Noometry

Model comparison

DeepSeek V4 Flash vs Grok 4.1

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 41.5 on the Noometry Index.

Last verified . 18 shared benchmarks.

DeepSeek V4 Flash DeepSeek

53.6

Rank #35 Confirmed

Grok 4.1 xAI

41.5

Rank #134 Confirmed

Summary

  • They share 18 benchmarks with published results for both. DeepSeek V4 Flash scores higher in 7 categories and Grok 4.1 in 1 category; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek V4 Flash leads 53.7 to 29.5.
  • DeepSeek V4 Flash has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4 FlashGrok 4.1
ProviderDeepSeekxAI
Noometry Index53.641.5
Released2026-04-242025-11-17
WeightsOpenProprietary
Context window1M—
Max output393K—
Input $ / M tokens$0.15—
Output $ / M tokens$0.60—
Results tracked4119

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Category by category

Coding DeepSeek V4 Flash leads

DeepSeek V4 Flash: 47.9 (#59), Grok 4.1: 33.7 (#253)

BenchmarkDeepSeek V4 FlashGrok 4.1
LMArena WebDev15821214
LMArena Coding14571445
FrontierCode18.8%—
SciCode49.9%—
WeirdML63%—
ALE-Bench1,306—

Agentic & Tool Use Not comparable

DeepSeek V4 Flash: —, Grok 4.1: 34.1 (#49)

BenchmarkDeepSeek V4 FlashGrok 4.1
Cybench—39%

Reasoning DeepSeek V4 Flash leads

DeepSeek V4 Flash: 53.7 (#30), Grok 4.1: 29.5 (#91)

BenchmarkDeepSeek V4 FlashGrok 4.1
LMArena Hard Prompts14441435
ARC-AGI-261.4%—
SimpleBench61.1%—
Kagi LLM Benchmark52.2%—
NYT Connections (extended)89.6%—
ARC-AGI-189%—
CritPt16.6%—
Chess Puzzles33%—
Mystery Game Puzzles34%—
DTBench90.9%—
LMCA41.7%—
Epoch Capabilities Index154.49—

Math DeepSeek V4 Flash leads

DeepSeek V4 Flash: 60.3 (#37), Grok 4.1: 38.9 (#120)

BenchmarkDeepSeek V4 FlashGrok 4.1
LMArena Math14271422
FrontierMath (Tiers 1-3)57.5%—
FrontierMath Tier 424.4%—
MathArena Final-Answer Competitions76.5%—
OTIS Mock AIME 2024-202594.4%—
ProofBench56%—

Knowledge DeepSeek V4 Flash leads

DeepSeek V4 Flash: 55.4 (#48), Grok 4.1: 39.5 (#133)

BenchmarkDeepSeek V4 FlashGrok 4.1
LMArena Expert14411417
GPQA Diamond91%—
SimpleQA Verified33.6%—

Multilingual Too close to call

DeepSeek V4 Flash: 53.0 (#72), Grok 4.1: 53.4 (#68)

BenchmarkDeepSeek V4 FlashGrok 4.1
LMArena Non-English14201425
LMArena Chinese14681465
LMArena French14391448
LMArena German14181446
LMArena Japanese14061397
LMArena Korean13841407
LMArena Russian14281434
LMArena Spanish14361438

Instruction Following DeepSeek V4 Flash leads

DeepSeek V4 Flash: 74.9 (#81), Grok 4.1: 73.8 (#111)

BenchmarkDeepSeek V4 FlashGrok 4.1
LMArena Instruction Following14211400

Long Context Too close to call

DeepSeek V4 Flash: 43.8 (#85), Grok 4.1: 43.2 (#100)

BenchmarkDeepSeek V4 FlashGrok 4.1
LMArena Longer Query14341416

Writing & Preference DeepSeek V4 Flash leads

DeepSeek V4 Flash: 63.8 (#61), Grok 4.1: 62.4 (#75)

BenchmarkDeepSeek V4 FlashGrok 4.1
LMArena Text14321437
LMArena Creative Writing14031411
LMArena Multi-Turn14491437
EQ-Bench Creative Writing1559—

Frequently asked questions

Is DeepSeek V4 Flash better than Grok 4.1?

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 41.5 on the Noometry Index.

Is DeepSeek V4 Flash or Grok 4.1 better for coding?

DeepSeek V4 Flash scores higher on coding benchmarks: 47.9 versus 33.7 in the Noometry coding category.

How many benchmarks do DeepSeek V4 Flash and Grok 4.1 share?

18 benchmarks have published results for both models. DeepSeek V4 Flash has 41 scored results on Noometry and Grok 4.1 has 19.

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