Model comparison
Amazon Nova Experimental Chat 11 10 vs gpt-oss-120b
Amazon Nova Experimental Chat 11 10 is the stronger model overall, scoring 42.4 to 36.0 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 6 categories and gpt-oss-120b in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where gpt-oss-120b leads 50.6 to 36.4.
- gpt-oss-120b has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 11 10 | gpt-oss-120b | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 42.4 | 36.0 |
| Released | — | 2025-08-05 |
| Weights | Proprietary | Open |
| Context window | — | 131K |
| Max output | — | 41K |
| Input $ / M tokens | — | $0.037 |
| Output $ / M tokens | — | $0.17 |
| Results tracked | 17 | 48 |
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Category by category
Coding Amazon Nova Experimental Chat 11 10 leads
Amazon Nova Experimental Chat 11 10: 41.6 (#109), gpt-oss-120b: 33.2 (#251)
| Benchmark | Amazon Nova Experimental Chat 11 10 | gpt-oss-120b |
|---|---|---|
| LMArena Coding | 1433 | 1380 |
| SWE-bench Verified (bash only) | — | 26% |
| Aider Polyglot | — | 41.8% |
| SciCode | — | 36% |
| WeirdML | — | 48.2% |
| ALE-Bench | — | 575.62 |
| AlgoTune | — | 1.41 |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 11 10: —, gpt-oss-120b: 12.1 (#145)
| Benchmark | Amazon Nova Experimental Chat 11 10 | gpt-oss-120b |
|---|---|---|
| Terminal-Bench | — | 18.7% |
| APEX-Agents | — | 4.4% |
| METR Time Horizons | — | 56.6% |
| Vending-Bench 2 | — | -21.53 |
Reasoning Amazon Nova Experimental Chat 11 10 leads
Amazon Nova Experimental Chat 11 10: 27.9 (#94), gpt-oss-120b: 19.5 (#236)
| Benchmark | Amazon Nova Experimental Chat 11 10 | gpt-oss-120b |
|---|---|---|
| LMArena Hard Prompts | 1422 | 1364 |
| SimpleBench | — | 22.1% |
| Kagi LLM Benchmark | — | 58.6% |
| CritPt | — | 1.1% |
| Chess Puzzles | — | 20% |
| Mystery Game Puzzles | — | 2% |
| DTBench | — | 76.3% |
| LMCA | — | 22.1% |
| Surface Evolver Bench | — | 25% |
| Epoch Capabilities Index | — | 139.94 |
Math gpt-oss-120b leads
Amazon Nova Experimental Chat 11 10: 36.4 (#116), gpt-oss-120b: 50.6 (#43)
| Benchmark | Amazon Nova Experimental Chat 11 10 | gpt-oss-120b |
|---|---|---|
| LMArena Math | 1431 | 1388 |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| Omni-MATH | — | 68.8% |
Knowledge gpt-oss-120b leads
Amazon Nova Experimental Chat 11 10: 39.3 (#122), gpt-oss-120b: 42.3 (#89)
| Benchmark | Amazon Nova Experimental Chat 11 10 | gpt-oss-120b |
|---|---|---|
| LMArena Expert | 1432 | 1356 |
| GPQA Diamond | — | 75.8% |
| MMLU-Pro | — | 79.5% |
| Confabulations | — | 15.7% |
| Vectara Hallucination Rate | — | 14.2% |
| GPQA (HELM) | — | 68.4% |
Multilingual Amazon Nova Experimental Chat 11 10 leads
Amazon Nova Experimental Chat 11 10: 52.1 (#91), gpt-oss-120b: 48.2 (#142)
| Benchmark | Amazon Nova Experimental Chat 11 10 | gpt-oss-120b |
|---|---|---|
| LMArena Non-English | 1405 | 1350 |
| LMArena Chinese | 1463 | 1384 |
| LMArena French | 1449 | 1370 |
| LMArena German | 1396 | 1355 |
| LMArena Japanese | 1383 | 1332 |
| LMArena Korean | 1387 | 1283 |
| LMArena Russian | 1395 | 1343 |
| LMArena Spanish | 1444 | 1388 |
Instruction Following Amazon Nova Experimental Chat 11 10 leads
Amazon Nova Experimental Chat 11 10: 73.4 (#118), gpt-oss-120b: 69.5 (#168)
| Benchmark | Amazon Nova Experimental Chat 11 10 | gpt-oss-120b |
|---|---|---|
| LMArena Instruction Following | 1387 | 1318 |
| IFEval | — | 83.6% |
Long Context Amazon Nova Experimental Chat 11 10 leads
Amazon Nova Experimental Chat 11 10: 42.5 (#116), gpt-oss-120b: 31.4 (#273)
| Benchmark | Amazon Nova Experimental Chat 11 10 | gpt-oss-120b |
|---|---|---|
| LMArena Longer Query | 1395 | 1319 |
| Fiction.LiveBench | — | 44.4% |
Writing & Preference Amazon Nova Experimental Chat 11 10 leads
Amazon Nova Experimental Chat 11 10: 59.0 (#109), gpt-oss-120b: 46.7 (#213)
| Benchmark | Amazon Nova Experimental Chat 11 10 | gpt-oss-120b |
|---|---|---|
| LMArena Text | 1415 | 1366 |
| LMArena Creative Writing | 1349 | 1274 |
| LMArena Multi-Turn | 1380 | 1340 |
| Short-Story Creative Writing | — | 77.1% |
| EQ-Bench Creative Writing | — | 961 |
| WildBench | — | 84.5% |
Frequently asked questions
Is Amazon Nova Experimental Chat 11 10 better than gpt-oss-120b?
Amazon Nova Experimental Chat 11 10 is the stronger model overall, scoring 42.4 to 36.0 on the Noometry Index.
Is Amazon Nova Experimental Chat 11 10 or gpt-oss-120b better for coding?
Amazon Nova Experimental Chat 11 10 scores higher on coding benchmarks: 41.6 versus 33.2 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 11 10 and gpt-oss-120b share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 11 10 has 17 scored results on Noometry and gpt-oss-120b has 48.