Model comparison
Amazon Nova Experimental Chat 11 10 vs GPT-6 Luna
GPT-6 Luna is the stronger model overall, scoring 53.3 to 43.0 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 11 10 scores higher in 2 categories and GPT-6 Luna in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-6 Luna leads 76.1 to 39.1.
Side by side
| Amazon Nova Experimental Chat 11 10 | GPT-6 Luna | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 43.0 | 53.3 |
| Released | — | 2026-09-22 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 128K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.50 |
| Results tracked | 17 | 42 |
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Category by category
Coding GPT-6 Luna leads
Amazon Nova Experimental Chat 11 10: 42.3 (#107), GPT-6 Luna: 55.5 (#25)
| Benchmark | Amazon Nova Experimental Chat 11 10 | GPT-6 Luna |
|---|---|---|
| LMArena Coding | 1433 | 1439 |
| DeepSWE | — | 66.6% |
| FrontierCode | — | 42.4% |
| LMArena WebDev | — | 1581 |
| SciCode | — | 54.6% |
| ALE-Bench | — | 1,577 |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 11 10: —, GPT-6 Luna: 33.3 (#54)
| Benchmark | Amazon Nova Experimental Chat 11 10 | GPT-6 Luna |
|---|---|---|
| APEX-Agents | — | 44.3% |
| GDP.pdf | — | 23% |
Reasoning GPT-6 Luna leads
Amazon Nova Experimental Chat 11 10: 29.1 (#95), GPT-6 Luna: 48.2 (#41)
| Benchmark | Amazon Nova Experimental Chat 11 10 | GPT-6 Luna |
|---|---|---|
| LMArena Hard Prompts | 1422 | 1411 |
| ARC-AGI-2 | — | 59.3% |
| NYT Connections (extended) | — | 68.7% |
| ARC-AGI-1 | — | 86.7% |
| CritPt | — | 19.4% |
| Chess Puzzles | — | 31% |
| Mystery Game Puzzles | — | 7% |
| DTBench | — | 90.1% |
| LMCA | — | 44.5% |
| Epoch Capabilities Index | — | 156.28 |
Math GPT-6 Luna leads
Amazon Nova Experimental Chat 11 10: 39.1 (#114), GPT-6 Luna: 76.1 (#15)
| Benchmark | Amazon Nova Experimental Chat 11 10 | GPT-6 Luna |
|---|---|---|
| LMArena Math | 1431 | 1416 |
| FrontierMath (Tiers 1-3) | — | 78.9% |
| FrontierMath Tier 4 | — | 56.1% |
| OTIS Mock AIME 2024-2025 | — | 98.9% |
| ProofBench | — | 64% |
Knowledge GPT-6 Luna leads
Amazon Nova Experimental Chat 11 10: 39.9 (#127), GPT-6 Luna: 57.0 (#41)
| Benchmark | Amazon Nova Experimental Chat 11 10 | GPT-6 Luna |
|---|---|---|
| LMArena Expert | 1431 | 1444 |
| GPQA Diamond | — | 90.5% |
| SimpleQA Verified | — | 41.4% |
Multimodal Not comparable
Amazon Nova Experimental Chat 11 10: —, GPT-6 Luna: 42.4 (#30)
| Benchmark | Amazon Nova Experimental Chat 11 10 | GPT-6 Luna |
|---|---|---|
| LMArena Vision | — | 1217 |
| Blueprint-Bench 2 | — | 31.2% |
| Furniture Assembly | — | 44.2% |
Multilingual Amazon Nova Experimental Chat 11 10 leads
Amazon Nova Experimental Chat 11 10: 51.9 (#98), GPT-6 Luna: 50.5 (#117)
| Benchmark | Amazon Nova Experimental Chat 11 10 | GPT-6 Luna |
|---|---|---|
| LMArena Non-English | 1405 | 1386 |
| LMArena Chinese | 1463 | 1433 |
| LMArena French | 1449 | 1420 |
| LMArena German | 1395 | 1369 |
| LMArena Japanese | 1383 | 1369 |
| LMArena Korean | 1384 | 1360 |
| LMArena Russian | 1394 | 1394 |
| LMArena Spanish | 1444 | 1393 |
Instruction Following GPT-6 Luna leads
Amazon Nova Experimental Chat 11 10: 73.2 (#122), GPT-6 Luna: 74.3 (#99)
| Benchmark | Amazon Nova Experimental Chat 11 10 | GPT-6 Luna |
|---|---|---|
| LMArena Instruction Following | 1387 | 1409 |
Long Context Too close to call
Amazon Nova Experimental Chat 11 10: 42.5 (#121), GPT-6 Luna: 43.0 (#111)
| Benchmark | Amazon Nova Experimental Chat 11 10 | GPT-6 Luna |
|---|---|---|
| LMArena Longer Query | 1395 | 1409 |
Writing & Preference Too close to call
Amazon Nova Experimental Chat 11 10: 58.8 (#114), GPT-6 Luna: 58.3 (#119)
| Benchmark | Amazon Nova Experimental Chat 11 10 | GPT-6 Luna |
|---|---|---|
| LMArena Text | 1415 | 1391 |
| LMArena Creative Writing | 1349 | 1363 |
| LMArena Multi-Turn | 1380 | 1396 |
Frequently asked questions
Is Amazon Nova Experimental Chat 11 10 better than GPT-6 Luna?
GPT-6 Luna is the stronger model overall, scoring 53.3 to 43.0 on the Noometry Index.
Is Amazon Nova Experimental Chat 11 10 or GPT-6 Luna better for coding?
GPT-6 Luna scores higher on coding benchmarks: 55.5 versus 42.3 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 11 10 and GPT-6 Luna share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 11 10 has 17 scored results on Noometry and GPT-6 Luna has 42.