Model comparison
Amazon Nova Experimental Chat 10 20 vs o4-mini
Amazon Nova Experimental Chat 10 20 and o4-mini score almost the same on the Noometry Index (42.1 vs 41.6), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 4 categories and o4-mini in 4 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where o4-mini leads 43.6 to 38.5.
Side by side
| Amazon Nova Experimental Chat 10 20 | o4-mini | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 42.1 | 41.6 |
| Released | — | 2025-04-16 |
| Weights | Proprietary | Proprietary |
| Context window | — | 200K |
| Max output | — | 100K |
| Input $ / M tokens | — | $1.10 |
| Output $ / M tokens | — | $4.40 |
| Results tracked | 17 | 60 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Too close to call
Amazon Nova Experimental Chat 10 20: 41.6 (#123), o4-mini: 40.9 (#127)
| Benchmark | Amazon Nova Experimental Chat 10 20 | o4-mini |
|---|---|---|
| LMArena Coding | 1412 | 1368 |
| SWE-bench Verified (bash only) | — | 45% |
| Aider Polyglot | — | 72% |
| GSO | — | 3.6% |
| WeirdML | — | 52.6% |
| CadEval | — | 62% |
| ALE-Bench | — | 826.17 |
| AlgoTune | — | 1.72 |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 20: —, o4-mini: 32.6 (#61)
| Benchmark | Amazon Nova Experimental Chat 10 20 | o4-mini |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 53.2% |
| GDPval | — | 25.3% |
| METR Time Horizons | — | 63.9% |
Reasoning Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), o4-mini: 24.6 (#162)
| Benchmark | Amazon Nova Experimental Chat 10 20 | o4-mini |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1351 |
| ARC-AGI-2 | — | 6.1% |
| SimpleBench | — | 38.7% |
| Kagi LLM Benchmark | — | 67.6% |
| ARC-AGI-1 | — | 58.7% |
| CritPt | — | 0.6% |
| Chess Puzzles | — | 26% |
| EnigmaEval | — | 9.2% |
| Mystery Game Puzzles | — | 5% |
| DTBench | — | 77.6% |
| LMCA | — | 26.5% |
| Epoch Capabilities Index | — | 145.64 |
| ForecastBench | — | 61.8 |
Math o4-mini leads
Amazon Nova Experimental Chat 10 20: 39.0 (#119), o4-mini: 40.8 (#89)
| Benchmark | Amazon Nova Experimental Chat 10 20 | o4-mini |
|---|---|---|
| LMArena Math | 1425 | 1389 |
| FrontierMath (Tiers 1-3) | — | 36.1% |
| FrontierMath Tier 4 | — | 4.9% |
| OTIS Mock AIME 2024-2025 | — | 81.7% |
| Omni-MATH | — | 72% |
| MATH Level 5 | — | 97.8% |
| FrontierMath (Feb 2025 set) | — | 24.8% |
| FrontierMath Tier 4 (v1) | — | 6.3% |
Knowledge o4-mini leads
Amazon Nova Experimental Chat 10 20: 38.5 (#144), o4-mini: 43.6 (#91)
| Benchmark | Amazon Nova Experimental Chat 10 20 | o4-mini |
|---|---|---|
| LMArena Expert | 1386 | 1343 |
| GPQA Diamond | — | 79.6% |
| Humanity's Last Exam | — | 18.1% |
| SimpleQA Verified | — | 19.6% |
| MMLU-Pro | — | 82% |
| Confabulations | — | 15.8% |
| Vectara Hallucination Rate | — | 18.6% |
| GPQA (HELM) | — | 73.5% |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 20: —, o4-mini: 40.2 (#49)
| Benchmark | Amazon Nova Experimental Chat 10 20 | o4-mini |
|---|---|---|
| LMArena Vision | — | 1194 |
| GeoBench | — | 64% |
| VPCT | — | 57.5% |
Multilingual Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 49.5 (#131), o4-mini: 47.0 (#154)
| Benchmark | Amazon Nova Experimental Chat 10 20 | o4-mini |
|---|---|---|
| LMArena Non-English | 1372 | 1337 |
| LMArena Chinese | 1404 | 1354 |
| LMArena French | 1425 | 1364 |
| LMArena German | 1391 | 1336 |
| LMArena Japanese | 1360 | 1308 |
| LMArena Korean | 1324 | 1312 |
| LMArena Russian | 1371 | 1334 |
| LMArena Spanish | 1382 | 1347 |
Instruction Following o4-mini leads
Amazon Nova Experimental Chat 10 20: 72.1 (#141), o4-mini: 75.2 (#68)
| Benchmark | Amazon Nova Experimental Chat 10 20 | o4-mini |
|---|---|---|
| LMArena Instruction Following | 1365 | 1321 |
| IFEval | — | 92.8% |
Long Context o4-mini leads
Amazon Nova Experimental Chat 10 20: 41.7 (#133), o4-mini: 45.5 (#33)
| Benchmark | Amazon Nova Experimental Chat 10 20 | o4-mini |
|---|---|---|
| LMArena Longer Query | 1370 | 1315 |
| Fiction.LiveBench | — | 77.8% |
Writing & Preference Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), o4-mini: 54.0 (#152)
| Benchmark | Amazon Nova Experimental Chat 10 20 | o4-mini |
|---|---|---|
| LMArena Text | 1394 | 1353 |
| LMArena Creative Writing | 1318 | 1294 |
| LMArena Multi-Turn | 1364 | 1350 |
| Short-Story Creative Writing | — | 75% |
| WildBench | — | 85.4% |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than o4-mini?
Amazon Nova Experimental Chat 10 20 and o4-mini score almost the same on the Noometry Index (42.1 vs 41.6), so choose on price, context window or the category you care about most.
Is Amazon Nova Experimental Chat 10 20 or o4-mini better for coding?
They score almost the same on coding (41.6 vs 40.9); test both on your own repository before choosing.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and o4-mini share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and o4-mini has 60.