Model comparison
Gemma 2 2b IT vs Step 5 Preview
Step 5 Preview is the stronger model overall, scoring 47.9 to 33.1 on the Noometry Index.
Last verified . 13 shared benchmarks.
Google
StepFunSummary
- They share 13 benchmarks with published results for both. Gemma 2 2b IT scores higher in 0 categories and Step 5 Preview in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 5 Preview leads 62.8 to 36.5.
- Gemma 2 2b IT has downloadable open weights; the other is API-only.
Side by side
| Gemma 2 2b IT | Step 5 Preview | |
|---|---|---|
| Provider | StepFun | |
| Noometry Index | 33.1 | 47.9 |
| 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 | 17 | 18 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Step 5 Preview leads
Gemma 2 2b IT: 32.3 (#273), Step 5 Preview: 51.8 (#36)
| Benchmark | Gemma 2 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Coding | 1112 | 1480 |
| LMArena WebDev | — | 1564 |
| SciCode | — | 58.9% |
Reasoning Step 5 Preview leads
Gemma 2 2b IT: 21.4 (#224), Step 5 Preview: 40.0 (#57)
| Benchmark | Gemma 2 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Hard Prompts | 1113 | 1465 |
| CritPt | — | 20.9% |
Math Step 5 Preview leads
Gemma 2 2b IT: 32.6 (#212), Step 5 Preview: 46.1 (#72)
| Benchmark | Gemma 2 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Math | 1135 | 1470 |
| ProofBench | — | 42% |
Knowledge Step 5 Preview leads
Gemma 2 2b IT: 29.9 (#231), Step 5 Preview: 41.2 (#112)
| Benchmark | Gemma 2 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Expert | 1096 | 1470 |
Multimodal Not comparable
Gemma 2 2b IT: —, Step 5 Preview: 41.0 (#41)
| Benchmark | Gemma 2 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Vision | — | 1267 |
Multilingual Step 5 Preview leads
Gemma 2 2b IT: 32.3 (#257), Step 5 Preview: 53.8 (#54)
| Benchmark | Gemma 2 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1121 | 1432 |
| LMArena Chinese | 1132 | 1519 |
| LMArena Russian | 1118 | 1436 |
| LMArena Spanish | 1140 | 1439 |
| LMArena French | 1157 | — |
| LMArena German | 1114 | — |
| LMArena Japanese | 1083 | — |
| LMArena Korean | 1055 | — |
Instruction Following Step 5 Preview leads
Gemma 2 2b IT: 57.8 (#263), Step 5 Preview: 76.0 (#50)
| Benchmark | Gemma 2 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1118 | 1444 |
Long Context Step 5 Preview leads
Gemma 2 2b IT: 34.3 (#250), Step 5 Preview: 44.5 (#64)
| Benchmark | Gemma 2 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1130 | 1455 |
Writing & Preference Step 5 Preview leads
Gemma 2 2b IT: 36.5 (#263), Step 5 Preview: 62.8 (#71)
| Benchmark | Gemma 2 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Text | 1156 | 1442 |
| LMArena Creative Writing | 1147 | 1410 |
| LMArena Multi-Turn | 1118 | 1447 |
Frequently asked questions
Is Gemma 2 2b IT better than Step 5 Preview?
Step 5 Preview is the stronger model overall, scoring 47.9 to 33.1 on the Noometry Index.
Is Gemma 2 2b IT or Step 5 Preview better for coding?
Step 5 Preview scores higher on coding benchmarks: 51.8 versus 32.3 in the Noometry coding category.
How many benchmarks do Gemma 2 2b IT and Step 5 Preview share?
13 benchmarks have published results for both models. Gemma 2 2b IT has 17 scored results on Noometry and Step 5 Preview has 18.