Model comparison
Mercury 2 vs Olmo 7b Instruct
Mercury 2 is the stronger model overall, scoring 39.1 to 30.3 on the Noometry Index.
Last verified . 9 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 9 benchmarks with published results for both. Mercury 2 scores higher in 5 categories and Olmo 7b Instruct in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mercury 2 leads 53.8 to 25.8.
- Olmo 7b Instruct has downloadable open weights; the other is API-only.
Side by side
| Mercury 2 | Olmo 7b Instruct | |
|---|---|---|
| Provider | Inception | Allen Institute for AI (Ai2) |
| Noometry Index | 39.1 | 30.3 |
| Released | 2026-02-20 | — |
| Weights | Proprietary | Open |
| Context window | 128K | — |
| Max output | 50K | — |
| Input $ / M tokens | $0.25 | — |
| Output $ / M tokens | $0.75 | — |
| Results tracked | 17 | 10 |
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Category by category
Coding Mercury 2 leads
Mercury 2: 33.5 (#255), Olmo 7b Instruct: 29.6 (#303)
| Benchmark | Mercury 2 | Olmo 7b Instruct |
|---|---|---|
| LMArena Coding | 1391 | 1016 |
| LMArena WebDev | 1171 | — |
| SciCode | 38.7% | — |
| WeirdML | 43.2% | — |
| ALE-Bench | 785.58 | — |
Reasoning Mercury 2 leads
Mercury 2: 23.8 (#170), Olmo 7b Instruct: 18.8 (#274)
| Benchmark | Mercury 2 | Olmo 7b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1362 | 993 |
| CritPt | 0.8% | — |
Math Not comparable
Mercury 2: —, Olmo 7b Instruct: 30.2 (#237)
| Benchmark | Mercury 2 | Olmo 7b Instruct |
|---|---|---|
| LMArena Math | — | 1018 |
Knowledge Not comparable
Mercury 2: 36.2 (#172), Olmo 7b Instruct: —
| Benchmark | Mercury 2 | Olmo 7b Instruct |
|---|---|---|
| Vectara Hallucination Rate | 12.3% | — |
| LMArena Expert | 1358 | — |
Multilingual Mercury 2 leads
Mercury 2: 46.6 (#157), Olmo 7b Instruct: 24.0 (#291)
| Benchmark | Mercury 2 | Olmo 7b Instruct |
|---|---|---|
| LMArena Non-English | 1331 | 977 |
| LMArena Chinese | 1417 | 1014 |
| LMArena Russian | 1304 | 947 |
Instruction Following Mercury 2 leads
Mercury 2: 70.2 (#165), Olmo 7b Instruct: 49.0 (#301)
| Benchmark | Mercury 2 | Olmo 7b Instruct |
|---|---|---|
| LMArena Instruction Following | 1329 | 978 |
Long Context Not comparable
Mercury 2: 40.5 (#154), Olmo 7b Instruct: —
| Benchmark | Mercury 2 | Olmo 7b Instruct |
|---|---|---|
| LMArena Longer Query | 1330 | — |
Writing & Preference Mercury 2 leads
Mercury 2: 53.8 (#155), Olmo 7b Instruct: 25.8 (#303)
| Benchmark | Mercury 2 | Olmo 7b Instruct |
|---|---|---|
| LMArena Text | 1355 | 1032 |
| LMArena Creative Writing | 1289 | 990 |
| LMArena Multi-Turn | 1358 | 1007 |
Frequently asked questions
Is Mercury 2 better than Olmo 7b Instruct?
Mercury 2 is the stronger model overall, scoring 39.1 to 30.3 on the Noometry Index.
Is Mercury 2 or Olmo 7b Instruct better for coding?
Mercury 2 scores higher on coding benchmarks: 33.5 versus 29.6 in the Noometry coding category.
How many benchmarks do Mercury 2 and Olmo 7b Instruct share?
9 benchmarks have published results for both models. Mercury 2 has 17 scored results on Noometry and Olmo 7b Instruct has 10.