Model comparison

DeepSeek-V3.1 vs Grok 3

DeepSeek-V3.1 is the stronger model overall, scoring 42.8 to 39.9 on the Noometry Index.

Last verified . 24 shared benchmarks.

DeepSeek-V3.1 DeepSeek

42.8

Rank #108 Confirmed

Grok 3 xAI

39.9

Rank #157 Confirmed

Summary

  • They share 24 benchmarks with published results for both. DeepSeek-V3.1 scores higher in 3 categories and Grok 3 in 5 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek-V3.1 leads 27.9 to 13.7.
  • The biggest single-benchmark swing is Kagi LLM Benchmark: 53.2% for DeepSeek-V3.1 and 61.3% for Grok 3.
  • DeepSeek-V3.1 has downloadable open weights; the other is API-only.

Side by side

DeepSeek-V3.1 and Grok 3 specifications
DeepSeek-V3.1Grok 3
ProviderDeepSeekxAI
Noometry Index42.839.9
Released2025-08-212025-04-09
WeightsOpenProprietary
Context window164K—
Max output8K—
Input $ / M tokens$0.25—
Output $ / M tokens$0.95—
Results tracked2740

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Category by category

Coding Grok 3 leads

DeepSeek-V3.1: 40.3 (#144), Grok 3: 41.9 (#115)

Coding benchmarks
BenchmarkDeepSeek-V3.1Grok 3
WeirdML38.4%37.2%
LMArena Coding14171432
Aider Polyglot—53.3%

Agentic & Tool Use Not comparable

DeepSeek-V3.1: —, Grok 3: 30.5 (#76)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V3.1Grok 3
BALROG—29.5%

Reasoning DeepSeek-V3.1 leads

DeepSeek-V3.1: 27.9 (#110), Grok 3: 13.7 (#333)

Reasoning benchmarks
BenchmarkDeepSeek-V3.1Grok 3
SimpleBench40%36.1%
Kagi LLM Benchmark53.2%61.3%
LMArena Hard Prompts14171434
Epoch Capabilities Index139.92138.33
ARC-AGI-2—0%
ARC-AGI-1—5.5%
DTBench82.7%—
LMCA24.3%—
ForecastBench58—

Math Too close to call

DeepSeek-V3.1: 38.9 (#122), Grok 3: 38.0 (#145)

Math benchmarks
BenchmarkDeepSeek-V3.1Grok 3
LMArena Math14201391
OTIS Mock AIME 2024-2025—55.6%
Omni-MATH—46.4%
MATH Level 5—88.7%
FrontierMath (Feb 2025 set)—3.8%
FrontierMath Tier 4 (v1)—0%

Knowledge Grok 3 leads

DeepSeek-V3.1: 43.7 (#90), Grok 3: 46.2 (#82)

Knowledge benchmarks
BenchmarkDeepSeek-V3.1Grok 3
Vectara Hallucination Rate5.5%5.8%
LMArena Expert14051421
GPQA Diamond—75.8%
MMLU-Pro—78.8%
Confabulations—14.2%
GPQA (HELM)—65%

Multilingual Too close to call

DeepSeek-V3.1: 51.6 (#106), Grok 3: 52.3 (#87)

Multilingual benchmarks
BenchmarkDeepSeek-V3.1Grok 3
LMArena Non-English14001410
LMArena Chinese14691448
LMArena French14471460
LMArena German14111431
LMArena Japanese13781387
LMArena Korean13371373
LMArena Russian14051416
LMArena Spanish14311417

Instruction Following Grok 3 leads

DeepSeek-V3.1: 73.9 (#110), Grok 3: 75.0 (#73)

Instruction Following benchmarks
BenchmarkDeepSeek-V3.1Grok 3
LMArena Instruction Following14001409
IFEval—88.4%

Long Context Grok 3 leads

DeepSeek-V3.1: 36.3 (#232), Grok 3: 38.7 (#192)

Long Context benchmarks
BenchmarkDeepSeek-V3.1Grok 3
Fiction.LiveBench52.8%58.3%
LMArena Longer Query14221439

Writing & Preference DeepSeek-V3.1 leads

DeepSeek-V3.1: 60.3 (#98), Grok 3: 55.8 (#141)

Writing & Preference benchmarks
BenchmarkDeepSeek-V3.1Grok 3
LMArena Text14201426
LMArena Creative Writing14011414
EQ-Bench Creative Writing14361186
LMArena Multi-Turn14081425
Short-Story Creative Writing—76.4%
WildBench—84.9%

Frequently asked questions

Is DeepSeek-V3.1 better than Grok 3?

DeepSeek-V3.1 is the stronger model overall, scoring 42.8 to 39.9 on the Noometry Index.

Is DeepSeek-V3.1 or Grok 3 better for coding?

Grok 3 scores higher on coding benchmarks: 41.9 versus 40.3 in the Noometry coding category.

How many benchmarks do DeepSeek-V3.1 and Grok 3 share?

24 benchmarks have published results for both models. DeepSeek-V3.1 has 27 scored results on Noometry and Grok 3 has 40.

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