Model comparison

Gemini 3 Deep Think vs Grok 3

Grok 3 has enough public results to be ranked (#157); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

Last verified . 2 shared benchmarks.

Gemini 3 Deep Think Google

58.3

Unranked Sparse

Grok 3 xAI

39.9

Rank #157 Confirmed

Summary

  • They share 2 benchmarks with published results for both. Gemini 3 Deep Think scores higher in 1 category and Grok 3 in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3 Deep Think leads 70.2 to 13.7.
  • The biggest single-benchmark swing is ARC-AGI-1: 96% for Gemini 3 Deep Think and 5.5% for Grok 3.

Side by side

Gemini 3 Deep Think and Grok 3 specifications
Gemini 3 Deep ThinkGrok 3
ProviderGooglexAI
Noometry Index58.339.9
Released2026-02-122025-04-09
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked340

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Not comparable

Gemini 3 Deep Think: —, Grok 3: 41.9 (#115)

Coding benchmarks
BenchmarkGemini 3 Deep ThinkGrok 3
Aider Polyglot—53.3%
WeirdML—37.2%
LMArena Coding—1432

Agentic & Tool Use Not comparable

Gemini 3 Deep Think: —, Grok 3: 30.5 (#76)

Agentic & Tool Use benchmarks
BenchmarkGemini 3 Deep ThinkGrok 3
BALROG—29.5%

Reasoning Gemini 3 Deep Think leads

Gemini 3 Deep Think: 70.2 (#14), Grok 3: 13.7 (#333)

Reasoning benchmarks
BenchmarkGemini 3 Deep ThinkGrok 3
ARC-AGI-284.6%0%
ARC-AGI-196%5.5%
SimpleBench—36.1%
Kagi LLM Benchmark—61.3%
CritPt25.7%—
LMArena Hard Prompts—1434
Epoch Capabilities Index—138.33

Math Not comparable

Gemini 3 Deep Think: —, Grok 3: 38.0 (#145)

Math benchmarks
BenchmarkGemini 3 Deep ThinkGrok 3
OTIS Mock AIME 2024-2025—55.6%
Omni-MATH—46.4%
LMArena Math—1391
MATH Level 5—88.7%
FrontierMath (Feb 2025 set)—3.8%
FrontierMath Tier 4 (v1)—0%

Knowledge Not comparable

Gemini 3 Deep Think: —, Grok 3: 46.2 (#82)

Knowledge benchmarks
BenchmarkGemini 3 Deep ThinkGrok 3
GPQA Diamond—75.8%
MMLU-Pro—78.8%
Confabulations—14.2%
Vectara Hallucination Rate—5.8%
GPQA (HELM)—65%
LMArena Expert—1421

Multilingual Not comparable

Gemini 3 Deep Think: —, Grok 3: 52.3 (#87)

Multilingual benchmarks
BenchmarkGemini 3 Deep ThinkGrok 3
LMArena Non-English—1410
LMArena Chinese—1448
LMArena French—1460
LMArena German—1431
LMArena Japanese—1387
LMArena Korean—1373
LMArena Russian—1416
LMArena Spanish—1417

Instruction Following Not comparable

Gemini 3 Deep Think: —, Grok 3: 75.0 (#73)

Instruction Following benchmarks
BenchmarkGemini 3 Deep ThinkGrok 3
IFEval—88.4%
LMArena Instruction Following—1409

Long Context Not comparable

Gemini 3 Deep Think: —, Grok 3: 38.7 (#192)

Long Context benchmarks
BenchmarkGemini 3 Deep ThinkGrok 3
Fiction.LiveBench—58.3%
LMArena Longer Query—1439

Writing & Preference Not comparable

Gemini 3 Deep Think: —, Grok 3: 55.8 (#141)

Writing & Preference benchmarks
BenchmarkGemini 3 Deep ThinkGrok 3
LMArena Text—1426
LMArena Creative Writing—1414
Short-Story Creative Writing—76.4%
EQ-Bench Creative Writing—1186
WildBench—84.9%
LMArena Multi-Turn—1425

Frequently asked questions

Is Gemini 3 Deep Think better than Grok 3?

Grok 3 has enough public results to be ranked (#157); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

How many benchmarks do Gemini 3 Deep Think and Grok 3 share?

2 benchmarks have published results for both models. Gemini 3 Deep Think has 3 scored results on Noometry and Grok 3 has 40.

Related comparisons

Go deeper