Model comparison
Mercury 2.5 vs Nemotron 3 Super
Nemotron 3 Super is the stronger model overall, scoring 40.1 to 33.5 on the Noometry Index. Mercury 2.5 costs 2.6× less per token, which makes it the better buy when Nemotron 3 Super's lead doesn't matter for your workload.
Last verified . 3 shared benchmarks.
NVIDIASummary
- They share 3 benchmarks with published results for both. Mercury 2.5 scores higher in 2 categories and Nemotron 3 Super in 1 category; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where Nemotron 3 Super leads 39.6 to 23.3.
- Mercury 2.5 is cheaper at $0.04 / $0.15 per million input/output tokens, against $0.08 / $0.45 for Nemotron 3 Super.
- Nemotron 3 Super accepts more context: 262K tokens versus 260K.
- Nemotron 3 Super has downloadable open weights; the other is API-only.
Side by side
| Mercury 2.5 | Nemotron 3 Super | |
|---|---|---|
| Provider | Inception | NVIDIA |
| Noometry Index | 33.5 | 40.1 |
| Released | 2026-09-08 | 2026-03-11 |
| Weights | Proprietary | Open |
| Context window | 260K | 262K |
| Max output | 66K | 131K |
| Input $ / M tokens | $0.04 | $0.08 |
| Output $ / M tokens | $0.15 | $0.45 |
| Results tracked | 4 | 21 |
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Category by category
Coding Too close to call
Mercury 2.5: 39.5 (#156), Nemotron 3 Super: 39.4 (#158)
| Benchmark | Mercury 2.5 | Nemotron 3 Super |
|---|---|---|
| SciCode | 38.5% | 36% |
| ALE-Bench | 301.65 | 213.9 |
| WeirdML | — | 38% |
| LMArena Coding | — | 1403 |
Reasoning Mercury 2.5 leads
Mercury 2.5: 22.4 (#193), Nemotron 3 Super: 18.7 (#276)
| Benchmark | Mercury 2.5 | Nemotron 3 Super |
|---|---|---|
| CritPt | 0% | 3.1% |
| NYT Connections (extended) | — | 15.4% |
| LMArena Hard Prompts | — | 1386 |
Math Nemotron 3 Super leads
Mercury 2.5: 23.3 (#272), Nemotron 3 Super: 39.6 (#101)
| Benchmark | Mercury 2.5 | Nemotron 3 Super |
|---|---|---|
| MathArena Final-Answer Competitions | — | 60.4% |
| ProofBench | 3% | — |
| LMArena Math | — | 1380 |
Knowledge Not comparable
Mercury 2.5: —, Nemotron 3 Super: 38.9 (#139)
| Benchmark | Mercury 2.5 | Nemotron 3 Super |
|---|---|---|
| LMArena Expert | — | 1398 |
Multilingual Not comparable
Mercury 2.5: —, Nemotron 3 Super: 48.4 (#144)
| Benchmark | Mercury 2.5 | Nemotron 3 Super |
|---|---|---|
| LMArena Non-English | — | 1355 |
| LMArena Chinese | — | 1432 |
| LMArena French | — | 1405 |
| LMArena German | — | 1341 |
| LMArena Russian | — | 1336 |
| LMArena Spanish | — | 1417 |
Instruction Following Not comparable
Mercury 2.5: —, Nemotron 3 Super: 71.2 (#154)
| Benchmark | Mercury 2.5 | Nemotron 3 Super |
|---|---|---|
| LMArena Instruction Following | — | 1347 |
Long Context Not comparable
Mercury 2.5: —, Nemotron 3 Super: 41.5 (#139)
| Benchmark | Mercury 2.5 | Nemotron 3 Super |
|---|---|---|
| LMArena Longer Query | — | 1362 |
Writing & Preference Not comparable
Mercury 2.5: —, Nemotron 3 Super: 55.9 (#140)
| Benchmark | Mercury 2.5 | Nemotron 3 Super |
|---|---|---|
| LMArena Text | — | 1378 |
| LMArena Creative Writing | — | 1317 |
| LMArena Multi-Turn | — | 1369 |
Frequently asked questions
Is Mercury 2.5 better than Nemotron 3 Super?
Nemotron 3 Super is the stronger model overall, scoring 40.1 to 33.5 on the Noometry Index. Mercury 2.5 costs 2.6× less per token, which makes it the better buy when Nemotron 3 Super's lead doesn't matter for your workload.
Which is cheaper, Mercury 2.5 or Nemotron 3 Super?
Mercury 2.5 is cheaper. It lists at $0.04 per million input tokens and $0.15 per million output tokens; Nemotron 3 Super lists at $0.08 and $0.45.
Is Mercury 2.5 or Nemotron 3 Super better for coding?
They score almost the same on coding (39.5 vs 39.4); test both on your own repository before choosing.
Which has the bigger context window?
Nemotron 3 Super does, with 262K tokens against 260K.
How many benchmarks do Mercury 2.5 and Nemotron 3 Super share?
3 benchmarks have published results for both models. Mercury 2.5 has 4 scored results on Noometry and Nemotron 3 Super has 21.