Model comparison
Amazon Nova Experimental Chat 10 09 vs Mercury 2.5
Amazon Nova Experimental Chat 10 09 has enough public results to be ranked (#124); Mercury 2.5 does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Side by side
| Amazon Nova Experimental Chat 10 09 | Mercury 2.5 | |
|---|---|---|
| Provider | Amazon | Inception |
| Noometry Index | 41.4 | 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 | 9 | 2 |
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Category by category
Coding Not comparable
Amazon Nova Experimental Chat 10 09: 39.6 (#142), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury 2.5 |
|---|---|---|
| LMArena Coding | 1371 | — |
| ALE-Bench | — | 301.65 |
Reasoning Not comparable
Amazon Nova Experimental Chat 10 09: 26.2 (#122), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury 2.5 |
|---|---|---|
| LMArena Hard Prompts | 1356 | — |
Math Not comparable
Amazon Nova Experimental Chat 10 09: —, Mercury 2.5: 22.4
| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury 2.5 |
|---|---|---|
| ProofBench | — | 3% |
Multilingual Not comparable
Amazon Nova Experimental Chat 10 09: 47.5 (#145), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1341 | — |
| LMArena Chinese | 1345 | — |
Instruction Following Not comparable
Amazon Nova Experimental Chat 10 09: 69.7 (#167), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury 2.5 |
|---|---|---|
| LMArena Instruction Following | 1316 | — |
Long Context Not comparable
Amazon Nova Experimental Chat 10 09: 40.6 (#146), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 1334 | — |
Writing & Preference Not comparable
Amazon Nova Experimental Chat 10 09: 55.0 (#144), Mercury 2.5: —
| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1365 | — |
| LMArena Creative Writing | 1307 | — |
| LMArena Multi-Turn | 1354 | — |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 09 better than Mercury 2.5?
Amazon Nova Experimental Chat 10 09 has enough public results to be ranked (#124); Mercury 2.5 does not yet, so treat this comparison as directional.
How many benchmarks do Amazon Nova Experimental Chat 10 09 and Mercury 2.5 share?
0 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Mercury 2.5 has 2.