Model comparison
Amazon Nova Experimental Chat 10 20 vs Command A
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 36.5 on the Noometry Index.
Last verified . 17 shared benchmarks.
CohereSummary
- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 8 categories and Command A in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where Amazon Nova Experimental Chat 10 20 leads 41.6 to 27.2.
- Command A has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Experimental Chat 10 20 | Command A | |
|---|---|---|
| Provider | Amazon | Cohere |
| Noometry Index | 42.1 | 36.5 |
| Released | — | 2025-03-13 |
| Weights | Proprietary | Open |
| Context window | — | 256K |
| Max output | — | 8K |
| Input $ / M tokens | — | $2.50 |
| Output $ / M tokens | — | $10 |
| Results tracked | 17 | 24 |
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Category by category
Coding Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.6 (#123), Command A: 27.2 (#322)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Command A |
|---|---|---|
| LMArena Coding | 1412 | 1330 |
| Aider Polyglot | — | 12% |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 20: —, Command A: 35.9 (#40)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Command A |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 57.1% |
Reasoning Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), Command A: 18.3 (#283)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Command A |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1326 |
| Kagi LLM Benchmark | — | 28.8% |
| DTBench | — | 61.3% |
| LMCA | — | 10.3% |
Math Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 39.0 (#119), Command A: 36.2 (#171)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Command A |
|---|---|---|
| LMArena Math | 1425 | 1300 |
Knowledge Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 38.5 (#144), Command A: 37.1 (#159)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Command A |
|---|---|---|
| LMArena Expert | 1386 | 1295 |
| Vectara Hallucination Rate | — | 9.3% |
Multilingual Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 49.5 (#131), Command A: 45.3 (#170)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Command A |
|---|---|---|
| LMArena Non-English | 1372 | 1313 |
| LMArena Chinese | 1404 | 1327 |
| LMArena French | 1425 | 1351 |
| LMArena German | 1391 | 1341 |
| LMArena Japanese | 1360 | 1285 |
| LMArena Korean | 1324 | 1285 |
| LMArena Russian | 1371 | 1314 |
| LMArena Spanish | 1382 | 1347 |
Instruction Following Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 72.1 (#141), Command A: 69.1 (#177)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Command A |
|---|---|---|
| LMArena Instruction Following | 1365 | 1309 |
Long Context Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.7 (#133), Command A: 40.6 (#151)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Command A |
|---|---|---|
| LMArena Longer Query | 1370 | 1334 |
Writing & Preference Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), Command A: 47.6 (#208)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Command A |
|---|---|---|
| LMArena Text | 1394 | 1331 |
| LMArena Creative Writing | 1318 | 1319 |
| LMArena Multi-Turn | 1364 | 1339 |
| EQ-Bench Creative Writing | — | 1145 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Command A?
Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 36.5 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or Command A better for coding?
Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 27.2 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Command A share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Command A has 24.