Model comparison
Dolly 2.0-12b vs Step 3.5 Flash
Step 3.5 Flash is the stronger model overall, scoring 41.7 to 24.9 on the Noometry Index.
Last verified . 9 shared benchmarks.
Databricks
StepFunSummary
- They share 9 benchmarks with published results for both. Dolly 2.0-12b scores higher in 0 categories and Step 3.5 Flash in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 3.5 Flash leads 59.0 to 15.3.
Side by side
| Dolly 2.0-12b | Step 3.5 Flash | |
|---|---|---|
| Provider | Databricks | StepFun |
| Noometry Index | 24.9 | 41.7 |
| Released | 2023-04-11 | 2026-01-29 |
| Weights | Open | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.30 |
| Results tracked | 17 | 19 |
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Category by category
Coding Step 3.5 Flash leads
Dolly 2.0-12b: 23.0 (#327), Step 3.5 Flash: 41.7 (#106)
| Benchmark | Dolly 2.0-12b | Step 3.5 Flash |
|---|---|---|
| LMArena Coding | 776 | 1436 |
Reasoning Step 3.5 Flash leads
Dolly 2.0-12b: 14.6 (#315), Step 3.5 Flash: 21.2 (#202)
| Benchmark | Dolly 2.0-12b | Step 3.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 804 | 1411 |
| NYT Connections (extended) | — | 28.4% |
| Epoch Capabilities Index | 88.94 | — |
| HellaSwag | 70.8% | — |
| PIQA | 75.4% | — |
| WinoGrande | 61.8% | — |
Math Step 3.5 Flash leads
Dolly 2.0-12b: 25.0 (#250), Step 3.5 Flash: 40.6 (#77)
| Benchmark | Dolly 2.0-12b | Step 3.5 Flash |
|---|---|---|
| LMArena Math | 871 | 1408 |
| MathArena Final-Answer Competitions | — | 66.8% |
Knowledge Not comparable
Dolly 2.0-12b: —, Step 3.5 Flash: 39.0 (#127)
| Benchmark | Dolly 2.0-12b | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | — | 1422 |
| ARC (AI2) Challenge | 39.6% | — |
| BoolQ | 56.3% | — |
| MMLU | 26.2% | — |
| OpenBookQA | 39.2% | — |
Multilingual Step 3.5 Flash leads
Dolly 2.0-12b: 17.4 (#291), Step 3.5 Flash: 50.7 (#115)
| Benchmark | Dolly 2.0-12b | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | 836 | 1386 |
| LMArena Chinese | 836 | 1448 |
| LMArena French | — | 1421 |
| LMArena German | — | 1404 |
| LMArena Japanese | — | 1353 |
| LMArena Korean | — | 1350 |
| LMArena Russian | — | 1385 |
| LMArena Spanish | — | 1419 |
Instruction Following Step 3.5 Flash leads
Dolly 2.0-12b: 38.9 (#299), Step 3.5 Flash: 73.3 (#119)
| Benchmark | Dolly 2.0-12b | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 814 | 1385 |
Long Context Not comparable
Dolly 2.0-12b: —, Step 3.5 Flash: 42.8 (#112)
| Benchmark | Dolly 2.0-12b | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | — | 1402 |
Writing & Preference Step 3.5 Flash leads
Dolly 2.0-12b: 15.3 (#306), Step 3.5 Flash: 59.0 (#108)
| Benchmark | Dolly 2.0-12b | Step 3.5 Flash |
|---|---|---|
| LMArena Text | 851 | 1403 |
| LMArena Creative Writing | 864 | 1357 |
| LMArena Multi-Turn | 740 | 1405 |
Frequently asked questions
Is Dolly 2.0-12b better than Step 3.5 Flash?
Step 3.5 Flash is the stronger model overall, scoring 41.7 to 24.9 on the Noometry Index.
Is Dolly 2.0-12b or Step 3.5 Flash better for coding?
Step 3.5 Flash scores higher on coding benchmarks: 41.7 versus 23.0 in the Noometry coding category.
How many benchmarks do Dolly 2.0-12b and Step 3.5 Flash share?
9 benchmarks have published results for both models. Dolly 2.0-12b has 17 scored results on Noometry and Step 3.5 Flash has 19.