Noometry

Model comparison

Gemini 3.6 Flash vs GPT-5 Pro

Gemini 3.6 Flash is the stronger model overall, scoring 54.1 to 46.4 on the Noometry Index.

Last verified . 6 shared benchmarks.

Gemini 3.6 Flash Google

54.1

Rank #33 Confirmed

GPT-5 Pro OpenAI

46.4

Rank #64 Confirmed

Summary

  • They share 6 benchmarks with published results for both. Gemini 3.6 Flash scores higher in 4 categories and GPT-5 Pro in 0 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.6 Flash leads 58.8 to 38.9.
  • The biggest single-benchmark swing is ARC-AGI-2: 60.4% for Gemini 3.6 Flash and 18.3% for GPT-5 Pro.
  • Gemini 3.6 Flash is cheaper at $0.75 / $3.75 per million input/output tokens, against $15 / $120 for GPT-5 Pro.
  • Gemini 3.6 Flash accepts more context: 1.05M tokens versus 400K.

Side by side

Gemini 3.6 FlashGPT-5 Pro
ProviderGoogleOpenAI
Noometry Index54.146.4
Released2026-07-212025-10-06
WeightsProprietaryProprietary
Context window1.05M400K
Max output66K272K
Input $ / M tokens$0.75$15
Output $ / M tokens$3.75$120
Results tracked4612

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Category by category

Coding Gemini 3.6 Flash leads

Gemini 3.6 Flash: 50.0 (#48), GPT-5 Pro: 44.0 (#80)

BenchmarkGemini 3.6 FlashGPT-5 Pro
WeirdML56.1%60.4%
DeepSWE46.7%—
FrontierCode34.4%—
LMArena WebDev1538—
SciCode52.7%—
LMArena Coding1491—
ALE-Bench715.52—
AlgoTune—1.31

Agentic & Tool Use Not comparable

Gemini 3.6 Flash: 32.3 (#65), GPT-5 Pro: —

BenchmarkGemini 3.6 FlashGPT-5 Pro
APEX-Agents46.9%—
GDP.pdf14%—

Reasoning Gemini 3.6 Flash leads

Gemini 3.6 Flash: 58.8 (#22), GPT-5 Pro: 38.9 (#62)

BenchmarkGemini 3.6 FlashGPT-5 Pro
ARC-AGI-260.4%18.3%
ARC-AGI-191.2%70.2%
Epoch Capabilities Index154.25150.28
SimpleBench—61.6%
Kagi LLM Benchmark—76.8%
NYT Connections (extended)89%—
CritPt10.6%—
Chess Puzzles43%—
EnigmaEval—18.8%
LMArena Hard Prompts1485—
Mystery Game Puzzles30%—
DTBench95.5%—
LMCA44.9%—

Math Gemini 3.6 Flash leads

Gemini 3.6 Flash: 57.3 (#40), GPT-5 Pro: 48.5 (#63)

BenchmarkGemini 3.6 FlashGPT-5 Pro
FrontierMath (Tiers 1-3)58.9%55.8%
FrontierMath Tier 422%19.5%
MathArena Final-Answer Competitions70.8%—
OTIS Mock AIME 2024-202594.2%—
ProofBench36%—
LMArena Math1505—
FrontierMath Tier 4 (v1)—14.6%

Knowledge Gemini 3.6 Flash leads

Gemini 3.6 Flash: 67.8 (#8), GPT-5 Pro: 56.7 (#42)

BenchmarkGemini 3.6 FlashGPT-5 Pro
GPQA Diamond94.1%—
Humanity's Last Exam—31.6%
SimpleQA Verified66.2%—
LMArena Expert1488—

Multimodal Not comparable

Gemini 3.6 Flash: 38.5 (#64), GPT-5 Pro: —

BenchmarkGemini 3.6 FlashGPT-5 Pro
LMArena Vision1298—
Blueprint-Bench 231.2%—
Furniture Assembly23.3%—
LMArena Document1456—

Multilingual Not comparable

Gemini 3.6 Flash: 56.5 (#19), GPT-5 Pro: —

BenchmarkGemini 3.6 FlashGPT-5 Pro
LMArena Non-English1469—
LMArena Chinese1531—
LMArena French1504—
LMArena German1478—
LMArena Japanese1476—
LMArena Korean1431—
LMArena Russian1487—
LMArena Spanish1475—

Instruction Following Not comparable

Gemini 3.6 Flash: 77.0 (#33), GPT-5 Pro: —

BenchmarkGemini 3.6 FlashGPT-5 Pro
LMArena Instruction Following1466—

Long Context Not comparable

Gemini 3.6 Flash: 45.1 (#50), GPT-5 Pro: —

BenchmarkGemini 3.6 FlashGPT-5 Pro
LMArena Longer Query1474—

Writing & Preference Not comparable

Gemini 3.6 Flash: 68.2 (#27), GPT-5 Pro: —

BenchmarkGemini 3.6 FlashGPT-5 Pro
LMArena Text1479—
LMArena Creative Writing1465—
EQ-Bench Creative Writing1604—
LMArena Multi-Turn1481—

Frequently asked questions

Is Gemini 3.6 Flash better than GPT-5 Pro?

Gemini 3.6 Flash is the stronger model overall, scoring 54.1 to 46.4 on the Noometry Index.

Which is cheaper, Gemini 3.6 Flash or GPT-5 Pro?

Gemini 3.6 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; GPT-5 Pro lists at $15 and $120.

Is Gemini 3.6 Flash or GPT-5 Pro better for coding?

Gemini 3.6 Flash scores higher on coding benchmarks: 50.0 versus 44.0 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 Pro share?

6 benchmarks have published results for both models. Gemini 3.6 Flash has 46 scored results on Noometry and GPT-5 Pro has 12.

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