# Mixtral 8x7B vs Step 3.7 Flash

> Step 3.7 Flash is the stronger model overall, scoring 36.5 to 26.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mixtral-8x7b-vs-step-3-7-flash
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Step 3.7 Flash leads 40.9 to 17.2.
- Step 3.7 Flash is cheaper at $0.18 / $1.11 per million input/output tokens, against $0.70 / $0.70 for Mixtral 8x7B.
- Step 3.7 Flash accepts more context: 256K tokens versus 32K.

## Snapshot

| | Mixtral 8x7B | Step 3.7 Flash |
|---|---|---|
| Provider | Mistral AI | StepFun |
| Noometry Index | 26.8 | 36.5 |
| Rank | 328 | 207 |
| Context | 32K | 256K |
| Input $/M | $0.70 | $0.18 |
| Output $/M | $0.70 | $1.11 |
| Weights | Open | Open |

## Coding

- Mixtral 8x7B: 32.2 (#265)
- Step 3.7 Flash: 39.4 (#147)

| Benchmark | Mixtral 8x7B | Step 3.7 Flash |
|---|---|---|
| SciCode | — | 40% |
| LMArena Coding | 1127 | — |
| ALE-Bench | — | 694.12 |
| HumanEval+ | 39.6% | — |
| MBPP+ | 49.7% | — |

## Reasoning

- Mixtral 8x7B: 17.4 (#283)
- Step 3.7 Flash: 20.9 (#211)

| Benchmark | Mixtral 8x7B | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| LMArena Hard Prompts | 1115 | — |
| DTBench | 49.6% | — |
| Adversarial NLI | 55.2% | — |
| Epoch Capabilities Index | 118.38 | — |
| ForecastBench | 56.3 | — |
| HellaSwag | 86.7% | — |
| PIQA | 83.6% | — |
| WinoGrande | 77.2% | — |

## Math

- Mixtral 8x7B: 17.2 (#284)
- Step 3.7 Flash: 40.9 (#74)

| Benchmark | Mixtral 8x7B | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| Omni-MATH | 10.5% | — |
| LMArena Math | 1147 | — |
| MATH Level 5 | 10% | — |
| GSM8K | 74.4% | — |

## Knowledge

- Mixtral 8x7B: 11.0 (#296)
- Step 3.7 Flash: —

| Benchmark | Mixtral 8x7B | Step 3.7 Flash |
|---|---|---|
| GPQA Diamond | 30.6% | — |
| MMLU-Pro | 33.5% | — |
| GPQA (HELM) | 29.6% | — |
| LMArena Expert | 1088 | — |
| ARC (AI2) Challenge | 87.3% | — |
| MMLU | 70.6% | — |
| OpenBookQA | 85.8% | — |
| TriviaQA | 82.2% | — |

## Multilingual

- Mixtral 8x7B: 29.8 (#261)
- Step 3.7 Flash: —

| Benchmark | Mixtral 8x7B | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1077 | — |
| LMArena Chinese | 1055 | — |
| LMArena French | 1165 | — |
| LMArena German | 1114 | — |
| LMArena Japanese | 931 | — |
| LMArena Korean | 968 | — |
| LMArena Russian | 1090 | — |
| LMArena Spanish | 1110 | — |

## Instruction Following

- Mixtral 8x7B: 51.2 (#292)
- Step 3.7 Flash: —

| Benchmark | Mixtral 8x7B | Step 3.7 Flash |
|---|---|---|
| IFEval | 57.5% | — |
| LMArena Instruction Following | 1110 | — |

## Long Context

- Mixtral 8x7B: 33.4 (#255)
- Step 3.7 Flash: —

| Benchmark | Mixtral 8x7B | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1103 | — |

## Writing & Preference

- Mixtral 8x7B: 34.4 (#265)
- Step 3.7 Flash: —

| Benchmark | Mixtral 8x7B | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1132 | — |
| LMArena Creative Writing | 1109 | — |
| WildBench | 67.3% | — |
| LMArena Multi-Turn | 1115 | — |

## FAQ

### Is Mixtral 8x7B better than Step 3.7 Flash?

Step 3.7 Flash is the stronger model overall, scoring 36.5 to 26.8 on the Noometry Index.

### Which is cheaper, Mixtral 8x7B or Step 3.7 Flash?

Step 3.7 Flash is cheaper. It lists at $0.18 per million input tokens and $1.11 per million output tokens; Mixtral 8x7B lists at $0.70 and $0.70.

### Is Mixtral 8x7B or Step 3.7 Flash better for coding?

Step 3.7 Flash scores higher on coding benchmarks: 39.4 versus 32.2 in the Noometry coding category.

### Which has the bigger context window?

Step 3.7 Flash does, with 256K tokens against 32K.

### How many benchmarks do Mixtral 8x7B and Step 3.7 Flash share?

0 benchmarks have published results for both models. Mixtral 8x7B has 38 scored results on Noometry and Step 3.7 Flash has 5.