Noometry

Model comparison

Gemini 3.7 Flash vs GPT-5.3 Chat

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 42.8 on the Noometry Index.

Last verified . 18 shared benchmarks.

Gemini 3.7 Flash Google

59.8

Rank #14 Confirmed

GPT-5.3 Chat OpenAI

42.8

Rank #109 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Gemini 3.7 Flash scores higher in 8 categories and GPT-5.3 Chat in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.7 Flash leads 70.0 to 28.5.
  • Gemini 3.7 Flash is cheaper at $0.75 / $3.75 per million input/output tokens, against $1.75 / $14 for GPT-5.3 Chat.
  • Gemini 3.7 Flash accepts more context: 1.05M tokens versus 128K.

Side by side

Gemini 3.7 FlashGPT-5.3 Chat
ProviderGoogleOpenAI
Noometry Index59.842.8
Released2026-08-132026-03-03
WeightsProprietaryProprietary
Context window1.05M128K
Max output66K16K
Input $ / M tokens$0.75$1.75
Output $ / M tokens$3.75$14
Results tracked4418

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

Category by category

Coding Gemini 3.7 Flash leads

Gemini 3.7 Flash: 56.2 (#22), GPT-5.3 Chat: 41.4 (#124)

BenchmarkGemini 3.7 FlashGPT-5.3 Chat
LMArena Coding14971408
DeepSWE65.5%—
FrontierCode43.6%—
LMArena WebDev1592—
FrontierSWE20.3%—
SciCode59.8%—
ALE-Bench904.3—

Agentic & Tool Use Not comparable

Gemini 3.7 Flash: 42.1 (#19), GPT-5.3 Chat: —

BenchmarkGemini 3.7 FlashGPT-5.3 Chat
APEX-Agents67.8%—
Remote Labor Index5%—
GDP.pdf23.8%—

Reasoning Gemini 3.7 Flash leads

Gemini 3.7 Flash: 70.0 (#15), GPT-5.3 Chat: 28.5 (#102)

BenchmarkGemini 3.7 FlashGPT-5.3 Chat
LMArena Hard Prompts14941399
ARC-AGI-284.6%—
NYT Connections (extended)94%—
ARC-AGI-195.5%—
CritPt14.3%—
Chess Puzzles47%—
Mystery Game Puzzles37%—
DTBench96.8%—
LMCA50.4%—
Epoch Capabilities Index157.27—

Math Gemini 3.7 Flash leads

Gemini 3.7 Flash: 69.6 (#23), GPT-5.3 Chat: 38.2 (#142)

BenchmarkGemini 3.7 FlashGPT-5.3 Chat
LMArena Math15071389
FrontierMath (Tiers 1-3)71.6%—
FrontierMath Tier 436.6%—
OTIS Mock AIME 2024-202597.2%—
ProofBench58%—

Knowledge Gemini 3.7 Flash leads

Gemini 3.7 Flash: 69.7 (#5), GPT-5.3 Chat: 38.8 (#140)

BenchmarkGemini 3.7 FlashGPT-5.3 Chat
LMArena Expert15081397
GPQA Diamond94.8%—
SimpleQA Verified69.2%—

Multimodal Not comparable

Gemini 3.7 Flash: 37.3 (#73), GPT-5.3 Chat: —

BenchmarkGemini 3.7 FlashGPT-5.3 Chat
LMArena Vision1316—
Furniture Assembly26.7%—

Multilingual Gemini 3.7 Flash leads

Gemini 3.7 Flash: 57.6 (#7), GPT-5.3 Chat: 50.3 (#124)

BenchmarkGemini 3.7 FlashGPT-5.3 Chat
LMArena Non-English14841382
LMArena Chinese15481432
LMArena French15051397
LMArena German14981384
LMArena Japanese15121352
LMArena Korean14831346
LMArena Russian15161400
LMArena Spanish15031371

Instruction Following Gemini 3.7 Flash leads

Gemini 3.7 Flash: 77.7 (#15), GPT-5.3 Chat: 72.8 (#129)

BenchmarkGemini 3.7 FlashGPT-5.3 Chat
LMArena Instruction Following14831378

Long Context Gemini 3.7 Flash leads

Gemini 3.7 Flash: 45.7 (#30), GPT-5.3 Chat: 42.6 (#120)

BenchmarkGemini 3.7 FlashGPT-5.3 Chat
LMArena Longer Query14921396

Writing & Preference Gemini 3.7 Flash leads

Gemini 3.7 Flash: 71.2 (#20), GPT-5.3 Chat: 63.1 (#68)

BenchmarkGemini 3.7 FlashGPT-5.3 Chat
LMArena Text14861389
LMArena Creative Writing14901355
EQ-Bench Creative Writing17231690
LMArena Multi-Turn14891412

Frequently asked questions

Is Gemini 3.7 Flash better than GPT-5.3 Chat?

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 42.8 on the Noometry Index.

Which is cheaper, Gemini 3.7 Flash or GPT-5.3 Chat?

Gemini 3.7 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; GPT-5.3 Chat lists at $1.75 and $14.

Is Gemini 3.7 Flash or GPT-5.3 Chat better for coding?

Gemini 3.7 Flash scores higher on coding benchmarks: 56.2 versus 41.4 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.7 Flash does, with 1.05M tokens against 128K.

How many benchmarks do Gemini 3.7 Flash and GPT-5.3 Chat share?

18 benchmarks have published results for both models. Gemini 3.7 Flash has 44 scored results on Noometry and GPT-5.3 Chat has 18.

Related comparisons

Go deeper