Model comparison

Chatgpt 4o Latest 20250326 vs Inkling-Small

Inkling-Small is the stronger model overall, scoring 46.5 to 43.8 on the Noometry Index.

Last verified . 19 shared benchmarks.

Chatgpt 4o Latest 20250326 OpenAI

43.8

Rank #82 Confirmed

Inkling-Small Thinking Machines Lab

46.5

Rank #63 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 5 categories and Inkling-Small in 4 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Inkling-Small leads 48.2 to 39.2.
  • Inkling-Small has downloadable open weights; the other is API-only.

Side by side

Chatgpt 4o Latest 20250326 and Inkling-Small specifications
Chatgpt 4o Latest 20250326Inkling-Small
ProviderOpenAIThinking Machines Lab
Noometry Index43.846.5
Released—2026-07-15
WeightsProprietaryOpen
Context window—524K
Max output—1.05M
Input $ / M tokens—$0.45
Output $ / M tokens—$1.20
Results tracked2133

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Category by category

Coding Inkling-Small leads

Chatgpt 4o Latest 20250326: 41.6 (#122), Inkling-Small: 43.6 (#85)

Coding benchmarks
BenchmarkChatgpt 4o Latest 20250326Inkling-Small
LMArena Coding14131451
LMArena WebDev—1409
SciCode—48.7%

Reasoning Inkling-Small leads

Chatgpt 4o Latest 20250326: 33.8 (#71), Inkling-Small: 38.6 (#63)

Reasoning benchmarks
BenchmarkChatgpt 4o Latest 20250326Inkling-Small
LMArena Hard Prompts14241423
ARC-AGI-2—40.1%
Kagi LLM Benchmark75%—
ARC-AGI-1—84%
CritPt—8.3%
Chess Puzzles—18%
Mystery Game Puzzles—6%
Epoch Capabilities Index—150.15

Math Inkling-Small leads

Chatgpt 4o Latest 20250326: 38.6 (#134), Inkling-Small: 45.1 (#77)

Math benchmarks
BenchmarkChatgpt 4o Latest 20250326Inkling-Small
LMArena Math14071459
FrontierMath (Tiers 1-3)—46.3%
FrontierMath Tier 4—17.1%
OTIS Mock AIME 2024-2025—90%
ProofBench—6%

Knowledge Inkling-Small leads

Chatgpt 4o Latest 20250326: 39.2 (#137), Inkling-Small: 48.2 (#77)

Knowledge benchmarks
BenchmarkChatgpt 4o Latest 20250326Inkling-Small
LMArena Expert14011442
GPQA Diamond—88.5%
SimpleQA Verified—19.1%
Confabulations16.6%—

Multimodal Too close to call

Chatgpt 4o Latest 20250326: 39.6 (#58), Inkling-Small: 39.1 (#62)

Multimodal benchmarks
BenchmarkChatgpt 4o Latest 20250326Inkling-Small
LMArena Vision12431235

Multilingual Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 52.9 (#76), Inkling-Small: 51.7 (#104)

Multilingual benchmarks
BenchmarkChatgpt 4o Latest 20250326Inkling-Small
LMArena Non-English14191402
LMArena Chinese14571465
LMArena French14461436
LMArena German14231405
LMArena Japanese14051405
LMArena Korean13961363
LMArena Russian14291391
LMArena Spanish14341428

Instruction Following Too close to call

Chatgpt 4o Latest 20250326: 74.0 (#107), Inkling-Small: 73.8 (#114)

Instruction Following benchmarks
BenchmarkChatgpt 4o Latest 20250326Inkling-Small
LMArena Instruction Following14031399

Long Context Too close to call

Chatgpt 4o Latest 20250326: 43.1 (#107), Inkling-Small: 42.7 (#118)

Long Context benchmarks
BenchmarkChatgpt 4o Latest 20250326Inkling-Small
LMArena Longer Query14131401

Writing & Preference Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 62.6 (#72), Inkling-Small: 59.6 (#107)

Writing & Preference benchmarks
BenchmarkChatgpt 4o Latest 20250326Inkling-Small
LMArena Text14291414
LMArena Creative Writing14051331
EQ-Bench Creative Writing15011491
LMArena Multi-Turn14541418

Frequently asked questions

Is Chatgpt 4o Latest 20250326 better than Inkling-Small?

Inkling-Small is the stronger model overall, scoring 46.5 to 43.8 on the Noometry Index.

Is Chatgpt 4o Latest 20250326 or Inkling-Small better for coding?

Inkling-Small scores higher on coding benchmarks: 43.6 versus 41.6 in the Noometry coding category.

How many benchmarks do Chatgpt 4o Latest 20250326 and Inkling-Small share?

19 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Inkling-Small has 33.

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