Model comparison
Codellama 34b Instruct vs Mercury 2.5
Mercury 2.5 is the stronger model overall, scoring 33.5 to 30.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
MetaSummary
- The widest gap is in coding, where Mercury 2.5 leads 39.5 to 28.5.
- Codellama 34b Instruct has downloadable open weights; the other is API-only.
Side by side
| Codellama 34b Instruct | Mercury 2.5 | |
|---|---|---|
| Provider | Meta | Inception |
| Noometry Index | 30.8 | 33.5 |
| 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 | 14 | 4 |
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Category by category
Coding Mercury 2.5 leads
Codellama 34b Instruct: 28.5 (#314), Mercury 2.5: 39.5 (#156)
| Benchmark | Codellama 34b Instruct | Mercury 2.5 |
|---|---|---|
| SciCode | — | 38.5% |
| BigCodeBench Instruct | 29% | — |
| LMArena Coding | 1046 | — |
| BigCodeBench Complete | 37.1% | — |
| ALE-Bench | — | 301.65 |
| HumanEval+ | 43.9% | — |
| MBPP+ | 56.3% | — |
Reasoning Mercury 2.5 leads
Codellama 34b Instruct: 19.6 (#255), Mercury 2.5: 22.4 (#193)
| Benchmark | Codellama 34b Instruct | Mercury 2.5 |
|---|---|---|
| CritPt | — | 0% |
| LMArena Hard Prompts | 1032 | — |
Math Codellama 34b Instruct leads
Codellama 34b Instruct: 31.0 (#230), Mercury 2.5: 23.3 (#272)
| Benchmark | Codellama 34b Instruct | Mercury 2.5 |
|---|---|---|
| ProofBench | — | 3% |
| LMArena Math | 1056 | — |
Multilingual Not comparable
Codellama 34b Instruct: 25.8 (#284), Mercury 2.5: —
| Benchmark | Codellama 34b Instruct | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1011 | — |
| LMArena Chinese | 976 | — |
Instruction Following Not comparable
Codellama 34b Instruct: 52.2 (#291), Mercury 2.5: —
| Benchmark | Codellama 34b Instruct | Mercury 2.5 |
|---|---|---|
| LMArena Instruction Following | 1028 | — |
Long Context Not comparable
Codellama 34b Instruct: 30.9 (#284), Mercury 2.5: —
| Benchmark | Codellama 34b Instruct | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 1013 | — |
Writing & Preference Not comparable
Codellama 34b Instruct: 28.2 (#297), Mercury 2.5: —
| Benchmark | Codellama 34b Instruct | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1066 | — |
| LMArena Creative Writing | 1032 | — |
| LMArena Multi-Turn | 1015 | — |
Frequently asked questions
Is Codellama 34b Instruct better than Mercury 2.5?
Mercury 2.5 is the stronger model overall, scoring 33.5 to 30.8 on the Noometry Index.
Is Codellama 34b Instruct or Mercury 2.5 better for coding?
Mercury 2.5 scores higher on coding benchmarks: 39.5 versus 28.5 in the Noometry coding category.
How many benchmarks do Codellama 34b Instruct and Mercury 2.5 share?
0 benchmarks have published results for both models. Codellama 34b Instruct has 14 scored results on Noometry and Mercury 2.5 has 4.