Noometry

Model comparison

DeepSeek V4.1 Flash vs Grok Build 0.1

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 35.8 on the Noometry Index.

Last verified . 2 shared benchmarks.

DeepSeek V4.1 Flash DeepSeek

50.3

Rank #40 Confirmed

Grok Build 0.1 xAI

35.8

Rank #214 Reported

Summary

  • They share 2 benchmarks with published results for both. DeepSeek V4.1 Flash scores higher in 2 categories and Grok Build 0.1 in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where DeepSeek V4.1 Flash leads 46.2 to 31.3.
  • The biggest single-benchmark swing is CritPt: 14.3% for DeepSeek V4.1 Flash and 9.1% for Grok Build 0.1.
  • DeepSeek V4.1 Flash is cheaper at $0.15 / $0.60 per million input/output tokens, against $1 / $2 for Grok Build 0.1.
  • DeepSeek V4.1 Flash accepts more context: 1M tokens versus 256K.
  • DeepSeek V4.1 Flash has downloadable open weights; the other is API-only.

Side by side

DeepSeek V4.1 FlashGrok Build 0.1
ProviderDeepSeekxAI
Noometry Index50.335.8
Released2026-09-092026-04-16
WeightsOpenProprietary
Context window1M256K
Max output393K256K
Input $ / M tokens$0.15$1
Output $ / M tokens$0.60$2
Results tracked253

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Category by category

Coding DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 52.8 (#29), Grok Build 0.1: 42.5 (#90)

BenchmarkDeepSeek V4.1 FlashGrok Build 0.1
SciCode51.9%50.2%
LMArena WebDev1620—
LMArena Coding1511—
ALE-Bench1,092—

Agentic & Tool Use Not comparable

DeepSeek V4.1 Flash: —, Grok Build 0.1: 22.5 (#122)

BenchmarkDeepSeek V4.1 FlashGrok Build 0.1
GBAEval—2.4%

Reasoning DeepSeek V4.1 Flash leads

DeepSeek V4.1 Flash: 46.2 (#39), Grok Build 0.1: 31.3 (#73)

BenchmarkDeepSeek V4.1 FlashGrok Build 0.1
CritPt14.3%9.1%
NYT Connections (extended)89.6%—
LMArena Hard Prompts1485—
DTBench89.9%—
LMCA47%—
Surface Evolver Bench46.3%—
Epoch Capabilities Index155.01—

Math Not comparable

DeepSeek V4.1 Flash: 48.4 (#52), Grok Build 0.1: —

BenchmarkDeepSeek V4.1 FlashGrok Build 0.1
ProofBench54%—
LMArena Math1493—

Knowledge Not comparable

DeepSeek V4.1 Flash: 41.6 (#97), Grok Build 0.1: —

BenchmarkDeepSeek V4.1 FlashGrok Build 0.1
LMArena Expert1505—

Multilingual Not comparable

DeepSeek V4.1 Flash: 55.5 (#29), Grok Build 0.1: —

BenchmarkDeepSeek V4.1 FlashGrok Build 0.1
LMArena Non-English1452—
LMArena Chinese1506—
LMArena French1448—
LMArena Russian1473—
LMArena Spanish1499—

Instruction Following Not comparable

DeepSeek V4.1 Flash: 77.6 (#24), Grok Build 0.1: —

BenchmarkDeepSeek V4.1 FlashGrok Build 0.1
LMArena Instruction Following1475—

Long Context Not comparable

DeepSeek V4.1 Flash: 45.2 (#46), Grok Build 0.1: —

BenchmarkDeepSeek V4.1 FlashGrok Build 0.1
LMArena Longer Query1476—

Writing & Preference Not comparable

DeepSeek V4.1 Flash: 65.8 (#43), Grok Build 0.1: —

BenchmarkDeepSeek V4.1 FlashGrok Build 0.1
LMArena Text1465—
LMArena Creative Writing1436—
EQ-Bench Creative Writing1540—
LMArena Multi-Turn1460—

Frequently asked questions

Is DeepSeek V4.1 Flash better than Grok Build 0.1?

DeepSeek V4.1 Flash is the stronger model overall, scoring 50.3 to 35.8 on the Noometry Index.

Which is cheaper, DeepSeek V4.1 Flash or Grok Build 0.1?

DeepSeek V4.1 Flash is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Grok Build 0.1 lists at $1 and $2.

Is DeepSeek V4.1 Flash or Grok Build 0.1 better for coding?

DeepSeek V4.1 Flash scores higher on coding benchmarks: 52.8 versus 42.5 in the Noometry coding category.

Which has the bigger context window?

DeepSeek V4.1 Flash does, with 1M tokens against 256K.

How many benchmarks do DeepSeek V4.1 Flash and Grok Build 0.1 share?

2 benchmarks have published results for both models. DeepSeek V4.1 Flash has 25 scored results on Noometry and Grok Build 0.1 has 3.

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