Model comparison
Amazon Nova Experimental Chat 10 20 vs Seed 2.0 Pro
Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 42.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
ByteDance SeedSummary
- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 1 category and Seed 2.0 Pro in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Seed 2.0 Pro leads 62.9 to 56.6.
Side by side
| Amazon Nova Experimental Chat 10 20 | Seed 2.0 Pro | |
|---|---|---|
| Provider | Amazon | ByteDance Seed |
| Noometry Index | 42.1 | 43.2 |
| Released | — | 2026-02-14 |
| Weights | Proprietary | Proprietary |
| Context window | — | 256K |
| Max output | — | 128K |
| Input $ / M tokens | — | $0.50 |
| Output $ / M tokens | — | $3 |
| Results tracked | 17 | 20 |
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Category by category
Coding Seed 2.0 Pro leads
Amazon Nova Experimental Chat 10 20: 41.6 (#123), Seed 2.0 Pro: 43.5 (#86)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Seed 2.0 Pro |
|---|---|---|
| LMArena Coding | 1412 | 1472 |
Reasoning Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), Seed 2.0 Pro: 24.1 (#165)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Seed 2.0 Pro |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1453 |
| NYT Connections (extended) | — | 28.4% |
| Thematic Generalization | — | 57.1% |
Math Too close to call
Amazon Nova Experimental Chat 10 20: 39.0 (#119), Seed 2.0 Pro: 39.3 (#108)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Seed 2.0 Pro |
|---|---|---|
| LMArena Math | 1425 | 1439 |
Knowledge Seed 2.0 Pro leads
Amazon Nova Experimental Chat 10 20: 38.5 (#144), Seed 2.0 Pro: 40.2 (#122)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Seed 2.0 Pro |
|---|---|---|
| LMArena Expert | 1386 | 1440 |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 20: —, Seed 2.0 Pro: 41.5 (#35)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Seed 2.0 Pro |
|---|---|---|
| LMArena Vision | — | 1274 |
Multilingual Seed 2.0 Pro leads
Amazon Nova Experimental Chat 10 20: 49.5 (#131), Seed 2.0 Pro: 54.5 (#39)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Seed 2.0 Pro |
|---|---|---|
| LMArena Non-English | 1372 | 1441 |
| LMArena Chinese | 1404 | 1489 |
| LMArena French | 1425 | 1471 |
| LMArena German | 1391 | 1442 |
| LMArena Japanese | 1360 | 1408 |
| LMArena Korean | 1324 | 1411 |
| LMArena Russian | 1371 | 1449 |
| LMArena Spanish | 1382 | 1460 |
Instruction Following Seed 2.0 Pro leads
Amazon Nova Experimental Chat 10 20: 72.1 (#141), Seed 2.0 Pro: 74.5 (#91)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Seed 2.0 Pro |
|---|---|---|
| LMArena Instruction Following | 1365 | 1414 |
Long Context Seed 2.0 Pro leads
Amazon Nova Experimental Chat 10 20: 41.7 (#133), Seed 2.0 Pro: 43.6 (#90)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Seed 2.0 Pro |
|---|---|---|
| LMArena Longer Query | 1370 | 1428 |
Writing & Preference Seed 2.0 Pro leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), Seed 2.0 Pro: 62.9 (#69)
| Benchmark | Amazon Nova Experimental Chat 10 20 | Seed 2.0 Pro |
|---|---|---|
| LMArena Text | 1394 | 1448 |
| LMArena Creative Writing | 1318 | 1406 |
| LMArena Multi-Turn | 1364 | 1441 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than Seed 2.0 Pro?
Seed 2.0 Pro is the stronger model overall, scoring 43.2 to 42.1 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 20 or Seed 2.0 Pro better for coding?
Seed 2.0 Pro scores higher on coding benchmarks: 43.5 versus 41.6 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and Seed 2.0 Pro share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Seed 2.0 Pro has 20.