Model comparison
Gemini 2.0 Pro vs Step 3.5 Flash
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 39.1 on the Noometry Index.
Last verified . 0 shared benchmarks.
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StepFunSummary
- The widest gap is in long context, where Step 3.5 Flash leads 42.8 to 29.2.
- Step 3.5 Flash has downloadable open weights; the other is API-only.
Side by side
| Gemini 2.0 Pro | Step 3.5 Flash | |
|---|---|---|
| Provider | StepFun | |
| Noometry Index | 39.1 | 42.3 |
| Released | 2025-02-05 | 2026-01-29 |
| Weights | Proprietary | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.30 |
| Results tracked | 14 | 19 |
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Category by category
Coding Step 3.5 Flash leads
Gemini 2.0 Pro: 37.8 (#187), Step 3.5 Flash: 42.4 (#105)
| Benchmark | Gemini 2.0 Pro | Step 3.5 Flash |
|---|---|---|
| Aider Polyglot | 35.6% | — |
| LiveBench Coding | 63.5% | — |
| LMArena Coding | — | 1436 |
Reasoning Too close to call
Gemini 2.0 Pro: 22.3 (#198), Step 3.5 Flash: 22.2 (#202)
| Benchmark | Gemini 2.0 Pro | Step 3.5 Flash |
|---|---|---|
| NYT Connections (extended) | — | 28.4% |
| EnigmaEval | 0.7% | — |
| LiveBench Reasoning | 60.1% | — |
| LMArena Hard Prompts | — | 1411 |
| LiveBench Data Analysis | 68% | — |
| Epoch Capabilities Index | 135.06 | — |
| LiveBench | 65.1% | — |
Math Step 3.5 Flash leads
Gemini 2.0 Pro: 39.7 (#100), Step 3.5 Flash: 42.6 (#84)
| Benchmark | Gemini 2.0 Pro | Step 3.5 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 66.8% |
| LiveBench Math | 71% | — |
| LMArena Math | — | 1408 |
| MATH Level 5 | 83.5% | — |
Knowledge Step 3.5 Flash leads
Gemini 2.0 Pro: 36.5 (#167), Step 3.5 Flash: 39.6 (#132)
| Benchmark | Gemini 2.0 Pro | Step 3.5 Flash |
|---|---|---|
| GPQA Diamond | 65.7% | — |
| Confabulations | 18.4% | — |
| LMArena Expert | — | 1421 |
Multilingual Not comparable
Gemini 2.0 Pro: —, Step 3.5 Flash: 50.5 (#119)
| Benchmark | Gemini 2.0 Pro | 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 Gemini 2.0 Pro leads
Gemini 2.0 Pro: 75.5 (#59), Step 3.5 Flash: 73.1 (#124)
| Benchmark | Gemini 2.0 Pro | Step 3.5 Flash |
|---|---|---|
| LiveBench Instruction Following | 83.4% | — |
| LMArena Instruction Following | — | 1385 |
Long Context Step 3.5 Flash leads
Gemini 2.0 Pro: 29.2 (#292), Step 3.5 Flash: 42.8 (#117)
| Benchmark | Gemini 2.0 Pro | Step 3.5 Flash |
|---|---|---|
| Fiction.LiveBench | 41.7% | — |
| LMArena Longer Query | — | 1402 |
Writing & Preference Step 3.5 Flash leads
Gemini 2.0 Pro: 52.7 (#165), Step 3.5 Flash: 58.8 (#113)
| Benchmark | Gemini 2.0 Pro | Step 3.5 Flash |
|---|---|---|
| LMArena Text | — | 1403 |
| LMArena Creative Writing | — | 1357 |
| LMArena Multi-Turn | — | 1405 |
| LiveBench Language | 44.9% | — |
Frequently asked questions
Is Gemini 2.0 Pro better than Step 3.5 Flash?
Step 3.5 Flash is the stronger model overall, scoring 42.3 to 39.1 on the Noometry Index.
Is Gemini 2.0 Pro or Step 3.5 Flash better for coding?
Step 3.5 Flash scores higher on coding benchmarks: 42.4 versus 37.8 in the Noometry coding category.
How many benchmarks do Gemini 2.0 Pro and Step 3.5 Flash share?
0 benchmarks have published results for both models. Gemini 2.0 Pro has 14 scored results on Noometry and Step 3.5 Flash has 19.