# Granite 4.1 8b vs Mercury 2.5

> Granite 4.1 8b is the stronger model overall, scoring 37.4 to 33.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/granite-4-1-8b-vs-mercury-2-5
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Granite 4.1 8b leads 36.4 to 23.3.
- Granite 4.1 8b has downloadable open weights; the other is API-only.

## Snapshot

| | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| Provider | IBM | Inception |
| Noometry Index | 37.4 | 33.5 |
| Rank | 205 | 242 |
| Context | — | 260K |
| Input $/M | — | $0.04 |
| Output $/M | — | $0.15 |
| Weights | Open | Proprietary |

## Coding

- Granite 4.1 8b: 30.1 (#297)
- Mercury 2.5: 39.5 (#156)

| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena WebDev | 1192 | — |
| SciCode | — | 38.5% |
| LMArena Coding | 1312 | — |
| ALE-Bench | — | 301.65 |

## Reasoning

- Granite 4.1 8b: 25.7 (#143)
- Mercury 2.5: 22.4 (#193)

| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| CritPt | — | 0% |
| LMArena Hard Prompts | 1293 | — |

## Math

- Granite 4.1 8b: 36.4 (#166)
- Mercury 2.5: 23.3 (#272)

| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| ProofBench | — | 3% |
| LMArena Math | 1312 | — |

## Knowledge

- Granite 4.1 8b: 36.1 (#174)
- Mercury 2.5: —

| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena Expert | 1309 | — |

## Multilingual

- Granite 4.1 8b: 41.7 (#204)
- Mercury 2.5: —

| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1261 | — |
| LMArena Chinese | 1337 | — |
| LMArena Russian | 1240 | — |

## Instruction Following

- Granite 4.1 8b: 66.9 (#203)
- Mercury 2.5: —

| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena Instruction Following | 1269 | — |

## Long Context

- Granite 4.1 8b: 38.7 (#193)
- Mercury 2.5: —

| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 1275 | — |

## Writing & Preference

- Granite 4.1 8b: 48.1 (#204)
- Mercury 2.5: —

| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1290 | — |
| LMArena Creative Writing | 1251 | — |
| LMArena Multi-Turn | 1268 | — |

## FAQ

### Is Granite 4.1 8b better than Mercury 2.5?

Granite 4.1 8b is the stronger model overall, scoring 37.4 to 33.5 on the Noometry Index.

### Is Granite 4.1 8b or Mercury 2.5 better for coding?

Mercury 2.5 scores higher on coding benchmarks: 39.5 versus 30.1 in the Noometry coding category.

### How many benchmarks do Granite 4.1 8b and Mercury 2.5 share?

0 benchmarks have published results for both models. Granite 4.1 8b has 13 scored results on Noometry and Mercury 2.5 has 4.