Model comparison
Gemma 1.1 2b IT vs Step 5 Preview
Step 5 Preview is the stronger model overall, scoring 47.9 to 29.3 on the Noometry Index.
Last verified . 12 shared benchmarks.
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StepFunSummary
- They share 12 benchmarks with published results for both. Gemma 1.1 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 25.1.
- Gemma 1.1 2b IT has downloadable open weights; the other is API-only.
Side by side
| Gemma 1.1 2b IT | Step 5 Preview | |
|---|---|---|
| Provider | StepFun | |
| Noometry Index | 29.3 | 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 | 16 | 18 |
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Category by category
Coding Step 5 Preview leads
Gemma 1.1 2b IT: 30.1 (#299), Step 5 Preview: 51.8 (#36)
| Benchmark | Gemma 1.1 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Coding | 1034 | 1480 |
| LMArena WebDev | — | 1564 |
| SciCode | — | 58.9% |
| HumanEval+ | 17.7% | — |
| MBPP+ | 23.3% | — |
Reasoning Step 5 Preview leads
Gemma 1.1 2b IT: 19.1 (#270), Step 5 Preview: 40.0 (#57)
| Benchmark | Gemma 1.1 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Hard Prompts | 1005 | 1465 |
| CritPt | — | 20.9% |
Math Step 5 Preview leads
Gemma 1.1 2b IT: 30.8 (#232), Step 5 Preview: 46.1 (#72)
| Benchmark | Gemma 1.1 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Math | 1047 | 1470 |
| ProofBench | — | 42% |
Knowledge Step 5 Preview leads
Gemma 1.1 2b IT: 26.5 (#258), Step 5 Preview: 41.2 (#112)
| Benchmark | Gemma 1.1 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Expert | 970 | 1470 |
Multimodal Not comparable
Gemma 1.1 2b IT: —, Step 5 Preview: 41.0 (#41)
| Benchmark | Gemma 1.1 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Vision | — | 1267 |
Multilingual Step 5 Preview leads
Gemma 1.1 2b IT: 24.6 (#289), Step 5 Preview: 53.8 (#54)
| Benchmark | Gemma 1.1 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 988 | 1432 |
| LMArena Chinese | 1012 | 1519 |
| LMArena Russian | 990 | 1436 |
| LMArena German | 944 | — |
| LMArena Korean | 899 | — |
| LMArena Spanish | — | 1439 |
Instruction Following Step 5 Preview leads
Gemma 1.1 2b IT: 49.9 (#299), Step 5 Preview: 76.0 (#50)
| Benchmark | Gemma 1.1 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 992 | 1444 |
Long Context Step 5 Preview leads
Gemma 1.1 2b IT: 30.6 (#286), Step 5 Preview: 44.5 (#64)
| Benchmark | Gemma 1.1 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1003 | 1455 |
Writing & Preference Step 5 Preview leads
Gemma 1.1 2b IT: 25.1 (#306), Step 5 Preview: 62.8 (#71)
| Benchmark | Gemma 1.1 2b IT | Step 5 Preview |
|---|---|---|
| LMArena Text | 1022 | 1442 |
| LMArena Creative Writing | 998 | 1410 |
| LMArena Multi-Turn | 959 | 1447 |
Frequently asked questions
Is Gemma 1.1 2b IT better than Step 5 Preview?
Step 5 Preview is the stronger model overall, scoring 47.9 to 29.3 on the Noometry Index.
Is Gemma 1.1 2b IT or Step 5 Preview better for coding?
Step 5 Preview scores higher on coding benchmarks: 51.8 versus 30.1 in the Noometry coding category.
How many benchmarks do Gemma 1.1 2b IT and Step 5 Preview share?
12 benchmarks have published results for both models. Gemma 1.1 2b IT has 16 scored results on Noometry and Step 5 Preview has 18.