Model comparison
OLMo 2 Furious 13B vs Step 3.5 Flash
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 29.7 on the Noometry Index.
Last verified . 0 shared benchmarks.
Allen Institute for AI (Ai2)
StepFunSummary
- The widest gap is in knowledge, where Step 3.5 Flash leads 39.6 to 18.3.
Side by side
| OLMo 2 Furious 13B | Step 3.5 Flash | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | StepFun |
| Noometry Index | 29.7 | 42.3 |
| Released | 2024-12-31 | 2026-01-29 |
| Weights | Open | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.30 |
| Results tracked | 12 | 19 |
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Category by category
Coding Step 3.5 Flash leads
OLMo 2 Furious 13B: 28.6 (#313), Step 3.5 Flash: 42.4 (#105)
| Benchmark | OLMo 2 Furious 13B | Step 3.5 Flash |
|---|---|---|
| LiveBench Coding | 10.4% | — |
| LMArena Coding | — | 1436 |
Reasoning Step 3.5 Flash leads
OLMo 2 Furious 13B: 15.5 (#314), Step 3.5 Flash: 22.2 (#202)
| Benchmark | OLMo 2 Furious 13B | Step 3.5 Flash |
|---|---|---|
| NYT Connections (extended) | — | 28.4% |
| LiveBench Reasoning | 16.3% | — |
| LMArena Hard Prompts | — | 1411 |
| LiveBench Data Analysis | 20.6% | — |
| LiveBench | 22.1% | — |
Math Step 3.5 Flash leads
OLMo 2 Furious 13B: 23.1 (#273), Step 3.5 Flash: 42.6 (#84)
| Benchmark | OLMo 2 Furious 13B | Step 3.5 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 66.8% |
| Omni-MATH | 15.6% | — |
| LiveBench Math | 13.6% | — |
| LMArena Math | — | 1408 |
Knowledge Step 3.5 Flash leads
OLMo 2 Furious 13B: 18.3 (#283), Step 3.5 Flash: 39.6 (#132)
| Benchmark | OLMo 2 Furious 13B | Step 3.5 Flash |
|---|---|---|
| MMLU-Pro | 31% | — |
| GPQA (HELM) | 31.6% | — |
| LMArena Expert | — | 1421 |
Multilingual Not comparable
OLMo 2 Furious 13B: —, Step 3.5 Flash: 50.5 (#119)
| Benchmark | OLMo 2 Furious 13B | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | — | 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
OLMo 2 Furious 13B: 60.9 (#248), Step 3.5 Flash: 73.1 (#124)
| Benchmark | OLMo 2 Furious 13B | Step 3.5 Flash |
|---|---|---|
| LiveBench Instruction Following | 60.6% | — |
| IFEval | 73% | — |
| LMArena Instruction Following | — | 1385 |
Long Context Not comparable
OLMo 2 Furious 13B: —, Step 3.5 Flash: 42.8 (#117)
| Benchmark | OLMo 2 Furious 13B | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | — | 1402 |
Writing & Preference Step 3.5 Flash leads
OLMo 2 Furious 13B: 42.9 (#230), Step 3.5 Flash: 58.8 (#113)
| Benchmark | OLMo 2 Furious 13B | Step 3.5 Flash |
|---|---|---|
| LMArena Text | — | 1403 |
| LMArena Creative Writing | — | 1357 |
| WildBench | 68.9% | — |
| LMArena Multi-Turn | — | 1405 |
| LiveBench Language | 11.2% | — |
Frequently asked questions
Is OLMo 2 Furious 13B better than Step 3.5 Flash?
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 29.7 on the Noometry Index.
Is OLMo 2 Furious 13B or Step 3.5 Flash better for coding?
Step 3.5 Flash scores higher on coding benchmarks: 42.4 versus 28.6 in the Noometry coding category.
How many benchmarks do OLMo 2 Furious 13B and Step 3.5 Flash share?
0 benchmarks have published results for both models. OLMo 2 Furious 13B has 12 scored results on Noometry and Step 3.5 Flash has 19.