# Grok 4.1 Fast vs Mistral 7B

> Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 23.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-1-fast-vs-mistral-7b
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Grok 4.1 Fast scores higher in 8 categories and Mistral 7B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.1 Fast leads 43.4 to 13.1.
- The biggest single-benchmark swing is DTBench: 87.7% for Grok 4.1 Fast and 42.5% for Mistral 7B.
- Mistral 7B is cheaper at $0.25 / $0.25 per million input/output tokens, against $0.20 / $0.50 for Grok 4.1 Fast.
- Grok 4.1 Fast accepts more context: 128K tokens versus 8K.
- Mistral 7B has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.1 Fast | Mistral 7B |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 41.4 | 23.0 |
| Rank | 136 | 351 |
| Context | 128K | 8K |
| Input $/M | $0.20 | $0.25 |
| Output $/M | $0.50 | $0.25 |
| Weights | Proprietary | Open |

## Coding

- Grok 4.1 Fast: 34.1 (#245)
- Mistral 7B: 26.4 (#326)

| Benchmark | Grok 4.1 Fast | Mistral 7B |
|---|---|---|
| LMArena Coding | 1411 | 1082 |
| LMArena WebDev | 1242 | — |
| BigCodeBench Instruct | — | 19.5% |
| BigCodeBench Complete | — | 27.3% |
| ALE-Bench | 394.93 | — |
| HumanEval+ | — | 36% |
| MBPP+ | — | 42.1% |

## Agentic & Tool Use

- Grok 4.1 Fast: 36.3 (#39)
- Mistral 7B: —

| Benchmark | Grok 4.1 Fast | Mistral 7B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 69.6% | — |
| τ²-bench Banking | 13.1% | — |
| LMArena Search | 1171 | — |
| Vending-Bench 2 | 1,107 | — |

## Reasoning

- Grok 4.1 Fast: 43.4 (#49)
- Mistral 7B: 13.1 (#336)

| Benchmark | Grok 4.1 Fast | Mistral 7B |
|---|---|---|
| LMArena Hard Prompts | 1407 | 1067 |
| DTBench | 87.7% | 42.5% |
| SimpleBench | 56% | — |
| NYT Connections (extended) | 87.4% | — |
| Chess Puzzles | — | 0% |
| Adversarial NLI | — | 47.1% |
| BIG-Bench Hard | — | 56.1% |
| Epoch Capabilities Index | — | 112.21 |
| ForecastBench | 61 | — |
| HellaSwag | — | 81% |
| PIQA | — | 83% |
| WinoGrande | — | 75.3% |

## Math

- Grok 4.1 Fast: 31.9 (#221)
- Mistral 7B: 8.1 (#325)

| Benchmark | Grok 4.1 Fast | Mistral 7B |
|---|---|---|
| LMArena Math | 1408 | 1085 |
| MathArena Final-Answer Competitions | 60.9% | — |
| OTIS Mock AIME 2024-2025 | — | 0.3% |
| ProofBench | 4% | — |
| MATH Level 5 | — | 3.7% |
| GSM8K | — | 54.4% |

## Knowledge

- Grok 4.1 Fast: 33.1 (#207)
- Mistral 7B: 7.4 (#311)

| Benchmark | Grok 4.1 Fast | Mistral 7B |
|---|---|---|
| LMArena Expert | 1399 | 1036 |
| GPQA Diamond | — | 15.2% |
| Vectara Hallucination Rate | 17.8% | — |
| ARC (AI2) Challenge | — | 78.6% |
| BoolQ | — | 87.4% |
| MMLU | — | 62.5% |
| OpenBookQA | — | 79.8% |
| TriviaQA | — | 75.2% |

## Multimodal

- Grok 4.1 Fast: 37.0 (#76)
- Mistral 7B: —

| Benchmark | Grok 4.1 Fast | Mistral 7B |
|---|---|---|
| LMArena Vision | 1201 | — |

## Multilingual

- Grok 4.1 Fast: 51.0 (#114)
- Mistral 7B: 25.8 (#283)

| Benchmark | Grok 4.1 Fast | Mistral 7B |
|---|---|---|
| LMArena Non-English | 1391 | 1012 |
| LMArena Chinese | 1441 | 1009 |
| LMArena French | 1415 | 1037 |
| LMArena German | 1404 | 987 |
| LMArena Japanese | 1349 | 878 |
| LMArena Russian | 1387 | 1018 |
| LMArena Spanish | 1413 | 1026 |
| LMArena Korean | 1361 | — |

## Instruction Following

- Grok 4.1 Fast: 72.7 (#133)
- Mistral 7B: 54.2 (#280)

| Benchmark | Grok 4.1 Fast | Mistral 7B |
|---|---|---|
| LMArena Instruction Following | 1376 | 1060 |

## Long Context

- Grok 4.1 Fast: 42.4 (#126)
- Mistral 7B: 32.2 (#271)

| Benchmark | Grok 4.1 Fast | Mistral 7B |
|---|---|---|
| LMArena Longer Query | 1390 | 1060 |

## Writing & Preference

- Grok 4.1 Fast: 57.2 (#131)
- Mistral 7B: 30.7 (#286)

| Benchmark | Grok 4.1 Fast | Mistral 7B |
|---|---|---|
| LMArena Text | 1408 | 1090 |
| LMArena Creative Writing | 1394 | 1068 |
| LMArena Multi-Turn | 1389 | 1062 |
| EQ-Bench Creative Writing | 1327 | — |

## FAQ

### Is Grok 4.1 Fast better than Mistral 7B?

Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 23.0 on the Noometry Index.

### Which is cheaper, Grok 4.1 Fast or Mistral 7B?

Mistral 7B is cheaper. It lists at $0.25 per million input tokens and $0.25 per million output tokens; Grok 4.1 Fast lists at $0.20 and $0.50.

### Is Grok 4.1 Fast or Mistral 7B better for coding?

Grok 4.1 Fast scores higher on coding benchmarks: 34.1 versus 26.4 in the Noometry coding category.

### Which has the bigger context window?

Grok 4.1 Fast does, with 128K tokens against 8K.

### How many benchmarks do Grok 4.1 Fast and Mistral 7B share?

17 benchmarks have published results for both models. Grok 4.1 Fast has 32 scored results on Noometry and Mistral 7B has 37.