Noometry

Model comparison

Gemini 4 Argon vs Grok 4.20 (Non-Reasoning)

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 48.6 on the Noometry Index.

Last verified . 17 shared benchmarks.

Gemini 4 Argon Google

56.5

Rank #24 Confirmed

Grok 4.20 (Non-Reasoning) xAI

48.6

Rank #54 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Gemini 4 Argon scores higher in 8 categories and Grok 4.20 (Non-Reasoning) in 2 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 4 Argon leads 73.9 to 48.2.
  • The biggest single-benchmark swing is ProofBench: 99% for Gemini 4 Argon and 14% for Grok 4.20 (Non-Reasoning).

Side by side

Gemini 4 ArgonGrok 4.20 (Non-Reasoning)
ProviderGooglexAI
Noometry Index56.548.6
Released2026-09-302026-02-17
WeightsProprietaryProprietary
Context window—1M
Max output—30K
Input $ / M tokens—$1.25
Output $ / M tokens—$2.50
Results tracked2146

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Category by category

Coding Gemini 4 Argon leads

Gemini 4 Argon: 62.0 (#9), Grok 4.20 (Non-Reasoning): 42.1 (#112)

BenchmarkGemini 4 ArgonGrok 4.20 (Non-Reasoning)
LMArena WebDev16781375
LMArena Coding15501459
FrontierSWE55%—
SciCode61.8%—
WeirdML—52.3%
ALE-Bench—1,150

Agentic & Tool Use Gemini 4 Argon leads

Gemini 4 Argon: 49.2 (#8), Grok 4.20 (Non-Reasoning): 34.4 (#46)

BenchmarkGemini 4 ArgonGrok 4.20 (Non-Reasoning)
Vending-Bench 213,7184,663
Terminal-Bench—57.3%
APEX-Agents82.2%—
τ²-bench Banking—18%
LMArena Search—1189

Reasoning Grok 4.20 (Non-Reasoning) leads

Gemini 4 Argon: 44.2 (#47), Grok 4.20 (Non-Reasoning): 52.3 (#32)

BenchmarkGemini 4 ArgonGrok 4.20 (Non-Reasoning)
LMArena Hard Prompts15481451
ARC-AGI-2—65.1%
Kagi LLM Benchmark—75%
NYT Connections (extended)—85.4%
ARC-AGI-1—89.5%
CritPt27.1%—
Chess Puzzles—24%
Thematic Generalization—63.8%
DTBench—90.1%
LMCA—38.7%
Epoch Capabilities Index—151.98
ForecastBench—61.4

Math Gemini 4 Argon leads

Gemini 4 Argon: 73.9 (#17), Grok 4.20 (Non-Reasoning): 48.2 (#65)

BenchmarkGemini 4 ArgonGrok 4.20 (Non-Reasoning)
ProofBench99%14%
LMArena Math15361455
FrontierMath (Tiers 1-3)—44.9%
FrontierMath Tier 4—17.1%
OTIS Mock AIME 2024-2025—92.2%

Knowledge Grok 4.20 (Non-Reasoning) leads

Gemini 4 Argon: 43.9 (#89), Grok 4.20 (Non-Reasoning): 52.8 (#60)

BenchmarkGemini 4 ArgonGrok 4.20 (Non-Reasoning)
LMArena Expert15531439
GPQA Diamond—89.3%
SimpleQA Verified—30.2%

Multimodal Gemini 4 Argon leads

Gemini 4 Argon: 46.5 (#14), Grok 4.20 (Non-Reasoning): 33.3 (#98)

BenchmarkGemini 4 ArgonGrok 4.20 (Non-Reasoning)
Blueprint-Bench 254.4%0%
LMArena Vision—1263
LMArena Document—1416

Multilingual Gemini 4 Argon leads

Gemini 4 Argon: 60.3 (#1), Grok 4.20 (Non-Reasoning): 54.5 (#40)

BenchmarkGemini 4 ArgonGrok 4.20 (Non-Reasoning)
LMArena Non-English15231441
LMArena Chinese16101481
LMArena Russian15371458
LMArena Spanish14971443
LMArena French—1476
LMArena German—1465
LMArena Japanese—1449
LMArena Korean—1417

Instruction Following Gemini 4 Argon leads

Gemini 4 Argon: 80.1 (#2), Grok 4.20 (Non-Reasoning): 74.8 (#83)

BenchmarkGemini 4 ArgonGrok 4.20 (Non-Reasoning)
LMArena Instruction Following15381420

Long Context Gemini 4 Argon leads

Gemini 4 Argon: 47.6 (#15), Grok 4.20 (Non-Reasoning): 45.5 (#34)

BenchmarkGemini 4 ArgonGrok 4.20 (Non-Reasoning)
LMArena Longer Query15491437
CL-bench—22.2%
CL-bench Life—11.9%

Writing & Preference Gemini 4 Argon leads

Gemini 4 Argon: 71.4 (#19), Grok 4.20 (Non-Reasoning): 65.7 (#44)

BenchmarkGemini 4 ArgonGrok 4.20 (Non-Reasoning)
LMArena Text15341451
LMArena Creative Writing15311438
LMArena Multi-Turn15571456
EQ-Bench Creative Writing—1574

Frequently asked questions

Is Gemini 4 Argon better than Grok 4.20 (Non-Reasoning)?

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 48.6 on the Noometry Index.

Is Gemini 4 Argon or Grok 4.20 (Non-Reasoning) better for coding?

Gemini 4 Argon scores higher on coding benchmarks: 62.0 versus 42.1 in the Noometry coding category.

How many benchmarks do Gemini 4 Argon and Grok 4.20 (Non-Reasoning) share?

17 benchmarks have published results for both models. Gemini 4 Argon has 21 scored results on Noometry and Grok 4.20 (Non-Reasoning) has 46.

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