Noometry

Model comparison

Gemini 3.5 Flash vs Grok 4.7

Gemini 3.5 Flash is the stronger model overall, scoring 54.1 to 46.6 on the Noometry Index.

Last verified . 17 shared benchmarks.

Gemini 3.5 Flash Google

54.1

Rank #29 Confirmed

Grok 4.7 xAI

46.6

Rank #56 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Gemini 3.5 Flash scores higher in 7 categories and Grok 4.7 in 2 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 3.5 Flash leads 66.3 to 38.7.
  • The biggest single-benchmark swing is NYT Connections (extended): 92.6% for Gemini 3.5 Flash and 76.8% for Grok 4.7.
  • Grok 4.7 is cheaper at $2 / $6 per million input/output tokens, against $1.50 / $9 for Gemini 3.5 Flash.
  • Gemini 3.5 Flash accepts more context: 1.05M tokens versus 500K.

Side by side

Gemini 3.5 FlashGrok 4.7
ProviderGooglexAI
Noometry Index54.146.6
Released2026-05-192026-09-21
WeightsProprietaryProprietary
Context window1.05M500K
Max output66K500K
Input $ / M tokens$1.50$2
Output $ / M tokens$9$6
Results tracked5421

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Category by category

Coding Grok 4.7 leads

Gemini 3.5 Flash: 49.1 (#46), Grok 4.7: 55.0 (#23)

BenchmarkGemini 3.5 FlashGrok 4.7
LMArena WebDev14991636
SciCode53.1%57.4%
LMArena Coding14921423
SWE-bench Verified79.3%—
DeepSWE37.4%—
CursorBench—46.3%
FrontierSWE—29.5%
WeirdML62.6%—
ALE-Bench911.02—

Agentic & Tool Use Not comparable

Gemini 3.5 Flash: 24.8 (#107), Grok 4.7: —

BenchmarkGemini 3.5 FlashGrok 4.7
APEX-Agents27.5%—
GBAEval6.7%—
GDP.pdf14%—
Vending-Bench 25,396—

Reasoning Gemini 3.5 Flash leads

Gemini 3.5 Flash: 62.7 (#16), Grok 4.7: 40.1 (#49)

BenchmarkGemini 3.5 FlashGrok 4.7
NYT Connections (extended)92.6%76.8%
CritPt13.1%17.7%
LMArena Hard Prompts14881409
ARC-AGI-272.1%—
SimpleBench76.7%—
ARC-AGI-192.5%—
Chess Puzzles50%—
EnigmaEval25.4%—
EBR-Bench4.8%—
Mystery Game Puzzles32%—
DTBench94.7%—
LMCA47.1%—
Surface Evolver Bench58.1%—
Epoch Capabilities Index154.55—
ForecastBench59—

Math Gemini 3.5 Flash leads

Gemini 3.5 Flash: 60.5 (#30), Grok 4.7: 41.1 (#73)

BenchmarkGemini 3.5 FlashGrok 4.7
ProofBench31%34%
LMArena Math15021393
FrontierMath (Tiers 1-3)62.8%—
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions76.3%—
OTIS Mock AIME 2024-202595.6%—
FrontierMath (Feb 2025 set)39%—
FrontierMath Tier 4 (v1)14.6%—

Knowledge Gemini 3.5 Flash leads

Gemini 3.5 Flash: 66.3 (#10), Grok 4.7: 38.7 (#130)

BenchmarkGemini 3.5 FlashGrok 4.7
LMArena Expert14931413
GPQA Diamond92.8%—
SimpleQA Verified66.2%—

Multimodal Gemini 3.5 Flash leads

Gemini 3.5 Flash: 45.7 (#13), Grok 4.7: 28.8 (#107)

BenchmarkGemini 3.5 FlashGrok 4.7
LMArena Vision1311—
Blueprint-Bench 233.6%—
Furniture Assembly—20.8%
LMArena Document1463—

Multilingual Gemini 3.5 Flash leads

Gemini 3.5 Flash: 57.1 (#12), Grok 4.7: 51.2 (#108)

BenchmarkGemini 3.5 FlashGrok 4.7
LMArena Non-English14751392
LMArena Chinese15251476
LMArena Russian14911396
LMArena French1490—
LMArena German1500—
LMArena Japanese1481—
LMArena Korean1453—
LMArena Spanish1478—

Instruction Following Gemini 3.5 Flash leads

Gemini 3.5 Flash: 77.2 (#29), Grok 4.7: 74.3 (#98)

BenchmarkGemini 3.5 FlashGrok 4.7
LMArena Instruction Following14661406

Long Context Gemini 3.5 Flash leads

Gemini 3.5 Flash: 45.3 (#39), Grok 4.7: 43.2 (#97)

BenchmarkGemini 3.5 FlashGrok 4.7
LMArena Longer Query14811416

Writing & Preference Grok 4.7 leads

Gemini 3.5 Flash: 65.5 (#46), Grok 4.7: 70.1 (#23)

BenchmarkGemini 3.5 FlashGrok 4.7
LMArena Text14811397
LMArena Creative Writing14671391
LMArena Multi-Turn14821389
EQ-Bench Creative Writing—2007
EQ-Bench 41087—

Frequently asked questions

Is Gemini 3.5 Flash better than Grok 4.7?

Gemini 3.5 Flash is the stronger model overall, scoring 54.1 to 46.6 on the Noometry Index.

Which is cheaper, Gemini 3.5 Flash or Grok 4.7?

Grok 4.7 is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; Gemini 3.5 Flash lists at $1.50 and $9.

Is Gemini 3.5 Flash or Grok 4.7 better for coding?

Grok 4.7 scores higher on coding benchmarks: 55.0 versus 49.1 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.5 Flash does, with 1.05M tokens against 500K.

How many benchmarks do Gemini 3.5 Flash and Grok 4.7 share?

17 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Grok 4.7 has 21.

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