# Step 3.7 Flash vs Yi-1.5-34B

> Step 3.7 Flash is the stronger model overall, scoring 36.5 to 30.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/step-3-7-flash-vs-yi-1-5-34b
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Step 3.7 Flash leads 40.9 to 25.3.

## Snapshot

| | Step 3.7 Flash | Yi-1.5-34B |
|---|---|---|
| Provider | StepFun | 01.AI |
| Noometry Index | 36.5 | 30.2 |
| Rank | 207 | 286 |
| Context | 256K | — |
| Input $/M | $0.18 | — |
| Output $/M | $1.11 | — |
| Weights | Open | Open |

## Coding

- Step 3.7 Flash: 39.4 (#147)
- Yi-1.5-34B: 31.9 (#267)

| Benchmark | Step 3.7 Flash | Yi-1.5-34B |
|---|---|---|
| SciCode | 40% | — |
| BigCodeBench Instruct | — | 33.9% |
| LMArena Coding | — | 1169 |
| BigCodeBench Complete | — | 43.8% |
| ALE-Bench | 694.12 | — |

## Reasoning

- Step 3.7 Flash: 20.9 (#211)
- Yi-1.5-34B: 21.5 (#195)

| Benchmark | Step 3.7 Flash | Yi-1.5-34B |
|---|---|---|
| NYT Connections (extended) | 39.7% | — |
| CritPt | 2.3% | — |
| LMArena Hard Prompts | — | 1160 |

## Math

- Step 3.7 Flash: 40.9 (#74)
- Yi-1.5-34B: 25.3 (#248)

| Benchmark | Step 3.7 Flash | Yi-1.5-34B |
|---|---|---|
| MathArena Final-Answer Competitions | 68.5% | — |
| LMArena Math | — | 1182 |
| MATH Level 5 | — | 25.5% |

## Knowledge

- Step 3.7 Flash: —
- Yi-1.5-34B: 14.8 (#290)

| Benchmark | Step 3.7 Flash | Yi-1.5-34B |
|---|---|---|
| GPQA Diamond | — | 32% |
| LMArena Expert | — | 1144 |

## Multilingual

- Step 3.7 Flash: —
- Yi-1.5-34B: 32.5 (#251)

| Benchmark | Step 3.7 Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | — | 1121 |
| LMArena Chinese | — | 1213 |
| LMArena French | — | 1155 |
| LMArena German | — | 1111 |
| LMArena Japanese | — | 1021 |
| LMArena Korean | — | 1005 |
| LMArena Russian | — | 1091 |
| LMArena Spanish | — | 1120 |

## Instruction Following

- Step 3.7 Flash: —
- Yi-1.5-34B: 59.4 (#252)

| Benchmark | Step 3.7 Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | — | 1139 |

## Long Context

- Step 3.7 Flash: —
- Yi-1.5-34B: 34.6 (#243)

| Benchmark | Step 3.7 Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | — | 1144 |

## Writing & Preference

- Step 3.7 Flash: —
- Yi-1.5-34B: 37.6 (#252)

| Benchmark | Step 3.7 Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Text | — | 1173 |
| LMArena Creative Writing | — | 1135 |
| LMArena Multi-Turn | — | 1153 |

## FAQ

### Is Step 3.7 Flash better than Yi-1.5-34B?

Step 3.7 Flash is the stronger model overall, scoring 36.5 to 30.2 on the Noometry Index.

### Is Step 3.7 Flash or Yi-1.5-34B better for coding?

Step 3.7 Flash scores higher on coding benchmarks: 39.4 versus 31.9 in the Noometry coding category.

### How many benchmarks do Step 3.7 Flash and Yi-1.5-34B share?

0 benchmarks have published results for both models. Step 3.7 Flash has 5 scored results on Noometry and Yi-1.5-34B has 21.