Model comparison
Mercury 2 vs Nova Premier 1.0
Mercury 2 and Nova Premier 1.0 score almost the same on the Noometry Index (39.1 vs 38.3), so choose on price, context window or the category you care about most.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in instruction following, where Mercury 2 leads 70.2 to 66.8.
- Mercury 2 is cheaper at $0.25 / $0.75 per million input/output tokens, against $2.50 / $12.50 for Nova Premier 1.0.
- Nova Premier 1.0 accepts more context: 1M tokens versus 128K.
Side by side
| Mercury 2 | Nova Premier 1.0 | |
|---|---|---|
| Provider | Inception | Amazon |
| Noometry Index | 39.1 | 38.3 |
| Released | 2026-02-20 | 2025-04-30 |
| Weights | Proprietary | Proprietary |
| Context window | 128K | 1M |
| Max output | 50K | 10K |
| Input $ / M tokens | $0.25 | $2.50 |
| Output $ / M tokens | $0.75 | $12.50 |
| Results tracked | 17 | 6 |
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Category by category
Coding Not comparable
Mercury 2: 33.5 (#255), Nova Premier 1.0: —
| Benchmark | Mercury 2 | Nova Premier 1.0 |
|---|---|---|
| LMArena WebDev | 1171 | — |
| SciCode | 38.7% | — |
| WeirdML | 43.2% | — |
| LMArena Coding | 1391 | — |
| ALE-Bench | 785.58 | — |
Reasoning Too close to call
Mercury 2: 23.8 (#170), Nova Premier 1.0: 23.0 (#185)
| Benchmark | Mercury 2 | Nova Premier 1.0 |
|---|---|---|
| Kagi LLM Benchmark | — | 44.8% |
| CritPt | 0.8% | — |
| LMArena Hard Prompts | 1362 | — |
Math Not comparable
Mercury 2: —, Nova Premier 1.0: 33.8 (#199)
| Benchmark | Mercury 2 | Nova Premier 1.0 |
|---|---|---|
| Omni-MATH | — | 35% |
Knowledge Too close to call
Mercury 2: 36.2 (#172), Nova Premier 1.0: 35.8 (#180)
| Benchmark | Mercury 2 | Nova Premier 1.0 |
|---|---|---|
| MMLU-Pro | — | 72.6% |
| Vectara Hallucination Rate | 12.3% | — |
| GPQA (HELM) | — | 51.8% |
| LMArena Expert | 1358 | — |
Multilingual Not comparable
Mercury 2: 46.6 (#157), Nova Premier 1.0: —
| Benchmark | Mercury 2 | Nova Premier 1.0 |
|---|---|---|
| LMArena Non-English | 1331 | — |
| LMArena Chinese | 1417 | — |
| LMArena Russian | 1304 | — |
Instruction Following Mercury 2 leads
Mercury 2: 70.2 (#165), Nova Premier 1.0: 66.8 (#204)
| Benchmark | Mercury 2 | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |
| LMArena Instruction Following | 1329 | — |
Long Context Not comparable
Mercury 2: 40.5 (#154), Nova Premier 1.0: —
| Benchmark | Mercury 2 | Nova Premier 1.0 |
|---|---|---|
| LMArena Longer Query | 1330 | — |
Writing & Preference Mercury 2 leads
Mercury 2: 53.8 (#155), Nova Premier 1.0: 51.0 (#178)
| Benchmark | Mercury 2 | Nova Premier 1.0 |
|---|---|---|
| LMArena Text | 1355 | — |
| LMArena Creative Writing | 1289 | — |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | 1358 | — |
Frequently asked questions
Is Mercury 2 better than Nova Premier 1.0?
Mercury 2 and Nova Premier 1.0 score almost the same on the Noometry Index (39.1 vs 38.3), so choose on price, context window or the category you care about most.
Which is cheaper, Mercury 2 or Nova Premier 1.0?
Mercury 2 is cheaper. It lists at $0.25 per million input tokens and $0.75 per million output tokens; Nova Premier 1.0 lists at $2.50 and $12.50.
Which has the bigger context window?
Nova Premier 1.0 does, with 1M tokens against 128K.
How many benchmarks do Mercury 2 and Nova Premier 1.0 share?
0 benchmarks have published results for both models. Mercury 2 has 17 scored results on Noometry and Nova Premier 1.0 has 6.