Model comparison
GPT-6 Luna vs Nova 2.0 Pro Preview
GPT-6 Luna is the stronger model overall, scoring 45.1 to 32.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in coding, where GPT-6 Luna leads 54.7 to 40.2.
Side by side
| GPT-6 Luna | Nova 2.0 Pro Preview | |
|---|---|---|
| Provider | OpenAI | Amazon |
| Noometry Index | 45.1 | 32.8 |
| Released | 2026-09-22 | 2025-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.50 | — |
| Results tracked | 18 | 3 |
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Category by category
Coding GPT-6 Luna leads
GPT-6 Luna: 54.7 (#24), Nova 2.0 Pro Preview: 40.2 (#130)
| Benchmark | GPT-6 Luna | Nova 2.0 Pro Preview |
|---|---|---|
| DeepSWE | 66.6% | — |
| FrontierCode | 42.4% | — |
| LMArena WebDev | 1583 | — |
| SciCode | — | 42.7% |
| LMArena Coding | 1448 | — |
Agentic & Tool Use Not comparable
GPT-6 Luna: —, Nova 2.0 Pro Preview: 21.9 (#127)
| Benchmark | GPT-6 Luna | Nova 2.0 Pro Preview |
|---|---|---|
| GDP.pdf | — | 2% |
Reasoning GPT-6 Luna leads
GPT-6 Luna: 31.7 (#68), Nova 2.0 Pro Preview: 21.7 (#189)
| Benchmark | GPT-6 Luna | Nova 2.0 Pro Preview |
|---|---|---|
| NYT Connections (extended) | 68.7% | — |
| CritPt | — | 0% |
| LMArena Hard Prompts | 1415 | — |
Math Not comparable
GPT-6 Luna: 35.6 (#140), Nova 2.0 Pro Preview: —
| Benchmark | GPT-6 Luna | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Math | 1396 | — |
Knowledge Not comparable
GPT-6 Luna: 40.1 (#110), Nova 2.0 Pro Preview: —
| Benchmark | GPT-6 Luna | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Expert | 1458 | — |
Multimodal Not comparable
GPT-6 Luna: 42.0 (#27), Nova 2.0 Pro Preview: —
| Benchmark | GPT-6 Luna | Nova 2.0 Pro Preview |
|---|---|---|
| Furniture Assembly | 44.2% | — |
Multilingual Not comparable
GPT-6 Luna: 51.0 (#111), Nova 2.0 Pro Preview: —
| Benchmark | GPT-6 Luna | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1390 | — |
| LMArena Chinese | 1425 | — |
| LMArena Russian | 1392 | — |
| LMArena Spanish | 1416 | — |
Instruction Following Not comparable
GPT-6 Luna: 74.7 (#85), Nova 2.0 Pro Preview: —
| Benchmark | GPT-6 Luna | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1414 | — |
Long Context Not comparable
GPT-6 Luna: 43.3 (#95), Nova 2.0 Pro Preview: —
| Benchmark | GPT-6 Luna | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1417 | — |
Writing & Preference Not comparable
GPT-6 Luna: 58.4 (#115), Nova 2.0 Pro Preview: —
| Benchmark | GPT-6 Luna | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1392 | — |
| LMArena Creative Writing | 1357 | — |
| LMArena Multi-Turn | 1400 | — |
Frequently asked questions
Is GPT-6 Luna better than Nova 2.0 Pro Preview?
GPT-6 Luna is the stronger model overall, scoring 45.1 to 32.8 on the Noometry Index.
Is GPT-6 Luna or Nova 2.0 Pro Preview better for coding?
GPT-6 Luna scores higher on coding benchmarks: 54.7 versus 40.2 in the Noometry coding category.
How many benchmarks do GPT-6 Luna and Nova 2.0 Pro Preview share?
0 benchmarks have published results for both models. GPT-6 Luna has 18 scored results on Noometry and Nova 2.0 Pro Preview has 3.