Model comparison
Amazon Nova Lite vs Mercury 2.5
Mercury 2.5 is the stronger model overall, scoring 33.5 to 31.9 on the Noometry Index.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. Amazon Nova Lite scores higher in 1 category and Mercury 2.5 in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in coding, where Mercury 2.5 leads 39.5 to 32.5.
- Mercury 2.5 is cheaper at $0.04 / $0.15 per million input/output tokens, against $0.06 / $0.24 for Amazon Nova Lite.
- Amazon Nova Lite accepts more context: 300K tokens versus 260K.
Side by side
| Amazon Nova Lite | Mercury 2.5 | |
|---|---|---|
| Provider | Amazon | Inception |
| Noometry Index | 31.9 | 33.5 |
| Released | 2024-12-03 | 2026-09-08 |
| Weights | Proprietary | Proprietary |
| Context window | 300K | 260K |
| Max output | 10K | 66K |
| Input $ / M tokens | $0.06 | $0.04 |
| Output $ / M tokens | $0.24 | $0.15 |
| Results tracked | 34 | 4 |
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Category by category
Coding Mercury 2.5 leads
Amazon Nova Lite: 32.5 (#270), Mercury 2.5: 39.5 (#156)
| Benchmark | Amazon Nova Lite | Mercury 2.5 |
|---|---|---|
| ALE-Bench | 236.25 | 301.65 |
| SciCode | — | 38.5% |
| LiveBench Coding | 27.5% | — |
| LMArena Coding | 1239 | — |
Reasoning Mercury 2.5 leads
Amazon Nova Lite: 19.3 (#260), Mercury 2.5: 22.4 (#193)
| Benchmark | Amazon Nova Lite | Mercury 2.5 |
|---|---|---|
| CritPt | — | 0% |
| LiveBench Reasoning | 36.7% | — |
| LMArena Hard Prompts | 1220 | — |
| LiveBench Data Analysis | 37.2% | — |
| LiveBench | 36.4% | — |
Math Amazon Nova Lite leads
Amazon Nova Lite: 27.8 (#247), Mercury 2.5: 23.3 (#272)
| Benchmark | Amazon Nova Lite | Mercury 2.5 |
|---|---|---|
| ProofBench | — | 3% |
| Omni-MATH | 23.3% | — |
| LiveBench Math | 36.7% | — |
| LMArena Math | 1227 | — |
Knowledge Not comparable
Amazon Nova Lite: 26.3 (#259), Mercury 2.5: —
| Benchmark | Amazon Nova Lite | Mercury 2.5 |
|---|---|---|
| Humanity's Last Exam | 3.6% | — |
| MMLU-Pro | 60% | — |
| Vectara Hallucination Rate | 6.1% | — |
| GPQA (HELM) | 39.7% | — |
| LMArena Expert | 1201 | — |
| MMLU | 77% | — |
Multimodal Not comparable
Amazon Nova Lite: 25.5 (#123), Mercury 2.5: —
| Benchmark | Amazon Nova Lite | Mercury 2.5 |
|---|---|---|
| LMArena Vision | 990 | — |
Multilingual Not comparable
Amazon Nova Lite: 38.0 (#232), Mercury 2.5: —
| Benchmark | Amazon Nova Lite | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1208 | — |
| LMArena Chinese | 1225 | — |
| LMArena French | 1237 | — |
| LMArena German | 1229 | — |
| LMArena Japanese | 1153 | — |
| LMArena Korean | 1153 | — |
| LMArena Russian | 1216 | — |
| LMArena Spanish | 1226 | — |
Instruction Following Not comparable
Amazon Nova Lite: 59.3 (#255), Mercury 2.5: —
| Benchmark | Amazon Nova Lite | Mercury 2.5 |
|---|---|---|
| LiveBench Instruction Following | 54.1% | — |
| IFEval | 77.6% | — |
| LMArena Instruction Following | 1205 | — |
Long Context Not comparable
Amazon Nova Lite: 37.4 (#217), Mercury 2.5: —
| Benchmark | Amazon Nova Lite | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 1234 | — |
Writing & Preference Not comparable
Amazon Nova Lite: 42.1 (#237), Mercury 2.5: —
| Benchmark | Amazon Nova Lite | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1229 | — |
| LMArena Creative Writing | 1197 | — |
| WildBench | 75% | — |
| LMArena Multi-Turn | 1199 | — |
| LiveBench Language | 25.9% | — |
Frequently asked questions
Is Amazon Nova Lite better than Mercury 2.5?
Mercury 2.5 is the stronger model overall, scoring 33.5 to 31.9 on the Noometry Index.
Which is cheaper, Amazon Nova Lite or Mercury 2.5?
Mercury 2.5 is cheaper. It lists at $0.04 per million input tokens and $0.15 per million output tokens; Amazon Nova Lite lists at $0.06 and $0.24.
Is Amazon Nova Lite or Mercury 2.5 better for coding?
Mercury 2.5 scores higher on coding benchmarks: 39.5 versus 32.5 in the Noometry coding category.
Which has the bigger context window?
Amazon Nova Lite does, with 300K tokens against 260K.
How many benchmarks do Amazon Nova Lite and Mercury 2.5 share?
1 benchmark has published results for both models. Amazon Nova Lite has 34 scored results on Noometry and Mercury 2.5 has 4.