Model comparison
Llama 2-7B vs Step 3.5 Flash
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 29.1 on the Noometry Index.
Last verified . 15 shared benchmarks.
Meta
StepFunSummary
- They share 15 benchmarks with published results for both. Llama 2-7B scores higher in 0 categories and Step 3.5 Flash in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 3.5 Flash leads 58.8 to 28.0.
Side by side
| Llama 2-7B | Step 3.5 Flash | |
|---|---|---|
| Provider | Meta | StepFun |
| Noometry Index | 29.1 | 42.3 |
| Released | 2023-07-18 | 2026-01-29 |
| Weights | Open | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.30 |
| Results tracked | 29 | 19 |
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Category by category
Coding Step 3.5 Flash leads
Llama 2-7B: 29.2 (#307), Step 3.5 Flash: 42.4 (#105)
| Benchmark | Llama 2-7B | Step 3.5 Flash |
|---|---|---|
| LMArena Coding | 1002 | 1436 |
Reasoning Step 3.5 Flash leads
Llama 2-7B: 15.7 (#312), Step 3.5 Flash: 22.2 (#202)
| Benchmark | Llama 2-7B | Step 3.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 1009 | 1411 |
| NYT Connections (extended) | — | 28.4% |
| Chess Puzzles | 0% | — |
| BIG-Bench Hard | 39.2% | — |
| Epoch Capabilities Index | 99.06 | — |
| HellaSwag | 77.2% | — |
| LAMBADA | 73.3% | — |
| PIQA | 78.8% | — |
| WinoGrande | 69.2% | — |
Math Step 3.5 Flash leads
Llama 2-7B: 30.7 (#233), Step 3.5 Flash: 42.6 (#84)
| Benchmark | Llama 2-7B | Step 3.5 Flash |
|---|---|---|
| LMArena Math | 1042 | 1408 |
| MathArena Final-Answer Competitions | — | 66.8% |
| GSM8K | 16.7% | — |
Knowledge Step 3.5 Flash leads
Llama 2-7B: 28.2 (#248), Step 3.5 Flash: 39.6 (#132)
| Benchmark | Llama 2-7B | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | 1036 | 1421 |
| ARC (AI2) Challenge | 45.9% | — |
| BoolQ | 77.9% | — |
| MMLU | 45.8% | — |
| OpenBookQA | 58.6% | — |
| TriviaQA | 73.7% | — |
Multimodal Not comparable
Llama 2-7B: —, Step 3.5 Flash: —
| Benchmark | Llama 2-7B | Step 3.5 Flash |
|---|---|---|
| ScienceQA | 43.1% | — |
Multilingual Step 3.5 Flash leads
Llama 2-7B: 23.8 (#293), Step 3.5 Flash: 50.5 (#119)
| Benchmark | Llama 2-7B | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | 973 | 1385 |
| LMArena Chinese | 973 | 1447 |
| LMArena French | 970 | 1421 |
| LMArena German | 978 | 1405 |
| LMArena Russian | 995 | 1385 |
| LMArena Spanish | 1007 | 1419 |
| LMArena Japanese | — | 1354 |
| LMArena Korean | — | 1352 |
Instruction Following Step 3.5 Flash leads
Llama 2-7B: 50.8 (#298), Step 3.5 Flash: 73.1 (#124)
| Benchmark | Llama 2-7B | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 1006 | 1385 |
Long Context Step 3.5 Flash leads
Llama 2-7B: 30.4 (#287), Step 3.5 Flash: 42.8 (#117)
| Benchmark | Llama 2-7B | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | 999 | 1402 |
Writing & Preference Step 3.5 Flash leads
Llama 2-7B: 28.0 (#298), Step 3.5 Flash: 58.8 (#113)
| Benchmark | Llama 2-7B | Step 3.5 Flash |
|---|---|---|
| LMArena Text | 1053 | 1403 |
| LMArena Creative Writing | 1033 | 1357 |
| LMArena Multi-Turn | 1029 | 1405 |
Frequently asked questions
Is Llama 2-7B better than Step 3.5 Flash?
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 29.1 on the Noometry Index.
Is Llama 2-7B or Step 3.5 Flash better for coding?
Step 3.5 Flash scores higher on coding benchmarks: 42.4 versus 29.2 in the Noometry coding category.
How many benchmarks do Llama 2-7B and Step 3.5 Flash share?
15 benchmarks have published results for both models. Llama 2-7B has 29 scored results on Noometry and Step 3.5 Flash has 19.