# Qwen2.5 7B Instruct vs Step 5 Preview

> Step 5 Preview is the stronger model overall, scoring 43.8 to 28.6 on the Noometry Index. Qwen2.5 7B Instruct costs 4.7× less per token, which makes it the better buy when Step 5 Preview's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/qwen2-5-7b-instruct-vs-step-5-preview
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Step 5 Preview leads 38.0 to 14.3.
- Qwen2.5 7B Instruct is cheaper at $0.17 / $0.70 per million input/output tokens, against $1 / $2.70 for Step 5 Preview.
- Step 5 Preview accepts more context: 1.02M tokens versus 131K.
- Qwen2.5 7B Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen2.5 7B Instruct | Step 5 Preview |
|---|---|---|
| Provider | Alibaba (Qwen) | StepFun |
| Noometry Index | 28.6 | 43.8 |
| Rank | 314 | 78 |
| Context | 131K | 1.02M |
| Input $/M | $0.17 | $1 |
| Output $/M | $0.70 | $2.70 |
| Weights | Open | Proprietary |

## Coding

- Qwen2.5 7B Instruct: 35.9 (#204)
- Step 5 Preview: 50.6 (#40)

| Benchmark | Qwen2.5 7B Instruct | Step 5 Preview |
|---|---|---|
| LMArena WebDev | — | 1569 |
| SciCode | — | 58.9% |
| BigCodeBench Instruct | 37.6% | — |
| BigCodeBench Complete | 46.1% | — |

## Agentic & Tool Use

- Qwen2.5 7B Instruct: 23.5 (#117)
- Step 5 Preview: —

| Benchmark | Qwen2.5 7B Instruct | Step 5 Preview |
|---|---|---|
| BALROG | 7.8% | — |

## Reasoning

- Qwen2.5 7B Instruct: 14.3 (#317)
- Step 5 Preview: 38.0 (#58)

| Benchmark | Qwen2.5 7B Instruct | Step 5 Preview |
|---|---|---|
| CritPt | — | 20.9% |
| Chess Puzzles | 0% | — |
| DTBench | 47.7% | — |
| LMCA | 6.4% | — |
| Epoch Capabilities Index | 118.44 | — |

## Math

- Qwen2.5 7B Instruct: 11.8 (#300)
- Step 5 Preview: —

| Benchmark | Qwen2.5 7B Instruct | Step 5 Preview |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| Omni-MATH | 29.4% | — |

## Knowledge

- Qwen2.5 7B Instruct: 17.0 (#281)
- Step 5 Preview: —

| Benchmark | Qwen2.5 7B Instruct | Step 5 Preview |
|---|---|---|
| GPQA Diamond | 35.5% | — |
| MMLU-Pro | 53.9% | — |
| GPQA (HELM) | 34.1% | — |
| MMLU | 72.9% | — |

## Instruction Following

- Qwen2.5 7B Instruct: 63.4 (#226)
- Step 5 Preview: —

| Benchmark | Qwen2.5 7B Instruct | Step 5 Preview |
|---|---|---|
| IFEval | 74.1% | — |

## Writing & Preference

- Qwen2.5 7B Instruct: 48.8 (#194)
- Step 5 Preview: —

| Benchmark | Qwen2.5 7B Instruct | Step 5 Preview |
|---|---|---|
| WildBench | 73.1% | — |

## FAQ

### Is Qwen2.5 7B Instruct better than Step 5 Preview?

Step 5 Preview is the stronger model overall, scoring 43.8 to 28.6 on the Noometry Index. Qwen2.5 7B Instruct costs 4.7× less per token, which makes it the better buy when Step 5 Preview's lead doesn't matter for your workload.

### Which is cheaper, Qwen2.5 7B Instruct or Step 5 Preview?

Qwen2.5 7B Instruct is cheaper. It lists at $0.17 per million input tokens and $0.70 per million output tokens; Step 5 Preview lists at $1 and $2.70.

### Is Qwen2.5 7B Instruct or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 50.6 versus 35.9 in the Noometry coding category.

### Which has the bigger context window?

Step 5 Preview does, with 1.02M tokens against 131K.

### How many benchmarks do Qwen2.5 7B Instruct and Step 5 Preview share?

0 benchmarks have published results for both models. Qwen2.5 7B Instruct has 15 scored results on Noometry and Step 5 Preview has 3.