Model comparison
Granite 4.1 8b vs Mercury 2.5
Granite 4.1 8b has enough public results to be ranked (#202); Mercury 2.5 does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Granite 4.1 8b leads 33.8 to 22.4.
- Granite 4.1 8b has downloadable open weights; the other is API-only.
Side by side
| Granite 4.1 8b | Mercury 2.5 | |
|---|---|---|
| Provider | IBM | Inception |
| Noometry Index | 36.8 | 30.2 |
| Released | — | 2026-09-08 |
| Weights | Open | Proprietary |
| Context window | — | 260K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.04 |
| Output $ / M tokens | — | $0.15 |
| Results tracked | 13 | 2 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Not comparable
Granite 4.1 8b: 29.9 (#291), Mercury 2.5: —
| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena WebDev | 1190 | — |
| LMArena Coding | 1313 | — |
| ALE-Bench | — | 301.65 |
Reasoning Not comparable
Granite 4.1 8b: 24.6 (#142), Mercury 2.5: —
| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena Hard Prompts | 1294 | — |
Math Granite 4.1 8b leads
Granite 4.1 8b: 33.8 (#167), Mercury 2.5: 22.4
| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| ProofBench | — | 3% |
| LMArena Math | 1311 | — |
Knowledge Not comparable
Granite 4.1 8b: 35.5 (#171), Mercury 2.5: —
| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena Expert | 1310 | — |
Multilingual Not comparable
Granite 4.1 8b: 41.8 (#199), Mercury 2.5: —
| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1261 | — |
| LMArena Chinese | 1335 | — |
| LMArena Russian | 1238 | — |
Instruction Following Not comparable
Granite 4.1 8b: 67.0 (#198), Mercury 2.5: —
| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena Instruction Following | 1268 | — |
Long Context Not comparable
Granite 4.1 8b: 38.7 (#188), Mercury 2.5: —
| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 1275 | — |
Writing & Preference Not comparable
Granite 4.1 8b: 48.3 (#199), Mercury 2.5: —
| Benchmark | Granite 4.1 8b | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1291 | — |
| LMArena Creative Writing | 1249 | — |
| LMArena Multi-Turn | 1269 | — |
Frequently asked questions
Is Granite 4.1 8b better than Mercury 2.5?
Granite 4.1 8b has enough public results to be ranked (#202); Mercury 2.5 does not yet, so treat this comparison as directional.
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 2.