Model comparison
Codellama 34b Instruct vs Step 5 Preview
Step 5 Preview is the stronger model overall, scoring 43.8 to 30.2 on the Noometry Index.
Last verified . 0 shared benchmarks.
Meta
StepFunSummary
- The widest gap is in coding, where Step 5 Preview leads 50.6 to 28.0.
- Codellama 34b Instruct has downloadable open weights; the other is API-only.
Side by side
| Codellama 34b Instruct | Step 5 Preview | |
|---|---|---|
| Provider | Meta | StepFun |
| Noometry Index | 30.2 | 43.8 |
| Released | — | 2026-09-16 |
| Weights | Open | Proprietary |
| Context window | — | 1.02M |
| Max output | — | 66K |
| Input $ / M tokens | — | $1 |
| Output $ / M tokens | — | $2.70 |
| Results tracked | 14 | 3 |
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Category by category
Coding Step 5 Preview leads
Codellama 34b Instruct: 28.0 (#310), Step 5 Preview: 50.6 (#40)
| Benchmark | Codellama 34b Instruct | Step 5 Preview |
|---|---|---|
| LMArena WebDev | — | 1569 |
| SciCode | — | 58.9% |
| BigCodeBench Instruct | 29% | — |
| LMArena Coding | 1046 | — |
| BigCodeBench Complete | 37.1% | — |
| HumanEval+ | 43.9% | — |
| MBPP+ | 56.3% | — |
Reasoning Step 5 Preview leads
Codellama 34b Instruct: 18.8 (#250), Step 5 Preview: 38.0 (#58)
| Benchmark | Codellama 34b Instruct | Step 5 Preview |
|---|---|---|
| CritPt | — | 20.9% |
| LMArena Hard Prompts | 1032 | — |
Math Not comparable
Codellama 34b Instruct: 28.5 (#227), Step 5 Preview: —
| Benchmark | Codellama 34b Instruct | Step 5 Preview |
|---|---|---|
| LMArena Math | 1056 | — |
Multilingual Not comparable
Codellama 34b Instruct: 25.9 (#279), Step 5 Preview: —
| Benchmark | Codellama 34b Instruct | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1011 | — |
| LMArena Chinese | 976 | — |
Instruction Following Not comparable
Codellama 34b Instruct: 52.4 (#286), Step 5 Preview: —
| Benchmark | Codellama 34b Instruct | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1028 | — |
Long Context Not comparable
Codellama 34b Instruct: 30.8 (#279), Step 5 Preview: —
| Benchmark | Codellama 34b Instruct | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1014 | — |
Writing & Preference Not comparable
Codellama 34b Instruct: 28.4 (#292), Step 5 Preview: —
| Benchmark | Codellama 34b Instruct | Step 5 Preview |
|---|---|---|
| LMArena Text | 1066 | — |
| LMArena Creative Writing | 1032 | — |
| LMArena Multi-Turn | 1015 | — |
Frequently asked questions
Is Codellama 34b Instruct better than Step 5 Preview?
Step 5 Preview is the stronger model overall, scoring 43.8 to 30.2 on the Noometry Index.
Is Codellama 34b Instruct or Step 5 Preview better for coding?
Step 5 Preview scores higher on coding benchmarks: 50.6 versus 28.0 in the Noometry coding category.
How many benchmarks do Codellama 34b Instruct and Step 5 Preview share?
0 benchmarks have published results for both models. Codellama 34b Instruct has 14 scored results on Noometry and Step 5 Preview has 3.