Model comparison

DeepSeek V4.1 Flash vs Grok-2 (Dec 2024)

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 33.4 on the Noometry Index.

Last verified . 16 shared benchmarks.

DeepSeek V4.1 Flash DeepSeek

50.3

Rank #40 Confirmed

Grok-2 (Dec 2024) xAI

33.4

Rank #233 Confirmed

Summary

  • They share 16 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 8 categories and Grok-2 (Dec 2024) in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek V4.1 Flash leads 46.2 to 16.4.
  • The biggest single-benchmark swing is DTBench: 89.9% for DeepSeek V4.1 Flash and 65.2% for Grok-2 (Dec 2024).
  • DeepSeek V4.1 Flash has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4.1 Flash and Grok-2 (Dec 2024) specifications
DeepSeek V4.1 FlashGrok-2 (Dec 2024)
ProviderDeepSeekxAI
Noometry Index50.333.4
Released2026-09-092024-08-13
WeightsOpenProprietary
Context window1M—
Max output393K—
Input $ / M tokens$0.15—
Output $ / M tokens$0.60—
Results tracked2534

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

Category by category

Coding DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 52.8 (#29), Grok-2 (Dec 2024): 32.9 (#254)

Coding benchmarks
BenchmarkDeepSeek V4.1 FlashGrok-2 (Dec 2024)
LMArena Coding15111288
LMArena WebDev1620—
SciCode51.9%—
WeirdML—22.2%
LiveBench Coding—46.4%
ALE-Bench1,092—

Reasoning DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 46.2 (#39), Grok-2 (Dec 2024): 16.4 (#294)

Reasoning benchmarks
BenchmarkDeepSeek V4.1 FlashGrok-2 (Dec 2024)
LMArena Hard Prompts14851272
DTBench89.9%65.2%
Epoch Capabilities Index155.01130.48
SimpleBench—22.7%
NYT Connections (extended)89.6%—
CritPt14.3%—
LiveBench Reasoning—54.8%
LiveBench Data Analysis—54.5%
LMCA47%—
Surface Evolver Bench46.3%—
LiveBench—54.3%

Math DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 48.4 (#52), Grok-2 (Dec 2024): 19.6 (#278)

Math benchmarks
BenchmarkDeepSeek V4.1 FlashGrok-2 (Dec 2024)
LMArena Math14931283
OTIS Mock AIME 2024-2025—11.5%
ProofBench54%—
LiveBench Math—54.9%
MATH Level 5—63.5%
FrontierMath (Feb 2025 set)—0.7%

Knowledge DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 41.6 (#97), Grok-2 (Dec 2024): 29.8 (#225)

Knowledge benchmarks
BenchmarkDeepSeek V4.1 FlashGrok-2 (Dec 2024)
LMArena Expert15051254
GPQA Diamond—53.8%
Confabulations—20.1%

Multilingual DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 55.5 (#29), Grok-2 (Dec 2024): 43.3 (#183)

Multilingual benchmarks
BenchmarkDeepSeek V4.1 FlashGrok-2 (Dec 2024)
LMArena Non-English14521282
LMArena Chinese15061289
LMArena French14481317
LMArena Russian14731286
LMArena Spanish14991281
LMArena German—1287
LMArena Japanese—1244
LMArena Korean—1237

Instruction Following DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 77.6 (#24), Grok-2 (Dec 2024): 67.1 (#197)

Instruction Following benchmarks
BenchmarkDeepSeek V4.1 FlashGrok-2 (Dec 2024)
LMArena Instruction Following14751270
LiveBench Instruction Following—69.6%

Long Context DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 45.2 (#46), Grok-2 (Dec 2024): 38.7 (#186)

Long Context benchmarks
BenchmarkDeepSeek V4.1 FlashGrok-2 (Dec 2024)
LMArena Longer Query14761276

Writing & Preference DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 65.8 (#43), Grok-2 (Dec 2024): 48.8 (#192)

Writing & Preference benchmarks
BenchmarkDeepSeek V4.1 FlashGrok-2 (Dec 2024)
LMArena Text14651305
LMArena Creative Writing14361284
LMArena Multi-Turn14601290
Short-Story Creative Writing—63.6%
EQ-Bench Creative Writing1540—
LiveBench Language—45.6%

Frequently asked questions

Is DeepSeek V4.1 Flash better than Grok-2 (Dec 2024)?

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 33.4 on the Noometry Index.

Is DeepSeek V4.1 Flash or Grok-2 (Dec 2024) better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.8 versus 32.9 in the Noometry coding category.

How many benchmarks do DeepSeek V4.1 Flash and Grok-2 (Dec 2024) share?

16 benchmarks have published results for both models. DeepSeek V4.1 Flash has 25 scored results on Noometry and Grok-2 (Dec 2024) has 34.

Related comparisons

Go deeper