gemini 3 Deep Think

Gemini 1.5 Flash (May 2024) has enough public results to be ranked (#240); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

Gemini 1.5 Flash (May 2024) Google

32.9

Rank #240 Confirmed

Gemini 3 Deep Think Google

58.5

Unranked Sparse

Summary

  • The widest gap is in reasoning, where Gemini 3 Deep Think leads 70.8 to 20.8.

Side by side

Gemini 1.5 Flash (May 2024)Gemini 3 Deep Think
ProviderGoogleGoogle
Noometry Index32.958.5
Released2024-05-142026-02-12
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked423

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Category by category

Coding Not comparable

Gemini 1.5 Flash (May 2024): 33.9 (#233), Gemini 3 Deep Think: —

BenchmarkGemini 1.5 Flash (May 2024)Gemini 3 Deep Think
WeirdML24.9%—
BigCodeBench Instruct43.5%—
LMArena Coding1262—
BigCodeBench Complete55.1%—
HumanEval+75.6%—
MBPP+67.5%—

Agentic & Tool Use Not comparable

Gemini 1.5 Flash (May 2024): 26.3 (#97), Gemini 3 Deep Think: —

BenchmarkGemini 1.5 Flash (May 2024)Gemini 3 Deep Think
BALROG14.6%—

Reasoning Gemini 3 Deep Think leads

Gemini 1.5 Flash (May 2024): 20.8 (#212), Gemini 3 Deep Think: 70.8 (#11)

BenchmarkGemini 1.5 Flash (May 2024)Gemini 3 Deep Think
ARC-AGI-2—84.6%
ARC-AGI-1—96%
CritPt—25.7%
LMArena Hard Prompts1257—
DTBench53.8%—
Epoch Capabilities Index129.37—
ForecastBench53.9—
PIQA87.5%—

Math Not comparable

Gemini 1.5 Flash (May 2024): 20.8 (#274), Gemini 3 Deep Think: —

BenchmarkGemini 1.5 Flash (May 2024)Gemini 3 Deep Think
OTIS Mock AIME 2024-202516.3%—
Omni-MATH30.4%—
LMArena Math1269—
MATH Level 561.9%—
FrontierMath (Feb 2025 set)0%—
GSM8K82.4%—

Knowledge Not comparable

Gemini 1.5 Flash (May 2024): 26.2 (#253), Gemini 3 Deep Think: —

BenchmarkGemini 1.5 Flash (May 2024)Gemini 3 Deep Think
GPQA Diamond47.3%—
MMLU-Pro67.8%—
GPQA (HELM)43.7%—
LMArena Expert1233—
BoolQ85.8%—
MMLU77.9%—

Multimodal Not comparable

Gemini 1.5 Flash (May 2024): 35.3 (#76), Gemini 3 Deep Think: —

BenchmarkGemini 1.5 Flash (May 2024)Gemini 3 Deep Think
LMArena Vision1141—
Video-MME70.3%—
GeoBench76%—

Multilingual Not comparable

Gemini 1.5 Flash (May 2024): 43.1 (#184), Gemini 3 Deep Think: —

BenchmarkGemini 1.5 Flash (May 2024)Gemini 3 Deep Think
LMArena Non-English1278—
LMArena Chinese1295—
LMArena French1257—
LMArena German1262—
LMArena Japanese1252—
LMArena Korean1220—
LMArena Russian1288—
LMArena Spanish1242—

Instruction Following Not comparable

Gemini 1.5 Flash (May 2024): 67.0 (#199), Gemini 3 Deep Think: —

BenchmarkGemini 1.5 Flash (May 2024)Gemini 3 Deep Think
IFEval83.1%—
LMArena Instruction Following1258—

Long Context Not comparable

Gemini 1.5 Flash (May 2024): 39.0 (#182), Gemini 3 Deep Think: —

BenchmarkGemini 1.5 Flash (May 2024)Gemini 3 Deep Think
LMArena Longer Query1284—

Writing & Preference Not comparable

Gemini 1.5 Flash (May 2024): 48.9 (#190), Gemini 3 Deep Think: —

BenchmarkGemini 1.5 Flash (May 2024)Gemini 3 Deep Think
LMArena Text1287—
LMArena Creative Writing1285—
WildBench79.2%—
LMArena Multi-Turn1253—

Frequently asked questions

Is Gemini 1.5 Flash (May 2024) better than Gemini 3 Deep Think?

Gemini 1.5 Flash (May 2024) has enough public results to be ranked (#240); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

How many benchmarks do Gemini 1.5 Flash (May 2024) and Gemini 3 Deep Think share?

0 benchmarks have published results for both models. Gemini 1.5 Flash (May 2024) has 42 scored results on Noometry and Gemini 3 Deep Think has 3.

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