Model comparison
Codellama 70b Instruct vs Step 3.5 Flash
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 33.7 on the Noometry Index.
Last verified . 4 shared benchmarks.
Meta
StepFunSummary
- They share 4 benchmarks with published results for both. Codellama 70b Instruct scores higher in 0 categories and Step 3.5 Flash in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Step 3.5 Flash leads 50.5 to 24.8.
Side by side
| Codellama 70b Instruct | Step 3.5 Flash | |
|---|---|---|
| Provider | Meta | StepFun |
| Noometry Index | 33.7 | 42.3 |
| Released | — | 2026-01-29 |
| Weights | Open | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.30 |
| Results tracked | 7 | 19 |
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Category by category
Coding Step 3.5 Flash leads
Codellama 70b Instruct: 37.6 (#193), Step 3.5 Flash: 42.4 (#105)
| Benchmark | Codellama 70b Instruct | Step 3.5 Flash |
|---|---|---|
| BigCodeBench Instruct | 40.7% | — |
| LMArena Coding | — | 1436 |
| BigCodeBench Complete | 49.6% | — |
| HumanEval+ | 65.9% | — |
Reasoning Step 3.5 Flash leads
Codellama 70b Instruct: 20.1 (#242), Step 3.5 Flash: 22.2 (#202)
| Benchmark | Codellama 70b Instruct | Step 3.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 1052 | 1411 |
| NYT Connections (extended) | — | 28.4% |
Math Not comparable
Codellama 70b Instruct: —, Step 3.5 Flash: 42.6 (#84)
| Benchmark | Codellama 70b Instruct | Step 3.5 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 66.8% |
| LMArena Math | — | 1408 |
Knowledge Not comparable
Codellama 70b Instruct: —, Step 3.5 Flash: 39.6 (#132)
| Benchmark | Codellama 70b Instruct | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | — | 1421 |
Multilingual Step 3.5 Flash leads
Codellama 70b Instruct: 24.8 (#288), Step 3.5 Flash: 50.5 (#119)
| Benchmark | Codellama 70b Instruct | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | 992 | 1385 |
| LMArena Chinese | — | 1447 |
| LMArena French | — | 1421 |
| LMArena German | — | 1405 |
| LMArena Japanese | — | 1354 |
| LMArena Korean | — | 1352 |
| LMArena Russian | — | 1385 |
| LMArena Spanish | — | 1419 |
Instruction Following Step 3.5 Flash leads
Codellama 70b Instruct: 51.9 (#293), Step 3.5 Flash: 73.1 (#124)
| Benchmark | Codellama 70b Instruct | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 1024 | 1385 |
Long Context Not comparable
Codellama 70b Instruct: —, Step 3.5 Flash: 42.8 (#117)
| Benchmark | Codellama 70b Instruct | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | — | 1402 |
Writing & Preference Step 3.5 Flash leads
Codellama 70b Instruct: 33.4 (#277), Step 3.5 Flash: 58.8 (#113)
| Benchmark | Codellama 70b Instruct | Step 3.5 Flash |
|---|---|---|
| LMArena Text | 1057 | 1403 |
| LMArena Creative Writing | — | 1357 |
| LMArena Multi-Turn | — | 1405 |
Frequently asked questions
Is Codellama 70b Instruct better than Step 3.5 Flash?
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 33.7 on the Noometry Index.
Is Codellama 70b Instruct or Step 3.5 Flash better for coding?
Step 3.5 Flash scores higher on coding benchmarks: 42.4 versus 37.6 in the Noometry coding category.
How many benchmarks do Codellama 70b Instruct and Step 3.5 Flash share?
4 benchmarks have published results for both models. Codellama 70b Instruct has 7 scored results on Noometry and Step 3.5 Flash has 19.