# Mercury 2.5 vs Nova Premier 1.0

> Nova Premier 1.0 has enough public results to be ranked (#185); Mercury 2.5 does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/mercury-2-5-vs-nova-premier-1-0
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Nova Premier 1.0 leads 31.5 to 22.4.
- Mercury 2.5 is cheaper at $0.04 / $0.15 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 260K.

## Snapshot

| | Mercury 2.5 | Nova Premier 1.0 |
|---|---|---|
| Provider | Inception | Amazon |
| Noometry Index | 30.2 | 37.7 |
| Rank | — | 185 |
| Context | 260K | 1M |
| Input $/M | $0.04 | $2.50 |
| Output $/M | $0.15 | $12.50 |
| Weights | Proprietary | Proprietary |

## Coding

- Mercury 2.5: —
- Nova Premier 1.0: —

| Benchmark | Mercury 2.5 | Nova Premier 1.0 |
|---|---|---|
| ALE-Bench | 301.65 | — |

## Reasoning

- Mercury 2.5: —
- Nova Premier 1.0: 22.3 (#182)

| Benchmark | Mercury 2.5 | Nova Premier 1.0 |
|---|---|---|
| Kagi LLM Benchmark | — | 44.8% |

## Math

- Mercury 2.5: 22.4
- Nova Premier 1.0: 31.5 (#194)

| Benchmark | Mercury 2.5 | Nova Premier 1.0 |
|---|---|---|
| ProofBench | 3% | — |
| Omni-MATH | — | 35% |

## Knowledge

- Mercury 2.5: —
- Nova Premier 1.0: 35.4 (#176)

| Benchmark | Mercury 2.5 | Nova Premier 1.0 |
|---|---|---|
| MMLU-Pro | — | 72.6% |
| GPQA (HELM) | — | 51.8% |

## Instruction Following

- Mercury 2.5: —
- Nova Premier 1.0: 66.9 (#201)

| Benchmark | Mercury 2.5 | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |

## Writing & Preference

- Mercury 2.5: —
- Nova Premier 1.0: 51.0 (#174)

| Benchmark | Mercury 2.5 | Nova Premier 1.0 |
|---|---|---|
| WildBench | — | 78.8% |

## FAQ

### Is Mercury 2.5 better than Nova Premier 1.0?

Nova Premier 1.0 has enough public results to be ranked (#185); Mercury 2.5 does not yet, so treat this comparison as directional.

### Which is cheaper, Mercury 2.5 or Nova Premier 1.0?

Mercury 2.5 is cheaper. It lists at $0.04 per million input tokens and $0.15 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 260K.

### How many benchmarks do Mercury 2.5 and Nova Premier 1.0 share?

0 benchmarks have published results for both models. Mercury 2.5 has 2 scored results on Noometry and Nova Premier 1.0 has 6.