Noometry

Model comparison

GPT-4.1 mini vs Inkling-Small

Inkling-Small is the stronger model overall, scoring 46.5 to 33.6 on the Noometry Index.

Last verified . 30 shared benchmarks.

GPT-4.1 mini OpenAI

33.6

Rank #240 Confirmed

Inkling-Small Thinking Machines Lab

46.5

Rank #63 Confirmed

Summary

  • They share 30 benchmarks with published results for both. GPT-4.1 mini scores higher in 0 categories and Inkling-Small in 9 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Inkling-Small leads 38.6 to 10.8.
  • The biggest single-benchmark swing is ARC-AGI-1: 3.5% for GPT-4.1 mini and 84% for Inkling-Small.
  • Inkling-Small is cheaper at $0.45 / $1.20 per million input/output tokens, against $0.40 / $1.60 for GPT-4.1 mini.
  • GPT-4.1 mini accepts more context: 1.05M tokens versus 524K.
  • Inkling-Small has downloadable open weights; the other is API-only.

Side by side

GPT-4.1 miniInkling-Small
ProviderOpenAIThinking Machines Lab
Noometry Index33.646.5
Released2025-04-142026-07-15
WeightsProprietaryOpen
Context window1.05M524K
Max output33K1.05M
Input $ / M tokens$0.40$0.45
Output $ / M tokens$1.60$1.20
Results tracked4733

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Category by category

Coding Inkling-Small leads

GPT-4.1 mini: 30.6 (#293), Inkling-Small: 43.6 (#85)

BenchmarkGPT-4.1 miniInkling-Small
SciCode40.4%48.7%
LMArena Coding13671451
SWE-bench Verified (bash only)23.9%—
Aider Polyglot32.4%—
LMArena WebDev—1409
WeirdML37.6%—
BigCodeBench Instruct48.9%—
CadEval16%—

Agentic & Tool Use Not comparable

GPT-4.1 mini: 33.3 (#55), Inkling-Small: —

BenchmarkGPT-4.1 miniInkling-Small
Berkeley Function Calling Leaderboard50.5%—

Reasoning Inkling-Small leads

GPT-4.1 mini: 10.8 (#340), Inkling-Small: 38.6 (#63)

BenchmarkGPT-4.1 miniInkling-Small
ARC-AGI-20%40.1%
ARC-AGI-13.5%84%
CritPt0%8.3%
Chess Puzzles7%18%
LMArena Hard Prompts13491423
Mystery Game Puzzles7%6%
Epoch Capabilities Index135.01150.15
Kagi LLM Benchmark48.6%—
DTBench68.8%—
LMCA21.1%—

Math Inkling-Small leads

GPT-4.1 mini: 24.1 (#270), Inkling-Small: 45.1 (#77)

BenchmarkGPT-4.1 miniInkling-Small
FrontierMath (Tiers 1-3)6.7%46.3%
OTIS Mock AIME 2024-202544.7%90%
LMArena Math13431459
FrontierMath Tier 4—17.1%
ProofBench—6%
Omni-MATH49.1%—
MATH Level 587.3%—
FrontierMath (Feb 2025 set)4.5%—

Knowledge Inkling-Small leads

GPT-4.1 mini: 34.7 (#194), Inkling-Small: 48.2 (#77)

BenchmarkGPT-4.1 miniInkling-Small
GPQA Diamond65.8%88.5%
SimpleQA Verified12.7%19.1%
LMArena Expert13381442
MMLU-Pro78.3%—
GPQA (HELM)61.4%—

Multimodal Inkling-Small leads

GPT-4.1 mini: 35.8 (#82), Inkling-Small: 39.1 (#62)

BenchmarkGPT-4.1 miniInkling-Small
LMArena Vision11811235

Multilingual Inkling-Small leads

GPT-4.1 mini: 45.7 (#166), Inkling-Small: 51.7 (#104)

BenchmarkGPT-4.1 miniInkling-Small
LMArena Non-English13181402
LMArena Chinese13291465
LMArena French13581436
LMArena German13511405
LMArena Japanese12901405
LMArena Korean12981363
LMArena Russian13241391
LMArena Spanish13191428

Instruction Following Too close to call

GPT-4.1 mini: 73.7 (#118), Inkling-Small: 73.8 (#114)

BenchmarkGPT-4.1 miniInkling-Small
LMArena Instruction Following13331399
IFEval90.4%—

Long Context Inkling-Small leads

GPT-4.1 mini: 31.8 (#275), Inkling-Small: 42.7 (#118)

BenchmarkGPT-4.1 miniInkling-Small
LMArena Longer Query13441401
Fiction.LiveBench44.4%—

Writing & Preference Inkling-Small leads

GPT-4.1 mini: 48.6 (#199), Inkling-Small: 59.6 (#107)

BenchmarkGPT-4.1 miniInkling-Small
LMArena Text13401414
LMArena Creative Writing13001331
EQ-Bench Creative Writing11471491
LMArena Multi-Turn13541418
WildBench83.8%—

Frequently asked questions

Is GPT-4.1 mini better than Inkling-Small?

Inkling-Small is the stronger model overall, scoring 46.5 to 33.6 on the Noometry Index.

Which is cheaper, GPT-4.1 mini or Inkling-Small?

Inkling-Small is cheaper. It lists at $0.45 per million input tokens and $1.20 per million output tokens; GPT-4.1 mini lists at $0.40 and $1.60.

Is GPT-4.1 mini or Inkling-Small better for coding?

Inkling-Small scores higher on coding benchmarks: 43.6 versus 30.6 in the Noometry coding category.

Which has the bigger context window?

GPT-4.1 mini does, with 1.05M tokens against 524K.

How many benchmarks do GPT-4.1 mini and Inkling-Small share?

30 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and Inkling-Small has 33.

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