# Gemini 1.5 Flash (May 2024) vs Step 5 Preview

> Step 5 Preview is the stronger model overall, scoring 47.9 to 33.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-flash-vs-step-5-preview
- Last updated: 2026-10-12
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. Gemini 1.5 Flash (May 2024) scores higher in 0 categories and Step 5 Preview in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Step 5 Preview leads 46.1 to 22.1.

## Snapshot

| | Gemini 1.5 Flash (May 2024) | Step 5 Preview |
|---|---|---|
| Provider | Google | StepFun |
| Noometry Index | 33.2 | 47.9 |
| Rank | 246 | 58 |
| Context | — | 1.02M |
| Input $/M | — | $1 |
| Output $/M | — | $2.70 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.5 Flash (May 2024): 34.4 (#236)
- Step 5 Preview: 51.8 (#36)

| Benchmark | Gemini 1.5 Flash (May 2024) | Step 5 Preview |
|---|---|---|
| LMArena Coding | 1261 | 1480 |
| LMArena WebDev | — | 1564 |
| SciCode | — | 58.9% |
| WeirdML | 24.9% | — |
| BigCodeBench Instruct | 43.5% | — |
| BigCodeBench Complete | 55.1% | — |
| HumanEval+ | 75.6% | — |
| MBPP+ | 67.5% | — |

## Agentic & Tool Use

- Gemini 1.5 Flash (May 2024): 26.6 (#102)
- Step 5 Preview: —

| Benchmark | Gemini 1.5 Flash (May 2024) | Step 5 Preview |
|---|---|---|
| BALROG | 14.6% | — |

## Reasoning

- Gemini 1.5 Flash (May 2024): 21.7 (#215)
- Step 5 Preview: 40.0 (#57)

| Benchmark | Gemini 1.5 Flash (May 2024) | Step 5 Preview |
|---|---|---|
| LMArena Hard Prompts | 1257 | 1465 |
| CritPt | — | 20.9% |
| DTBench | 53.8% | — |
| Epoch Capabilities Index | 129.36 | — |
| ForecastBench | 53.9 | — |
| PIQA | 87.5% | — |

## Math

- Gemini 1.5 Flash (May 2024): 22.1 (#281)
- Step 5 Preview: 46.1 (#72)

| Benchmark | Gemini 1.5 Flash (May 2024) | Step 5 Preview |
|---|---|---|
| LMArena Math | 1269 | 1470 |
| OTIS Mock AIME 2024-2025 | 16.3% | — |
| ProofBench | — | 42% |
| Omni-MATH | 30.4% | — |
| MATH Level 5 | 61.9% | — |
| FrontierMath (Feb 2025 set) | 0% | — |
| GSM8K | 82.4% | — |

## Knowledge

- Gemini 1.5 Flash (May 2024): 26.2 (#260)
- Step 5 Preview: 41.2 (#112)

| Benchmark | Gemini 1.5 Flash (May 2024) | Step 5 Preview |
|---|---|---|
| LMArena Expert | 1233 | 1470 |
| GPQA Diamond | 47.3% | — |
| MMLU-Pro | 67.8% | — |
| GPQA (HELM) | 43.7% | — |
| BoolQ | 85.8% | — |
| MMLU | 77.9% | — |

## Multimodal

- Gemini 1.5 Flash (May 2024): 36.0 (#81)
- Step 5 Preview: 41.0 (#41)

| Benchmark | Gemini 1.5 Flash (May 2024) | Step 5 Preview |
|---|---|---|
| LMArena Vision | 1141 | 1267 |
| Video-MME | 70.3% | — |
| GeoBench | 76% | — |

## Multilingual

- Gemini 1.5 Flash (May 2024): 42.9 (#189)
- Step 5 Preview: 53.8 (#54)

| Benchmark | Gemini 1.5 Flash (May 2024) | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1278 | 1432 |
| LMArena Chinese | 1295 | 1519 |
| LMArena Russian | 1288 | 1436 |
| LMArena Spanish | 1243 | 1439 |
| LMArena French | 1258 | — |
| LMArena German | 1262 | — |
| LMArena Japanese | 1252 | — |
| LMArena Korean | 1221 | — |

## Instruction Following

- Gemini 1.5 Flash (May 2024): 66.8 (#205)
- Step 5 Preview: 76.0 (#50)

| Benchmark | Gemini 1.5 Flash (May 2024) | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1258 | 1444 |
| IFEval | 83.1% | — |

## Long Context

- Gemini 1.5 Flash (May 2024): 39.0 (#187)
- Step 5 Preview: 44.5 (#64)

| Benchmark | Gemini 1.5 Flash (May 2024) | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1284 | 1455 |

## Writing & Preference

- Gemini 1.5 Flash (May 2024): 48.7 (#196)
- Step 5 Preview: 62.8 (#71)

| Benchmark | Gemini 1.5 Flash (May 2024) | Step 5 Preview |
|---|---|---|
| LMArena Text | 1287 | 1442 |
| LMArena Creative Writing | 1285 | 1410 |
| LMArena Multi-Turn | 1253 | 1447 |
| WildBench | 79.2% | — |

## FAQ

### Is Gemini 1.5 Flash (May 2024) better than Step 5 Preview?

Step 5 Preview is the stronger model overall, scoring 47.9 to 33.2 on the Noometry Index.

### Is Gemini 1.5 Flash (May 2024) or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 51.8 versus 34.4 in the Noometry coding category.

### How many benchmarks do Gemini 1.5 Flash (May 2024) and Step 5 Preview share?

14 benchmarks have published results for both models. Gemini 1.5 Flash (May 2024) has 42 scored results on Noometry and Step 5 Preview has 18.