Model comparison

GPT-5.6 Sol vs Nemotron 4 340b Instruct

GPT-5.6 Sol is the stronger model overall, scoring 64.4 to 35.3 on the Noometry Index.

Last verified . 17 shared benchmarks.

GPT-5.6 Sol OpenAI

64.4

Rank #6 Confirmed

Nemotron 4 340b Instruct NVIDIA

35.3

Rank #218 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GPT-5.6 Sol scores higher in 8 categories and Nemotron 4 340b Instruct in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.6 Sol leads 85.5 to 31.7.
  • Nemotron 4 340b Instruct has downloadable open weights; the other is API-only.

Side by side

GPT-5.6 Sol and Nemotron 4 340b Instruct specifications
GPT-5.6 SolNemotron 4 340b Instruct
ProviderOpenAINVIDIA
Noometry Index64.435.3
Released2026-07-092024-06-14
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$4—
Output $ / M tokens$20—
Results tracked6417

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Category by category

Coding GPT-5.6 Sol leads

GPT-5.6 Sol: 61.1 (#7), Nemotron 4 340b Instruct: 34.6 (#223)

Coding benchmarks
BenchmarkGPT-5.6 SolNemotron 4 340b Instruct
LMArena Coding14931209
DeepSWE72.7%—
FrontierCode47.5%—
CursorBench41.7%—
LMArena WebDev1619—
FrontierSWE32.2%—
SciCode57.1%—
WeirdML89.4%—
MirrorCode20%—
ALE-Bench2,177—

Agentic & Tool Use Not comparable

GPT-5.6 Sol: 50.2 (#7), Nemotron 4 340b Instruct: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5.6 SolNemotron 4 340b Instruct
APEX-Agents51.4%—
OSWorld 2.027.3%—
τ²-bench Banking46.9%—
PostTrainBench36.2%—
BALROG60%—
GBAEval52.6%—
GDP.pdf30.7%—
LMArena Search1257—
Vending-Bench 29,619—

Reasoning GPT-5.6 Sol leads

GPT-5.6 Sol: 74.7 (#6), Nemotron 4 340b Instruct: 22.4 (#180)

Reasoning benchmarks
BenchmarkGPT-5.6 SolNemotron 4 340b Instruct
LMArena Hard Prompts14811202
ARC-AGI-292.5%—
SimpleBench71.7%—
Kagi LLM Benchmark67%—
NYT Connections (extended)93.8%—
ARC-AGI-197.5%—
CritPt32.3%—
Chess Puzzles64%—
EnigmaEval37.1%—
EBR-Bench44.8%—
Mystery Game Puzzles58%—
DTBench96%—
LMCA59.2%—
Surface Evolver Bench93.1%—
Bench to the Future 30.14—
Epoch Capabilities Index161.99—

Math GPT-5.6 Sol leads

GPT-5.6 Sol: 85.5 (#7), Nemotron 4 340b Instruct: 31.7 (#193)

Math benchmarks
BenchmarkGPT-5.6 SolNemotron 4 340b Instruct
LMArena Math14721216
FrontierMath (Tiers 1-3)89.1%—
FrontierMath Tier 482.9%—
OTIS Mock AIME 2024-2025100%—
ProofBench83%—
FrontierMath Erdős0%—

Knowledge GPT-5.6 Sol leads

GPT-5.6 Sol: 64.3 (#16), Nemotron 4 340b Instruct: 31.4 (#212)

Knowledge benchmarks
BenchmarkGPT-5.6 SolNemotron 4 340b Instruct
LMArena Expert15171171
GPQA Diamond93.5%—
SimpleQA Verified69.7%—
Vectara Hallucination Rate12.4%—

Multimodal Not comparable

GPT-5.6 Sol: 48.9 (#8), Nemotron 4 340b Instruct: —

Multimodal benchmarks
BenchmarkGPT-5.6 SolNemotron 4 340b Instruct
LMArena Vision1281—
Blueprint-Bench 233.6%—
Furniture Assembly56.7%—
LMArena Document1483—

Multilingual GPT-5.6 Sol leads

GPT-5.6 Sol: 55.4 (#32), Nemotron 4 340b Instruct: 38.0 (#228)

Multilingual benchmarks
BenchmarkGPT-5.6 SolNemotron 4 340b Instruct
LMArena Non-English14501206
LMArena Chinese15231214
LMArena French14751196
LMArena German14761192
LMArena Japanese14751128
LMArena Korean14341148
LMArena Russian14661219
LMArena Spanish14491195

Instruction Following GPT-5.6 Sol leads

GPT-5.6 Sol: 77.8 (#16), Nemotron 4 340b Instruct: 63.3 (#227)

Instruction Following benchmarks
BenchmarkGPT-5.6 SolNemotron 4 340b Instruct
LMArena Instruction Following14801203

Long Context GPT-5.6 Sol leads

GPT-5.6 Sol: 45.3 (#42), Nemotron 4 340b Instruct: 37.1 (#216)

Long Context benchmarks
BenchmarkGPT-5.6 SolNemotron 4 340b Instruct
LMArena Longer Query14791225

Writing & Preference GPT-5.6 Sol leads

GPT-5.6 Sol: 73.5 (#12), Nemotron 4 340b Instruct: 42.9 (#229)

Writing & Preference benchmarks
BenchmarkGPT-5.6 SolNemotron 4 340b Instruct
LMArena Text14561225
LMArena Creative Writing14501203
LMArena Multi-Turn14561214
EQ-Bench Creative Writing1972—
EQ-Bench 41250—

Frequently asked questions

Is GPT-5.6 Sol better than Nemotron 4 340b Instruct?

GPT-5.6 Sol is the stronger model overall, scoring 64.4 to 35.3 on the Noometry Index.

Is GPT-5.6 Sol or Nemotron 4 340b Instruct better for coding?

GPT-5.6 Sol scores higher on coding benchmarks: 61.1 versus 34.6 in the Noometry coding category.

How many benchmarks do GPT-5.6 Sol and Nemotron 4 340b Instruct share?

17 benchmarks have published results for both models. GPT-5.6 Sol has 64 scored results on Noometry and Nemotron 4 340b Instruct has 17.

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