Model comparison
GPT-6 Luna vs Nova 2 Lite
GPT-6 Luna is the stronger model overall, scoring 45.1 to 39.0 on the Noometry Index.
Last verified . 13 shared benchmarks.
Summary
- They share 13 benchmarks with published results for both. GPT-6 Luna scores higher in 7 categories and Nova 2 Lite in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in coding, where GPT-6 Luna leads 54.7 to 40.1.
- 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 | Nova 2 Lite | |
|---|---|---|
| Provider | OpenAI | Amazon |
| Noometry Index | 45.1 | 39.0 |
| Released | 2026-09-22 | 2025-12-01 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 1M |
| Max output | 128K | 64K |
| Input $ / M tokens | $0.10 | $0.30 |
| Output $ / M tokens | $0.50 | $2.50 |
| Results tracked | 18 | 19 |
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Category by category
Coding GPT-6 Luna leads
GPT-6 Luna: 54.7 (#24), Nova 2 Lite: 40.1 (#131)
| Benchmark | GPT-6 Luna | Nova 2 Lite |
|---|---|---|
| LMArena Coding | 1448 | 1386 |
| DeepSWE | 66.6% | — |
| FrontierCode | 42.4% | — |
| LMArena WebDev | 1583 | — |
Agentic & Tool Use Not comparable
GPT-6 Luna: —, Nova 2 Lite: 23.9 (#114)
| Benchmark | GPT-6 Luna | Nova 2 Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 27.1% |
Reasoning GPT-6 Luna leads
GPT-6 Luna: 31.7 (#68), Nova 2 Lite: 26.4 (#120)
| Benchmark | GPT-6 Luna | Nova 2 Lite |
|---|---|---|
| LMArena Hard Prompts | 1415 | 1364 |
| NYT Connections (extended) | 68.7% | — |
Math Too close to call
GPT-6 Luna: 35.6 (#140), Nova 2 Lite: 34.8 (#154)
| Benchmark | GPT-6 Luna | Nova 2 Lite |
|---|---|---|
| LMArena Math | 1396 | 1359 |
Knowledge Nova 2 Lite leads
GPT-6 Luna: 40.1 (#110), Nova 2 Lite: 42.5 (#88)
| Benchmark | GPT-6 Luna | Nova 2 Lite |
|---|---|---|
| LMArena Expert | 1458 | 1360 |
| Vectara Hallucination Rate | — | 5.1% |
Multimodal Not comparable
GPT-6 Luna: 42.0 (#27), Nova 2 Lite: —
| Benchmark | GPT-6 Luna | Nova 2 Lite |
|---|---|---|
| Furniture Assembly | 44.2% | — |
Multilingual GPT-6 Luna leads
GPT-6 Luna: 51.0 (#111), Nova 2 Lite: 47.3 (#148)
| Benchmark | GPT-6 Luna | Nova 2 Lite |
|---|---|---|
| LMArena Non-English | 1390 | 1337 |
| LMArena Chinese | 1425 | 1364 |
| LMArena Russian | 1392 | 1343 |
| LMArena Spanish | 1416 | 1372 |
| LMArena French | — | 1381 |
| LMArena German | — | 1343 |
| LMArena Japanese | — | 1273 |
| LMArena Korean | — | 1284 |
Instruction Following GPT-6 Luna leads
GPT-6 Luna: 74.7 (#85), Nova 2 Lite: 70.7 (#156)
| Benchmark | GPT-6 Luna | Nova 2 Lite |
|---|---|---|
| LMArena Instruction Following | 1414 | 1335 |
Long Context GPT-6 Luna leads
GPT-6 Luna: 43.3 (#95), Nova 2 Lite: 40.6 (#145)
| Benchmark | GPT-6 Luna | Nova 2 Lite |
|---|---|---|
| LMArena Longer Query | 1417 | 1335 |
Writing & Preference GPT-6 Luna leads
GPT-6 Luna: 58.4 (#115), Nova 2 Lite: 54.1 (#150)
| Benchmark | GPT-6 Luna | Nova 2 Lite |
|---|---|---|
| LMArena Text | 1392 | 1362 |
| LMArena Creative Writing | 1357 | 1291 |
| LMArena Multi-Turn | 1400 | 1338 |
Frequently asked questions
Is GPT-6 Luna better than Nova 2 Lite?
GPT-6 Luna is the stronger model overall, scoring 45.1 to 39.0 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: 54.7 versus 40.1 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?
13 benchmarks have published results for both models. GPT-6 Luna has 18 scored results on Noometry and Nova 2 Lite has 19.