Model comparison
Mercury 2.5 vs Nova 2.0 Pro Preview
Mercury 2.5 and Nova 2.0 Pro Preview score almost the same on the Noometry Index (33.5 vs 33.4), so choose on price, context window or the category you care about most.
Last verified . 2 shared benchmarks.
Summary
- They share 2 benchmarks with published results for both. Mercury 2.5 scores higher in 0 categories and Nova 2.0 Pro Preview in 2 categories; one gap is clear of the uncertainty.
Side by side
| Mercury 2.5 | Nova 2.0 Pro Preview | |
|---|---|---|
| Provider | Inception | Amazon |
| Noometry Index | 33.5 | 33.4 |
| Released | 2026-09-08 | 2025-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | 260K | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.04 | — |
| Output $ / M tokens | $0.15 | — |
| Results tracked | 4 | 3 |
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Category by category
Coding Nova 2.0 Pro Preview leads
Mercury 2.5: 39.5 (#156), Nova 2.0 Pro Preview: 40.8 (#133)
Agentic & Tool Use Not comparable
Mercury 2.5: —, Nova 2.0 Pro Preview: 21.9 (#136)
| Benchmark | Mercury 2.5 | Nova 2.0 Pro Preview |
|---|---|---|
| GDP.pdf | — | 2% |
Reasoning Too close to call
Mercury 2.5: 22.4 (#193), Nova 2.0 Pro Preview: 22.4 (#194)
| Benchmark | Mercury 2.5 | Nova 2.0 Pro Preview |
|---|---|---|
| CritPt | 0% | 0% |
Math Not comparable
Mercury 2.5: 23.3 (#272), Nova 2.0 Pro Preview: —
| Benchmark | Mercury 2.5 | Nova 2.0 Pro Preview |
|---|---|---|
| ProofBench | 3% | — |
Frequently asked questions
Is Mercury 2.5 better than Nova 2.0 Pro Preview?
Mercury 2.5 and Nova 2.0 Pro Preview score almost the same on the Noometry Index (33.5 vs 33.4), so choose on price, context window or the category you care about most.
Is Mercury 2.5 or Nova 2.0 Pro Preview better for coding?
Nova 2.0 Pro Preview scores higher on coding benchmarks: 40.8 versus 39.5 in the Noometry coding category.
How many benchmarks do Mercury 2.5 and Nova 2.0 Pro Preview share?
2 benchmarks have published results for both models. Mercury 2.5 has 4 scored results on Noometry and Nova 2.0 Pro Preview has 3.