Noometry

Model comparison

Gemini 3.6 Flash vs Grok 4.20 Multi-Agent

Gemini 3.6 Flash is the stronger model overall, scoring 54.1 to 46.2 on the Noometry Index.

Last verified . 19 shared benchmarks.

Gemini 3.6 Flash Google

54.1

Rank #33 Confirmed

Grok 4.20 Multi-Agent xAI

46.2

Rank #65 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Gemini 3.6 Flash scores higher in 8 categories and Grok 4.20 Multi-Agent in 1 category; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 3.6 Flash leads 67.8 to 40.4.
  • Both cost about the same: $0.75 input and $3.75 output per million tokens.
  • Gemini 3.6 Flash accepts more context: 1.05M tokens versus 1M.

Side by side

Gemini 3.6 FlashGrok 4.20 Multi-Agent
ProviderGooglexAI
Noometry Index54.146.2
Released2026-07-212026-03-09
WeightsProprietaryProprietary
Context window1.05M1M
Max output66K30K
Input $ / M tokens$0.75$1.25
Output $ / M tokens$3.75$2.50
Results tracked4620

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Category by category

Coding Gemini 3.6 Flash leads

Gemini 3.6 Flash: 50.0 (#48), Grok 4.20 Multi-Agent: 43.0 (#92)

BenchmarkGemini 3.6 FlashGrok 4.20 Multi-Agent
LMArena Coding14911457
DeepSWE46.7%—
FrontierCode34.4%—
LMArena WebDev1538—
SciCode52.7%—
WeirdML56.1%—
ALE-Bench715.52—

Agentic & Tool Use Not comparable

Gemini 3.6 Flash: 32.3 (#65), Grok 4.20 Multi-Agent: —

BenchmarkGemini 3.6 FlashGrok 4.20 Multi-Agent
APEX-Agents46.9%—
GDP.pdf14%—
LMArena Search—1204

Reasoning Gemini 3.6 Flash leads

Gemini 3.6 Flash: 58.8 (#22), Grok 4.20 Multi-Agent: 43.9 (#48)

BenchmarkGemini 3.6 FlashGrok 4.20 Multi-Agent
NYT Connections (extended)89%89.6%
LMArena Hard Prompts14851448
ARC-AGI-260.4%—
ARC-AGI-191.2%—
CritPt10.6%—
Chess Puzzles43%—
Mystery Game Puzzles30%—
DTBench95.5%—
LMCA44.9%—
Epoch Capabilities Index154.25—

Math Gemini 3.6 Flash leads

Gemini 3.6 Flash: 57.3 (#40), Grok 4.20 Multi-Agent: 39.4 (#104)

BenchmarkGemini 3.6 FlashGrok 4.20 Multi-Agent
LMArena Math15051442
FrontierMath (Tiers 1-3)58.9%—
FrontierMath Tier 422%—
MathArena Final-Answer Competitions70.8%—
OTIS Mock AIME 2024-202594.2%—
ProofBench36%—

Knowledge Gemini 3.6 Flash leads

Gemini 3.6 Flash: 67.8 (#8), Grok 4.20 Multi-Agent: 40.4 (#119)

BenchmarkGemini 3.6 FlashGrok 4.20 Multi-Agent
LMArena Expert14881445
GPQA Diamond94.1%—
SimpleQA Verified66.2%—

Multimodal Grok 4.20 Multi-Agent leads

Gemini 3.6 Flash: 38.5 (#64), Grok 4.20 Multi-Agent: 40.5 (#48)

BenchmarkGemini 3.6 FlashGrok 4.20 Multi-Agent
LMArena Vision12981259
Blueprint-Bench 231.2%—
Furniture Assembly23.3%—
LMArena Document1456—

Multilingual Gemini 3.6 Flash leads

Gemini 3.6 Flash: 56.5 (#19), Grok 4.20 Multi-Agent: 54.4 (#43)

BenchmarkGemini 3.6 FlashGrok 4.20 Multi-Agent
LMArena Non-English14691440
LMArena Chinese15311475
LMArena French15041466
LMArena German14781456
LMArena Japanese14761405
LMArena Korean14311416
LMArena Russian14871457
LMArena Spanish14751447

Instruction Following Gemini 3.6 Flash leads

Gemini 3.6 Flash: 77.0 (#33), Grok 4.20 Multi-Agent: 74.8 (#84)

BenchmarkGemini 3.6 FlashGrok 4.20 Multi-Agent
LMArena Instruction Following14661420

Long Context Gemini 3.6 Flash leads

Gemini 3.6 Flash: 45.1 (#50), Grok 4.20 Multi-Agent: 43.7 (#88)

BenchmarkGemini 3.6 FlashGrok 4.20 Multi-Agent
LMArena Longer Query14741431

Writing & Preference Gemini 3.6 Flash leads

Gemini 3.6 Flash: 68.2 (#27), Grok 4.20 Multi-Agent: 64.0 (#59)

BenchmarkGemini 3.6 FlashGrok 4.20 Multi-Agent
LMArena Text14791450
LMArena Creative Writing14651436
LMArena Multi-Turn14811452
EQ-Bench Creative Writing1604—

Frequently asked questions

Is Gemini 3.6 Flash better than Grok 4.20 Multi-Agent?

Gemini 3.6 Flash is the stronger model overall, scoring 54.1 to 46.2 on the Noometry Index.

Which is cheaper, Gemini 3.6 Flash or Grok 4.20 Multi-Agent?

Gemini 3.6 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

Is Gemini 3.6 Flash or Grok 4.20 Multi-Agent better for coding?

Gemini 3.6 Flash scores higher on coding benchmarks: 50.0 versus 43.0 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.6 Flash does, with 1.05M tokens against 1M.

How many benchmarks do Gemini 3.6 Flash and Grok 4.20 Multi-Agent share?

19 benchmarks have published results for both models. Gemini 3.6 Flash has 46 scored results on Noometry and Grok 4.20 Multi-Agent has 20.

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