Model comparison

Gemini 3.7 Flash vs o3

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 47.5 on the Noometry Index.

Last verified . 32 shared benchmarks.

Gemini 3.7 Flash Google

59.8

Rank #14 Confirmed

o3 OpenAI

47.5

Rank #61 Confirmed

Summary

  • They share 32 benchmarks with published results for both. Gemini 3.7 Flash scores higher in 8 categories and o3 in 2 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.7 Flash leads 70.0 to 32.0.
  • The biggest single-benchmark swing is ARC-AGI-2: 84.6% for Gemini 3.7 Flash and 6.5% for o3.
  • Gemini 3.7 Flash is cheaper at $0.75 / $3.75 per million input/output tokens, against $2 / $8 for o3.
  • Gemini 3.7 Flash accepts more context: 1.05M tokens versus 200K.

Side by side

Gemini 3.7 Flash and o3 specifications
Gemini 3.7 Flasho3
ProviderGoogleOpenAI
Noometry Index59.847.5
Released2026-08-132025-04-16
WeightsProprietaryProprietary
Context window1.05M200K
Max output66K100K
Input $ / M tokens$0.75$2
Output $ / M tokens$3.75$8
Results tracked4463

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), o3: 46.8 (#64)

Coding benchmarks
BenchmarkGemini 3.7 Flasho3
LMArena Coding14971408
ALE-Bench904.3933.55
SWE-bench Verified—62.3%
DeepSWE65.5%—
FrontierCode43.6%—
SWE-bench Verified (bash only)—58.4%
Aider Polyglot—81.3%
LMArena WebDev1592—
FrontierSWE20.3%—
SciCode59.8%—
GSO—8.8%
WeirdML—52.4%
CadEval—74%

Agentic & Tool Use Gemini 3.7 Flash leads

Gemini 3.7 Flash: 42.1 (#19), o3: 34.5 (#44)

Agentic & Tool Use benchmarks
BenchmarkGemini 3.7 Flasho3
APEX-Agents67.8%—
Berkeley Function Calling Leaderboard—63%
GDPval—30.8%
Remote Labor Index5%—
DeepResearch Bench—45.2%
OSWorld—23%
GDP.pdf23.8%—
LMArena Search—1144
METR Time Horizons—65.4%

Reasoning Gemini 3.7 Flash leads

Gemini 3.7 Flash: 70.0 (#15), o3: 32.0 (#78)

Reasoning benchmarks
BenchmarkGemini 3.7 Flasho3
ARC-AGI-284.6%6.5%
ARC-AGI-195.5%60.8%
CritPt14.3%1.4%
Chess Puzzles47%38%
LMArena Hard Prompts14941402
Mystery Game Puzzles37%29%
DTBench96.8%84.8%
LMCA50.4%39.7%
Epoch Capabilities Index157.27146.86
SimpleBench—53.1%
Kagi LLM Benchmark—67.6%
NYT Connections (extended)94%—
EnigmaEval—13.1%
ForecastBench—62.5

Math Gemini 3.7 Flash leads

Gemini 3.7 Flash: 69.6 (#23), o3: 50.2 (#58)

Math benchmarks
BenchmarkGemini 3.7 Flasho3
FrontierMath (Tiers 1-3)71.6%33.3%
OTIS Mock AIME 2024-202597.2%84.4%
LMArena Math15071426
FrontierMath Tier 436.6%—
ProofBench58%—
Omni-MATH—71.4%
MATH Level 5—97.8%
FrontierMath (Feb 2025 set)—18.7%
FrontierMath Tier 4 (v1)—2.1%

Knowledge Gemini 3.7 Flash leads

Gemini 3.7 Flash: 69.7 (#5), o3: 54.6 (#52)

Knowledge benchmarks
BenchmarkGemini 3.7 Flasho3
GPQA Diamond94.8%81.8%
SimpleQA Verified69.2%49.4%
LMArena Expert15081402
Humanity's Last Exam—20.3%
MMLU-Pro—85.9%
Confabulations—14.4%
GPQA (HELM)—75.3%

Multimodal o3 leads

Gemini 3.7 Flash: 37.3 (#73), o3: 41.4 (#36)

Multimodal benchmarks
BenchmarkGemini 3.7 Flasho3
LMArena Vision13161214
GeoBench—74%
VPCT—52%
Furniture Assembly26.7%—

Multilingual Gemini 3.7 Flash leads

Gemini 3.7 Flash: 57.6 (#7), o3: 51.7 (#105)

Multilingual benchmarks
BenchmarkGemini 3.7 Flasho3
LMArena Non-English14841401
LMArena Chinese15481437
LMArena French15051430
LMArena German14981420
LMArena Japanese15121403
LMArena Korean14831370
LMArena Russian15161406
LMArena Spanish15031395

Instruction Following Gemini 3.7 Flash leads

Gemini 3.7 Flash: 77.7 (#15), o3: 72.8 (#127)

Instruction Following benchmarks
BenchmarkGemini 3.7 Flasho3
LMArena Instruction Following14831368
IFEval—86.9%

Long Context o3 leads

Gemini 3.7 Flash: 45.7 (#30), o3: 53.3 (#6)

Long Context benchmarks
BenchmarkGemini 3.7 Flasho3
LMArena Longer Query14921372
Fiction.LiveBench—88.9%
CL-bench—17.8%

Writing & Preference Gemini 3.7 Flash leads

Gemini 3.7 Flash: 71.2 (#20), o3: 63.5 (#64)

Writing & Preference benchmarks
BenchmarkGemini 3.7 Flasho3
LMArena Text14861410
LMArena Creative Writing14901359
EQ-Bench Creative Writing17231676
LMArena Multi-Turn14891405
Short-Story Creative Writing—83.9%
WildBench—86.1%

Frequently asked questions

Is Gemini 3.7 Flash better than o3?

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 47.5 on the Noometry Index.

Which is cheaper, Gemini 3.7 Flash or o3?

Gemini 3.7 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; o3 lists at $2 and $8.

Is Gemini 3.7 Flash or o3 better for coding?

Gemini 3.7 Flash scores higher on coding benchmarks: 56.2 versus 46.8 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.7 Flash does, with 1.05M tokens against 200K.

How many benchmarks do Gemini 3.7 Flash and o3 share?

32 benchmarks have published results for both models. Gemini 3.7 Flash has 44 scored results on Noometry and o3 has 63.

Related comparisons

Go deeper