Noometry

Model comparison

Chatgpt 4o Latest 20250326 vs Nemotron 3.5 Lightning

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 40.0 on the Noometry Index.

Last verified . 18 shared benchmarks.

Chatgpt 4o Latest 20250326 OpenAI

43.8

Rank #82 Confirmed

Nemotron 3.5 Lightning NVIDIA

40.0

Rank #155 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 8 categories and Nemotron 3.5 Lightning in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Chatgpt 4o Latest 20250326 leads 62.6 to 48.5.
  • Nemotron 3.5 Lightning has downloadable open weights; the other is API-only.

Side by side

Chatgpt 4o Latest 20250326Nemotron 3.5 Lightning
ProviderOpenAINVIDIA
Noometry Index43.840.0
Released—2026-08-11
WeightsProprietaryOpen
Context window—262K
Max output—262K
Input $ / M tokens—$0.05
Output $ / M tokens—$0.20
Results tracked2118

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Category by category

Coding Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 41.6 (#122), Nemotron 3.5 Lightning: 40.4 (#141)

BenchmarkChatgpt 4o Latest 20250326Nemotron 3.5 Lightning
LMArena Coding14131375

Reasoning Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 33.8 (#71), Nemotron 3.5 Lightning: 26.8 (#127)

BenchmarkChatgpt 4o Latest 20250326Nemotron 3.5 Lightning
LMArena Hard Prompts14241337
Kagi LLM Benchmark75%—

Math Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 38.6 (#134), Nemotron 3.5 Lightning: 37.5 (#155)

BenchmarkChatgpt 4o Latest 20250326Nemotron 3.5 Lightning
LMArena Math14071359

Knowledge Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 39.2 (#137), Nemotron 3.5 Lightning: 37.5 (#154)

BenchmarkChatgpt 4o Latest 20250326Nemotron 3.5 Lightning
LMArena Expert14011356
Confabulations16.6%—

Multimodal Not comparable

Chatgpt 4o Latest 20250326: 39.6 (#58), Nemotron 3.5 Lightning: —

BenchmarkChatgpt 4o Latest 20250326Nemotron 3.5 Lightning
LMArena Vision1243—

Multilingual Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 52.9 (#76), Nemotron 3.5 Lightning: 44.0 (#180)

BenchmarkChatgpt 4o Latest 20250326Nemotron 3.5 Lightning
LMArena Non-English14191295
LMArena Chinese14571359
LMArena French14461366
LMArena German14231282
LMArena Japanese14051206
LMArena Korean13961238
LMArena Russian14291253
LMArena Spanish14341345

Instruction Following Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 74.0 (#107), Nemotron 3.5 Lightning: 69.6 (#170)

BenchmarkChatgpt 4o Latest 20250326Nemotron 3.5 Lightning
LMArena Instruction Following14031318

Long Context Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 43.1 (#107), Nemotron 3.5 Lightning: 39.9 (#165)

BenchmarkChatgpt 4o Latest 20250326Nemotron 3.5 Lightning
LMArena Longer Query14131314

Writing & Preference Chatgpt 4o Latest 20250326 leads

Chatgpt 4o Latest 20250326: 62.6 (#72), Nemotron 3.5 Lightning: 48.5 (#201)

BenchmarkChatgpt 4o Latest 20250326Nemotron 3.5 Lightning
LMArena Text14291327
LMArena Creative Writing14051254
EQ-Bench Creative Writing15011280
LMArena Multi-Turn14541328

Frequently asked questions

Is Chatgpt 4o Latest 20250326 better than Nemotron 3.5 Lightning?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 40.0 on the Noometry Index.

Is Chatgpt 4o Latest 20250326 or Nemotron 3.5 Lightning better for coding?

Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 40.4 in the Noometry coding category.

How many benchmarks do Chatgpt 4o Latest 20250326 and Nemotron 3.5 Lightning share?

18 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Nemotron 3.5 Lightning has 18.

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