Noometry

Model comparison

Gemini 3.7 Flash vs Grok 4.5

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 55.0 on the Noometry Index.

Last verified . 41 shared benchmarks.

Gemini 3.7 Flash Google

59.8

Rank #14 Confirmed

Grok 4.5 xAI

55.0

Rank #25 Confirmed

Summary

  • They share 41 benchmarks with published results for both. Gemini 3.7 Flash scores higher in 8 categories and Grok 4.5 in 2 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.7 Flash leads 70.0 to 56.1.
  • The biggest single-benchmark swing is ARC-AGI-2: 84.6% for Gemini 3.7 Flash and 52.6% for Grok 4.5.
  • Gemini 3.7 Flash is cheaper at $0.75 / $3.75 per million input/output tokens, against $2 / $6 for Grok 4.5.
  • Gemini 3.7 Flash accepts more context: 1.05M tokens versus 500K.

Side by side

Gemini 3.7 FlashGrok 4.5
ProviderGooglexAI
Noometry Index59.855.0
Released2026-08-132026-07-08
WeightsProprietaryProprietary
Context window1.05M500K
Max output66K500K
Input $ / M tokens$0.75$2
Output $ / M tokens$3.75$6
Results tracked4452

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Category by category

Coding Gemini 3.7 Flash leads

Gemini 3.7 Flash: 56.2 (#22), Grok 4.5: 52.2 (#35)

BenchmarkGemini 3.7 FlashGrok 4.5
DeepSWE65.5%53.8%
FrontierCode43.6%42.4%
LMArena WebDev15921553
SciCode59.8%54.1%
LMArena Coding14971474
ALE-Bench904.31,309
FrontierSWE20.3%—
WeirdML—46.4%

Agentic & Tool Use Grok 4.5 leads

Gemini 3.7 Flash: 42.1 (#19), Grok 4.5: 44.4 (#17)

BenchmarkGemini 3.7 FlashGrok 4.5
APEX-Agents67.8%56.2%
GDP.pdf23.8%14%
Remote Labor Index5%—
τ²-bench Banking—47.9%
PostTrainBench—23.4%
GBAEval—65.4%
LMArena Search—1213
Vending-Bench 2—3,887

Reasoning Gemini 3.7 Flash leads

Gemini 3.7 Flash: 70.0 (#15), Grok 4.5: 56.1 (#25)

BenchmarkGemini 3.7 FlashGrok 4.5
ARC-AGI-284.6%52.6%
NYT Connections (extended)94%79.9%
ARC-AGI-195.5%87.2%
CritPt14.3%15.4%
Chess Puzzles47%36%
LMArena Hard Prompts14941462
DTBench96.8%96.5%
LMCA50.4%45.2%
Epoch Capabilities Index157.27153.92
SimpleBench—70%
Kagi LLM Benchmark—83.5%
Mystery Game Puzzles37%—
Surface Evolver Bench—74.4%

Math Gemini 3.7 Flash leads

Gemini 3.7 Flash: 69.6 (#23), Grok 4.5: 60.9 (#35)

BenchmarkGemini 3.7 FlashGrok 4.5
FrontierMath (Tiers 1-3)71.6%57.2%
FrontierMath Tier 436.6%24.4%
OTIS Mock AIME 2024-202597.2%97.8%
ProofBench58%31%
LMArena Math15071459

Knowledge Gemini 3.7 Flash leads

Gemini 3.7 Flash: 69.7 (#5), Grok 4.5: 62.3 (#24)

BenchmarkGemini 3.7 FlashGrok 4.5
GPQA Diamond94.8%93.4%
SimpleQA Verified69.2%48.3%
LMArena Expert15081466

Multimodal Too close to call

Gemini 3.7 Flash: 37.3 (#73), Grok 4.5: 37.6 (#72)

BenchmarkGemini 3.7 FlashGrok 4.5
LMArena Vision13161288
Furniture Assembly26.7%22.5%
Blueprint-Bench 2—27.3%
LMArena Document—1452

Multilingual Gemini 3.7 Flash leads

Gemini 3.7 Flash: 57.6 (#7), Grok 4.5: 54.4 (#42)

BenchmarkGemini 3.7 FlashGrok 4.5
LMArena Non-English14841440
LMArena Chinese15481496
LMArena French15051456
LMArena German14981446
LMArena Japanese15121428
LMArena Korean14831404
LMArena Russian15161448
LMArena Spanish15031450

Instruction Following Gemini 3.7 Flash leads

Gemini 3.7 Flash: 77.7 (#15), Grok 4.5: 76.0 (#48)

BenchmarkGemini 3.7 FlashGrok 4.5
LMArena Instruction Following14831446

Long Context Too close to call

Gemini 3.7 Flash: 45.7 (#30), Grok 4.5: 44.8 (#56)

BenchmarkGemini 3.7 FlashGrok 4.5
LMArena Longer Query14921463

Writing & Preference Gemini 3.7 Flash leads

Gemini 3.7 Flash: 71.2 (#20), Grok 4.5: 65.8 (#42)

BenchmarkGemini 3.7 FlashGrok 4.5
LMArena Text14861448
LMArena Creative Writing14901442
EQ-Bench Creative Writing17231579
LMArena Multi-Turn14891456

Frequently asked questions

Is Gemini 3.7 Flash better than Grok 4.5?

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 55.0 on the Noometry Index.

Which is cheaper, Gemini 3.7 Flash or Grok 4.5?

Gemini 3.7 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; Grok 4.5 lists at $2 and $6.

Is Gemini 3.7 Flash or Grok 4.5 better for coding?

Gemini 3.7 Flash scores higher on coding benchmarks: 56.2 versus 52.2 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.7 Flash does, with 1.05M tokens against 500K.

How many benchmarks do Gemini 3.7 Flash and Grok 4.5 share?

41 benchmarks have published results for both models. Gemini 3.7 Flash has 44 scored results on Noometry and Grok 4.5 has 52.

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