Model comparison

GPT-6 Luna vs Nova 2 Lite

GPT-6 Luna is the stronger model overall, scoring 53.3 to 39.7 on the Noometry Index.

Last verified . 17 shared benchmarks.

GPT-6 Luna OpenAI

53.3

Rank #36 Confirmed

Nova 2 Lite Amazon

39.7

Rank #161 Confirmed

Summary

  • They share 17 benchmarks with published results for both. GPT-6 Luna scores higher in 9 categories and Nova 2 Lite in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-6 Luna leads 76.1 to 37.5.
  • GPT-6 Luna is cheaper at $0.10 / $0.50 per million input/output tokens, against $0.30 / $2.50 for Nova 2 Lite.
  • GPT-6 Luna accepts more context: 1.05M tokens versus 1M.

Side by side

GPT-6 Luna and Nova 2 Lite specifications
GPT-6 LunaNova 2 Lite
ProviderOpenAIAmazon
Noometry Index53.339.7
Released2026-09-222025-12-01
WeightsProprietaryProprietary
Context window1.05M1M
Max output128K64K
Input $ / M tokens$0.10$0.30
Output $ / M tokens$0.50$2.50
Results tracked4219

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Category by category

Coding GPT-6 Luna leads

GPT-6 Luna: 55.5 (#25), Nova 2 Lite: 40.7 (#134)

Coding benchmarks
BenchmarkGPT-6 LunaNova 2 Lite
LMArena Coding14391385
DeepSWE66.6%—
FrontierCode42.4%—
LMArena WebDev1581—
SciCode54.6%—
ALE-Bench1,577—

Agentic & Tool Use GPT-6 Luna leads

GPT-6 Luna: 33.3 (#54), Nova 2 Lite: 24.1 (#121)

Agentic & Tool Use benchmarks
BenchmarkGPT-6 LunaNova 2 Lite
APEX-Agents44.3%—
Berkeley Function Calling Leaderboard—27.1%
GDP.pdf23%—

Reasoning GPT-6 Luna leads

GPT-6 Luna: 48.2 (#41), Nova 2 Lite: 27.5 (#118)

Reasoning benchmarks
BenchmarkGPT-6 LunaNova 2 Lite
LMArena Hard Prompts14111364
ARC-AGI-259.3%—
NYT Connections (extended)68.7%—
ARC-AGI-186.7%—
CritPt19.4%—
Chess Puzzles31%—
Mystery Game Puzzles7%—
DTBench90.1%—
LMCA44.5%—
Epoch Capabilities Index156.28—

Math GPT-6 Luna leads

GPT-6 Luna: 76.1 (#15), Nova 2 Lite: 37.5 (#156)

Math benchmarks
BenchmarkGPT-6 LunaNova 2 Lite
LMArena Math14161359
FrontierMath (Tiers 1-3)78.9%—
FrontierMath Tier 456.1%—
OTIS Mock AIME 2024-202598.9%—
ProofBench64%—

Knowledge GPT-6 Luna leads

GPT-6 Luna: 57.0 (#41), Nova 2 Lite: 43.0 (#94)

Knowledge benchmarks
BenchmarkGPT-6 LunaNova 2 Lite
LMArena Expert14441358
GPQA Diamond90.5%—
SimpleQA Verified41.4%—
Vectara Hallucination Rate—5.1%

Multimodal Not comparable

GPT-6 Luna: 42.4 (#30), Nova 2 Lite: —

Multimodal benchmarks
BenchmarkGPT-6 LunaNova 2 Lite
LMArena Vision1217—
Blueprint-Bench 231.2%—
Furniture Assembly44.2%—

Multilingual GPT-6 Luna leads

GPT-6 Luna: 50.5 (#117), Nova 2 Lite: 47.1 (#153)

Multilingual benchmarks
BenchmarkGPT-6 LunaNova 2 Lite
LMArena Non-English13861337
LMArena Chinese14331364
LMArena French14201381
LMArena German13691343
LMArena Japanese13691271
LMArena Korean13601284
LMArena Russian13941343
LMArena Spanish13931373

Instruction Following GPT-6 Luna leads

GPT-6 Luna: 74.3 (#99), Nova 2 Lite: 70.5 (#161)

Instruction Following benchmarks
BenchmarkGPT-6 LunaNova 2 Lite
LMArena Instruction Following14091335

Long Context GPT-6 Luna leads

GPT-6 Luna: 43.0 (#111), Nova 2 Lite: 40.6 (#150)

Long Context benchmarks
BenchmarkGPT-6 LunaNova 2 Lite
LMArena Longer Query14091335

Writing & Preference GPT-6 Luna leads

GPT-6 Luna: 58.3 (#119), Nova 2 Lite: 53.9 (#154)

Writing & Preference benchmarks
BenchmarkGPT-6 LunaNova 2 Lite
LMArena Text13911362
LMArena Creative Writing13631291
LMArena Multi-Turn13961338

Frequently asked questions

Is GPT-6 Luna better than Nova 2 Lite?

GPT-6 Luna is the stronger model overall, scoring 53.3 to 39.7 on the Noometry Index.

Which is cheaper, GPT-6 Luna or Nova 2 Lite?

GPT-6 Luna is cheaper. It lists at $0.10 per million input tokens and $0.50 per million output tokens; Nova 2 Lite lists at $0.30 and $2.50.

Is GPT-6 Luna or Nova 2 Lite better for coding?

GPT-6 Luna scores higher on coding benchmarks: 55.5 versus 40.7 in the Noometry coding category.

Which has the bigger context window?

GPT-6 Luna does, with 1.05M tokens against 1M.

How many benchmarks do GPT-6 Luna and Nova 2 Lite share?

17 benchmarks have published results for both models. GPT-6 Luna has 42 scored results on Noometry and Nova 2 Lite has 19.

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