Model comparison
Amazon Nova Experimental Chat 10 20 vs GPT-4.1 nano
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 27.9 on the Noometry Index.
Last verified . 14 shared benchmarks.
Summary
- They share 14 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 8 categories and GPT-4.1 nano in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Amazon Nova Experimental Chat 10 20 leads 28.4 to 8.5.
Side by side
| Amazon Nova Experimental Chat 10 20 | GPT-4.1 nano | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 42.1 | 27.9 |
| Released | — | 2025-04-14 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 33K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.40 |
| Results tracked | 17 | 38 |
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Category by category
Coding Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.6 (#123), GPT-4.1 nano: 24.1 (#330)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-4.1 nano |
|---|---|---|
| LMArena Coding | 1412 | 1306 |
| Aider Polyglot | — | 8.9% |
| SciCode | — | 25.9% |
| WeirdML | — | 19% |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 20: —, GPT-4.1 nano: 26.5 (#104)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-4.1 nano |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 33% |
Reasoning Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), GPT-4.1 nano: 8.5 (#349)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-4.1 nano |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1286 |
| ARC-AGI-2 | — | 0% |
| Kagi LLM Benchmark | — | 33.3% |
| ARC-AGI-1 | — | 0% |
| CritPt | — | 0% |
| DTBench | — | 52.5% |
| LMCA | — | 5.5% |
| Epoch Capabilities Index | — | 129.62 |
Math Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 39.0 (#119), GPT-4.1 nano: 26.9 (#252)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-4.1 nano |
|---|---|---|
| LMArena Math | 1425 | 1274 |
| OTIS Mock AIME 2024-2025 | — | 28.9% |
| Omni-MATH | — | 36.7% |
| MATH Level 5 | — | 70% |
| FrontierMath (Feb 2025 set) | — | 1% |
Knowledge Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 38.5 (#144), GPT-4.1 nano: 21.8 (#273)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-4.1 nano |
|---|---|---|
| LMArena Expert | 1386 | 1272 |
| GPQA Diamond | — | 48.9% |
| SimpleQA Verified | — | 6% |
| MMLU-Pro | — | 55% |
| GPQA (HELM) | — | 50.7% |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 20: —, GPT-4.1 nano: 29.2 (#113)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-4.1 nano |
|---|---|---|
| LMArena Vision | — | 1063 |
Multilingual Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 49.5 (#131), GPT-4.1 nano: 41.6 (#205)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-4.1 nano |
|---|---|---|
| LMArena Non-English | 1372 | 1260 |
| LMArena Chinese | 1404 | 1270 |
| LMArena German | 1391 | 1288 |
| LMArena Japanese | 1360 | 1198 |
| LMArena Russian | 1371 | 1261 |
| LMArena French | 1425 | — |
| LMArena Korean | 1324 | — |
| LMArena Spanish | 1382 | — |
Instruction Following Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 72.1 (#141), GPT-4.1 nano: 67.8 (#193)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-4.1 nano |
|---|---|---|
| LMArena Instruction Following | 1365 | 1267 |
| IFEval | — | 84.3% |
Long Context Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.7 (#133), GPT-4.1 nano: 23.7 (#296)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-4.1 nano |
|---|---|---|
| LMArena Longer Query | 1370 | 1283 |
| Fiction.LiveBench | — | 25% |
Writing & Preference Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), GPT-4.1 nano: 40.5 (#243)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-4.1 nano |
|---|---|---|
| LMArena Text | 1394 | 1285 |
| LMArena Creative Writing | 1318 | 1260 |
| LMArena Multi-Turn | 1364 | 1277 |
| EQ-Bench Creative Writing | — | 946 |
| WildBench | — | 81.2% |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than GPT-4.1 nano?
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 27.9 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or GPT-4.1 nano better for coding?
Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 24.1 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and GPT-4.1 nano share?
14 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and GPT-4.1 nano has 38.