Model comparison
Amazon Nova Experimental Chat 12 10 vs Mercury 2.5
Amazon Nova Experimental Chat 12 10 has enough public results to be ranked (#104); Mercury 2.5 does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Amazon Nova Experimental Chat 12 10 leads 36.1 to 22.4.
Side by side
| Amazon Nova Experimental Chat 12 10 | Mercury 2.5 | |
|---|---|---|
| Provider | Amazon | Inception |
| Noometry Index | 42.3 | 30.2 |
| Released | — | 2026-09-08 |
| Weights | Proprietary | Proprietary |
| Context window | — | 260K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.04 |
| Output $ / M tokens | — | $0.15 |
| Results tracked | 12 | 2 |
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Category by category
Coding Not comparable
Amazon Nova Experimental Chat 12 10: 41.5 (#112), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Mercury 2.5 |
|---|---|---|
| LMArena Coding | 1430 | — |
| ALE-Bench | — | 301.65 |
Reasoning Not comparable
Amazon Nova Experimental Chat 12 10: 28.1 (#93), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Mercury 2.5 |
|---|---|---|
| LMArena Hard Prompts | 1427 | — |
Math Amazon Nova Experimental Chat 12 10 leads
Amazon Nova Experimental Chat 12 10: 36.1 (#130), Mercury 2.5: 22.4
| Benchmark | Amazon Nova Experimental Chat 12 10 | Mercury 2.5 |
|---|---|---|
| ProofBench | — | 3% |
| LMArena Math | 1418 | — |
Knowledge Not comparable
Amazon Nova Experimental Chat 12 10: 38.6 (#133), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Mercury 2.5 |
|---|---|---|
| LMArena Expert | 1409 | — |
Multilingual Not comparable
Amazon Nova Experimental Chat 12 10: 51.7 (#103), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1399 | — |
| LMArena Chinese | 1440 | — |
| LMArena Russian | 1397 | — |
Instruction Following Not comparable
Amazon Nova Experimental Chat 12 10: 73.4 (#117), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Mercury 2.5 |
|---|---|---|
| LMArena Instruction Following | 1387 | — |
Long Context Not comparable
Amazon Nova Experimental Chat 12 10: 42.4 (#120), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 1391 | — |
Writing & Preference Not comparable
Amazon Nova Experimental Chat 12 10: 59.7 (#104), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 12 10 | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1420 | — |
| LMArena Creative Writing | 1351 | — |
| LMArena Multi-Turn | 1409 | — |
Frequently asked questions
Is Amazon Nova Experimental Chat 12 10 better than Mercury 2.5?
Amazon Nova Experimental Chat 12 10 has enough public results to be ranked (#104); Mercury 2.5 does not yet, so treat this comparison as directional.
How many benchmarks do Amazon Nova Experimental Chat 12 10 and Mercury 2.5 share?
0 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Mercury 2.5 has 2.