Model comparison

Grok 4.1 vs Inkling-Small

Inkling-Small is the stronger model overall, scoring 46.5 to 40.8 on the Noometry Index.

Last verified . 18 shared benchmarks.

Grok 4.1 xAI

40.8

Rank #135 Confirmed

Inkling-Small Thinking Machines Lab

46.5

Rank #57 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Grok 4.1 scores higher in 4 categories and Inkling-Small in 4 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Inkling-Small leads 39.0 to 28.3.
  • Inkling-Small has downloadable open weights; the other is API-only.

Side by side

Grok 4.1 and Inkling-Small specifications
Grok 4.1Inkling-Small
ProviderxAIThinking Machines Lab
Noometry Index40.846.5
Released2025-11-172026-07-15
WeightsProprietaryOpen
Context window—524K
Max output—1.05M
Input $ / M tokens—$0.45
Output $ / M tokens—$1.20
Results tracked1933

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

Category by category

Coding Inkling-Small leads

Grok 4.1: 33.4 (#246), Inkling-Small: 43.3 (#80)

Coding benchmarks
BenchmarkGrok 4.1Inkling-Small
LMArena WebDev12141408
LMArena Coding14451451
SciCode—48.7%

Agentic & Tool Use Not comparable

Grok 4.1: 33.8 (#47), Inkling-Small: —

Agentic & Tool Use benchmarks
BenchmarkGrok 4.1Inkling-Small
Cybench39%—

Reasoning Inkling-Small leads

Grok 4.1: 28.3 (#91), Inkling-Small: 39.0 (#53)

Reasoning benchmarks
BenchmarkGrok 4.1Inkling-Small
LMArena Hard Prompts14361424
ARC-AGI-2—40.1%
ARC-AGI-1—84%
CritPt—8.3%
Chess Puzzles—18%
Mystery Game Puzzles—6%
Epoch Capabilities Index—150.13

Math Inkling-Small leads

Grok 4.1: 36.2 (#124), Inkling-Small: 44.9 (#65)

Math benchmarks
BenchmarkGrok 4.1Inkling-Small
LMArena Math14221453
FrontierMath (Tiers 1-3)—46.3%
FrontierMath Tier 4—17.1%
OTIS Mock AIME 2024-2025—90%
ProofBench—6%

Knowledge Inkling-Small leads

Grok 4.1: 38.9 (#129), Inkling-Small: 48.3 (#71)

Knowledge benchmarks
BenchmarkGrok 4.1Inkling-Small
LMArena Expert14171442
GPQA Diamond—88.5%
SimpleQA Verified—19.1%

Multimodal Not comparable

Grok 4.1: —, Inkling-Small: 38.4 (#59)

Multimodal benchmarks
BenchmarkGrok 4.1Inkling-Small
LMArena Vision—1235

Multilingual Grok 4.1 leads

Grok 4.1: 53.6 (#64), Inkling-Small: 51.7 (#102)

Multilingual benchmarks
BenchmarkGrok 4.1Inkling-Small
LMArena Non-English14251400
LMArena Chinese14641458
LMArena French14481438
LMArena German14471412
LMArena Japanese13961399
LMArena Korean14071355
LMArena Russian14341392
LMArena Spanish14381426

Instruction Following Too close to call

Grok 4.1: 74.0 (#106), Inkling-Small: 73.9 (#112)

Instruction Following benchmarks
BenchmarkGrok 4.1Inkling-Small
LMArena Instruction Following14001397

Long Context Too close to call

Grok 4.1: 43.2 (#96), Inkling-Small: 42.7 (#113)

Long Context benchmarks
BenchmarkGrok 4.1Inkling-Small
LMArena Longer Query14161401

Writing & Preference Grok 4.1 leads

Grok 4.1: 62.6 (#71), Inkling-Small: 59.8 (#102)

Writing & Preference benchmarks
BenchmarkGrok 4.1Inkling-Small
LMArena Text14371413
LMArena Creative Writing14111330
LMArena Multi-Turn14381420
EQ-Bench Creative Writing—1491

Frequently asked questions

Is Grok 4.1 better than Inkling-Small?

Inkling-Small is the stronger model overall, scoring 46.5 to 40.8 on the Noometry Index.

Is Grok 4.1 or Inkling-Small better for coding?

Inkling-Small scores higher on coding benchmarks: 43.3 versus 33.4 in the Noometry coding category.

How many benchmarks do Grok 4.1 and Inkling-Small share?

18 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and Inkling-Small has 33.

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