Model comparison
Mercury 2.5 vs Olmo 7b Instruct
Mercury 2.5 is the stronger model overall, scoring 33.5 to 30.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- The widest gap is in coding, where Mercury 2.5 leads 39.5 to 29.6.
- Olmo 7b Instruct has downloadable open weights; the other is API-only.
Side by side
| Mercury 2.5 | Olmo 7b Instruct | |
|---|---|---|
| Provider | Inception | Allen Institute for AI (Ai2) |
| Noometry Index | 33.5 | 30.3 |
| 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 | 4 | 10 |
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Category by category
Coding Mercury 2.5 leads
Mercury 2.5: 39.5 (#156), Olmo 7b Instruct: 29.6 (#303)
| Benchmark | Mercury 2.5 | Olmo 7b Instruct |
|---|---|---|
| SciCode | 38.5% | — |
| LMArena Coding | — | 1016 |
| ALE-Bench | 301.65 | — |
Reasoning Mercury 2.5 leads
Mercury 2.5: 22.4 (#193), Olmo 7b Instruct: 18.8 (#274)
| Benchmark | Mercury 2.5 | Olmo 7b Instruct |
|---|---|---|
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 993 |
Math Olmo 7b Instruct leads
Mercury 2.5: 23.3 (#272), Olmo 7b Instruct: 30.2 (#237)
| Benchmark | Mercury 2.5 | Olmo 7b Instruct |
|---|---|---|
| ProofBench | 3% | — |
| LMArena Math | — | 1018 |
Multilingual Not comparable
Mercury 2.5: —, Olmo 7b Instruct: 24.0 (#291)
| Benchmark | Mercury 2.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Non-English | — | 977 |
| LMArena Chinese | — | 1014 |
| LMArena Russian | — | 947 |
Instruction Following Not comparable
Mercury 2.5: —, Olmo 7b Instruct: 49.0 (#301)
| Benchmark | Mercury 2.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Instruction Following | — | 978 |
Writing & Preference Not comparable
Mercury 2.5: —, Olmo 7b Instruct: 25.8 (#303)
| Benchmark | Mercury 2.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Text | — | 1032 |
| LMArena Creative Writing | — | 990 |
| LMArena Multi-Turn | — | 1007 |
Frequently asked questions
Is Mercury 2.5 better than Olmo 7b Instruct?
Mercury 2.5 is the stronger model overall, scoring 33.5 to 30.3 on the Noometry Index.
Is Mercury 2.5 or Olmo 7b Instruct better for coding?
Mercury 2.5 scores higher on coding benchmarks: 39.5 versus 29.6 in the Noometry coding category.
How many benchmarks do Mercury 2.5 and Olmo 7b Instruct share?
0 benchmarks have published results for both models. Mercury 2.5 has 4 scored results on Noometry and Olmo 7b Instruct has 10.