Model comparison

Gemini 3.7 Flash vs GPT-5.5 Instant

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 42.7 on the Noometry Index.

Last verified . 26 shared benchmarks.

Gemini 3.7 Flash Google

59.8

Rank #14 Confirmed

GPT-5.5 Instant OpenAI

42.7

Rank #110 Confirmed

Summary

  • They share 26 benchmarks with published results for both. Gemini 3.7 Flash scores higher in 8 categories and GPT-5.5 Instant in 1 category; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.7 Flash leads 70.0 to 24.9.
  • The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 71.6% for Gemini 3.7 Flash and 26.3% for GPT-5.5 Instant.

Side by side

Gemini 3.7 Flash and GPT-5.5 Instant specifications
Gemini 3.7 FlashGPT-5.5 Instant
ProviderGoogleOpenAI
Noometry Index59.842.7
Released2026-08-132026-05-05
WeightsProprietaryProprietary
Context window1.05M—
Max output66K—
Input $ / M tokens$0.75—
Output $ / M tokens$3.75—
Results tracked4427

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Category by category

Coding Gemini 3.7 Flash leads

Gemini 3.7 Flash: 56.2 (#22), GPT-5.5 Instant: 44.3 (#74)

Coding benchmarks
BenchmarkGemini 3.7 FlashGPT-5.5 Instant
SciCode59.8%48.6%
LMArena Coding14971433
DeepSWE65.5%—
FrontierCode43.6%—
LMArena WebDev1592—
FrontierSWE20.3%—
ALE-Bench904.3—

Agentic & Tool Use Not comparable

Gemini 3.7 Flash: 42.1 (#19), GPT-5.5 Instant: —

Agentic & Tool Use benchmarks
BenchmarkGemini 3.7 FlashGPT-5.5 Instant
APEX-Agents67.8%—
Remote Labor Index5%—
GDP.pdf23.8%—

Reasoning Gemini 3.7 Flash leads

Gemini 3.7 Flash: 70.0 (#15), GPT-5.5 Instant: 24.9 (#155)

Reasoning benchmarks
BenchmarkGemini 3.7 FlashGPT-5.5 Instant
CritPt14.3%0%
Chess Puzzles47%12%
LMArena Hard Prompts14941426
Epoch Capabilities Index157.27142.52
ARC-AGI-284.6%—
NYT Connections (extended)94%—
ARC-AGI-195.5%—
Mystery Game Puzzles37%—
DTBench96.8%—
LMCA50.4%—

Math Gemini 3.7 Flash leads

Gemini 3.7 Flash: 69.6 (#23), GPT-5.5 Instant: 26.5 (#259)

Math benchmarks
BenchmarkGemini 3.7 FlashGPT-5.5 Instant
FrontierMath (Tiers 1-3)71.6%26.3%
FrontierMath Tier 436.6%2.4%
OTIS Mock AIME 2024-202597.2%68.1%
LMArena Math15071420
ProofBench58%—

Knowledge Gemini 3.7 Flash leads

Gemini 3.7 Flash: 69.7 (#5), GPT-5.5 Instant: 48.9 (#74)

Knowledge benchmarks
BenchmarkGemini 3.7 FlashGPT-5.5 Instant
GPQA Diamond94.8%82.5%
LMArena Expert15081409
SimpleQA Verified69.2%—

Multimodal GPT-5.5 Instant leads

Gemini 3.7 Flash: 37.3 (#73), GPT-5.5 Instant: 40.0 (#52)

Multimodal benchmarks
BenchmarkGemini 3.7 FlashGPT-5.5 Instant
LMArena Vision13161250
Furniture Assembly26.7%—
LMArena Document—1403

Multilingual Gemini 3.7 Flash leads

Gemini 3.7 Flash: 57.6 (#7), GPT-5.5 Instant: 52.8 (#80)

Multilingual benchmarks
BenchmarkGemini 3.7 FlashGPT-5.5 Instant
LMArena Non-English14841417
LMArena Chinese15481456
LMArena French15051428
LMArena German14981411
LMArena Japanese15121408
LMArena Korean14831392
LMArena Russian15161431
LMArena Spanish15031429

Instruction Following Gemini 3.7 Flash leads

Gemini 3.7 Flash: 77.7 (#15), GPT-5.5 Instant: 74.2 (#100)

Instruction Following benchmarks
BenchmarkGemini 3.7 FlashGPT-5.5 Instant
LMArena Instruction Following14831406

Long Context Gemini 3.7 Flash leads

Gemini 3.7 Flash: 45.7 (#30), GPT-5.5 Instant: 43.4 (#96)

Long Context benchmarks
BenchmarkGemini 3.7 FlashGPT-5.5 Instant
LMArena Longer Query14921422

Writing & Preference Gemini 3.7 Flash leads

Gemini 3.7 Flash: 71.2 (#20), GPT-5.5 Instant: 61.8 (#85)

Writing & Preference benchmarks
BenchmarkGemini 3.7 FlashGPT-5.5 Instant
LMArena Text14861419
LMArena Creative Writing14901419
LMArena Multi-Turn14891433
EQ-Bench Creative Writing1723—

Frequently asked questions

Is Gemini 3.7 Flash better than GPT-5.5 Instant?

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 42.7 on the Noometry Index.

Is Gemini 3.7 Flash or GPT-5.5 Instant better for coding?

Gemini 3.7 Flash scores higher on coding benchmarks: 56.2 versus 44.3 in the Noometry coding category.

How many benchmarks do Gemini 3.7 Flash and GPT-5.5 Instant share?

26 benchmarks have published results for both models. Gemini 3.7 Flash has 44 scored results on Noometry and GPT-5.5 Instant has 27.

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