Model comparison

Gemini 3 Deep Think vs Grok 4.6

Grok 4.6 has enough public results to be ranked (#21); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

Last verified . 3 shared benchmarks.

Gemini 3 Deep Think Google

58.3

Unranked Sparse

Grok 4.6 xAI

56.9

Rank #21 Confirmed

Summary

  • They share 3 benchmarks with published results for both. Gemini 3 Deep Think scores higher in 1 category and Grok 4.6 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 61.4.
  • The biggest single-benchmark swing is ARC-AGI-2: 84.6% for Gemini 3 Deep Think and 67.1% for Grok 4.6.

Side by side

Gemini 3 Deep Think and Grok 4.6 specifications
Gemini 3 Deep ThinkGrok 4.6
ProviderGooglexAI
Noometry Index58.356.9
Released2026-02-122026-08-12
WeightsProprietaryProprietary
Context window—500K
Max output—500K
Input $ / M tokens—$2
Output $ / M tokens—$6
Results tracked349

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Category by category

Coding Not comparable

Gemini 3 Deep Think: —, Grok 4.6: 58.5 (#16)

Coding benchmarks
BenchmarkGemini 3 Deep ThinkGrok 4.6
DeepSWE—67.5%
FrontierCode—48%
CursorBench—41.4%
LMArena WebDev—1617
FrontierSWE—25.3%
SciCode—56.5%
WeirdML—67.3%
LMArena Coding—1465
ALE-Bench—1,508

Agentic & Tool Use Not comparable

Gemini 3 Deep Think: —, Grok 4.6: 39.4 (#27)

Agentic & Tool Use benchmarks
BenchmarkGemini 3 Deep ThinkGrok 4.6
APEX-Agents—65.3%
GDP.pdf—17.2%
Vending-Bench 2—9,047

Reasoning Gemini 3 Deep Think leads

Gemini 3 Deep Think: 70.2 (#14), Grok 4.6: 61.4 (#20)

Reasoning benchmarks
BenchmarkGemini 3 Deep ThinkGrok 4.6
ARC-AGI-284.6%67.1%
ARC-AGI-196%87.5%
CritPt25.7%19.7%
SimpleBench—75.9%
NYT Connections (extended)—80%
Chess Puzzles—40%
EBR-Bench—30.5%
LMArena Hard Prompts—1447
Mystery Game Puzzles—34%
DTBench—97.3%
LMCA—48.5%
Epoch Capabilities Index—156.44

Math Not comparable

Gemini 3 Deep Think: —, Grok 4.6: 67.0 (#24)

Math benchmarks
BenchmarkGemini 3 Deep ThinkGrok 4.6
FrontierMath (Tiers 1-3)—66%
FrontierMath Tier 4—31.7%
OTIS Mock AIME 2024-2025—99.2%
ProofBench—51%
LMArena Math—1423

Knowledge Not comparable

Gemini 3 Deep Think: —, Grok 4.6: 63.3 (#20)

Knowledge benchmarks
BenchmarkGemini 3 Deep ThinkGrok 4.6
GPQA Diamond—94%
SimpleQA Verified—49.3%
LMArena Expert—1467

Multimodal Not comparable

Gemini 3 Deep Think: —, Grok 4.6: 43.6 (#23)

Multimodal benchmarks
BenchmarkGemini 3 Deep ThinkGrok 4.6
LMArena Vision—1263
Blueprint-Bench 2—33.2%
Furniture Assembly—40%
LMArena Document—1452

Multilingual Not comparable

Gemini 3 Deep Think: —, Grok 4.6: 53.0 (#74)

Multilingual benchmarks
BenchmarkGemini 3 Deep ThinkGrok 4.6
LMArena Non-English—1420
LMArena Chinese—1480
LMArena French—1461
LMArena German—1431
LMArena Japanese—1376
LMArena Korean—1397
LMArena Russian—1422
LMArena Spanish—1404

Instruction Following Not comparable

Gemini 3 Deep Think: —, Grok 4.6: 75.4 (#63)

Instruction Following benchmarks
BenchmarkGemini 3 Deep ThinkGrok 4.6
LMArena Instruction Following—1431

Long Context Not comparable

Gemini 3 Deep Think: —, Grok 4.6: 44.5 (#66)

Long Context benchmarks
BenchmarkGemini 3 Deep ThinkGrok 4.6
LMArena Longer Query—1454

Writing & Preference Not comparable

Gemini 3 Deep Think: —, Grok 4.6: 62.3 (#80)

Writing & Preference benchmarks
BenchmarkGemini 3 Deep ThinkGrok 4.6
LMArena Text—1428
LMArena Creative Writing—1428
LMArena Multi-Turn—1425

Frequently asked questions

Is Gemini 3 Deep Think better than Grok 4.6?

Grok 4.6 has enough public results to be ranked (#21); Gemini 3 Deep Think does not yet, so treat this comparison as directional.

How many benchmarks do Gemini 3 Deep Think and Grok 4.6 share?

3 benchmarks have published results for both models. Gemini 3 Deep Think has 3 scored results on Noometry and Grok 4.6 has 49.

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