Model comparison
Mercury 2.5 vs Olmo 3.1 32b Instruct
Olmo 3.1 32b Instruct has enough public results to be ranked (#168); Mercury 2.5 does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- The widest gap is in math, where Olmo 3.1 32b Instruct leads 33.6 to 22.4.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.
Side by side
| Mercury 2.5 | Olmo 3.1 32b Instruct | |
|---|---|---|
| Provider | Inception | Allen Institute for AI (Ai2) |
| Noometry Index | 30.2 | 38.8 |
| Released | 2026-09-08 | — |
| Weights | Proprietary | Open |
| Context window | 260K | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.04 | — |
| Output $ / M tokens | $0.15 | — |
| Results tracked | 2 | 16 |
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Category by category
Coding Not comparable
Mercury 2.5: —, Olmo 3.1 32b Instruct: 38.9 (#154)
| Benchmark | Mercury 2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | — | 1346 |
| ALE-Bench | 301.65 | — |
Reasoning Not comparable
Mercury 2.5: —, Olmo 3.1 32b Instruct: 25.4 (#131)
| Benchmark | Mercury 2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | — | 1322 |
Math Olmo 3.1 32b Instruct leads
Mercury 2.5: 22.4, Olmo 3.1 32b Instruct: 33.6 (#169)
| Benchmark | Mercury 2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| ProofBench | 3% | — |
| LMArena Math | — | 1305 |
Knowledge Not comparable
Mercury 2.5: —, Olmo 3.1 32b Instruct: 35.4 (#175)
| Benchmark | Mercury 2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | — | 1307 |
Multilingual Not comparable
Mercury 2.5: —, Olmo 3.1 32b Instruct: 42.8 (#185)
| Benchmark | Mercury 2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | — | 1275 |
| LMArena Chinese | — | 1304 |
| LMArena French | — | 1328 |
| LMArena German | — | 1283 |
| LMArena Korean | — | 1206 |
| LMArena Russian | — | 1268 |
| LMArena Spanish | — | 1337 |
Instruction Following Not comparable
Mercury 2.5: —, Olmo 3.1 32b Instruct: 68.8 (#182)
| Benchmark | Mercury 2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1298 |
Long Context Not comparable
Mercury 2.5: —, Olmo 3.1 32b Instruct: 39.9 (#161)
| Benchmark | Mercury 2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | — | 1312 |
Writing & Preference Not comparable
Mercury 2.5: —, Olmo 3.1 32b Instruct: 50.4 (#179)
| Benchmark | Mercury 2.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | — | 1311 |
| LMArena Creative Writing | — | 1264 |
| LMArena Multi-Turn | — | 1309 |
Frequently asked questions
Is Mercury 2.5 better than Olmo 3.1 32b Instruct?
Olmo 3.1 32b Instruct has enough public results to be ranked (#168); Mercury 2.5 does not yet, so treat this comparison as directional.
How many benchmarks do Mercury 2.5 and Olmo 3.1 32b Instruct share?
0 benchmarks have published results for both models. Mercury 2.5 has 2 scored results on Noometry and Olmo 3.1 32b Instruct has 16.