Model comparison
Grok 4.1 Fast vs Mistral Nemo
Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 26.4 on the Noometry Index. Mistral Nemo costs 1.8× less per token, which makes it the better buy when Grok 4.1 Fast's lead doesn't matter for your workload.
Last verified . 3 shared benchmarks.
Mistral AISummary
- They share 3 benchmarks with published results for both. Grok 4.1 Fast scores higher in 5 categories and Mistral Nemo in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 Fast leads 57.2 to 28.5.
- The biggest single-benchmark swing is Berkeley Function Calling Leaderboard: 69.6% for Grok 4.1 Fast and 27.6% for Mistral Nemo.
- Mistral Nemo is cheaper at $0.15 / $0.15 per million input/output tokens, against $0.20 / $0.50 for Grok 4.1 Fast.
- Mistral Nemo has downloadable open weights; the other is API-only.
Side by side
| Grok 4.1 Fast | Mistral Nemo | |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 41.4 | 26.4 |
| Released | 2025-06-27 | 2024-07-01 |
| Weights | Proprietary | Open |
| Context window | 128K | 128K |
| Max output | 30K | 128K |
| Input $ / M tokens | $0.20 | $0.15 |
| Output $ / M tokens | $0.50 | $0.15 |
| Results tracked | 32 | 10 |
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Category by category
Coding Not comparable
Grok 4.1 Fast: 34.1 (#245), Mistral Nemo: —
| Benchmark | Grok 4.1 Fast | Mistral Nemo |
|---|---|---|
| LMArena WebDev | 1242 | — |
| LMArena Coding | 1411 | — |
| ALE-Bench | 394.93 | — |
Agentic & Tool Use Grok 4.1 Fast leads
Grok 4.1 Fast: 36.3 (#39), Mistral Nemo: 23.5 (#125)
| Benchmark | Grok 4.1 Fast | Mistral Nemo |
|---|---|---|
| Berkeley Function Calling Leaderboard | 69.6% | 27.6% |
| τ²-bench Banking | 13.1% | — |
| BALROG | — | 17.6% |
| LMArena Search | 1171 | — |
| Vending-Bench 2 | 1,107 | — |
Reasoning Grok 4.1 Fast leads
Grok 4.1 Fast: 43.4 (#49), Mistral Nemo: 20.7 (#232)
| Benchmark | Grok 4.1 Fast | Mistral Nemo |
|---|---|---|
| DTBench | 87.7% | 48.6% |
| SimpleBench | 56% | — |
| NYT Connections (extended) | 87.4% | — |
| LMArena Hard Prompts | 1407 | — |
| Epoch Capabilities Index | — | 118.68 |
| ForecastBench | 61 | — |
| PIQA | — | 83.5% |
Math Grok 4.1 Fast leads
Grok 4.1 Fast: 31.9 (#221), Mistral Nemo: 25.5 (#268)
| Benchmark | Grok 4.1 Fast | Mistral Nemo |
|---|---|---|
| MathArena Final-Answer Competitions | 60.9% | — |
| ProofBench | 4% | — |
| LMArena Math | 1408 | — |
| MATH Level 5 | — | 10.8% |
| GSM8K | — | 84.2% |
Knowledge Grok 4.1 Fast leads
Grok 4.1 Fast: 33.1 (#207), Mistral Nemo: 12.3 (#298)
| Benchmark | Grok 4.1 Fast | Mistral Nemo |
|---|---|---|
| GPQA Diamond | — | 29.9% |
| Vectara Hallucination Rate | 17.8% | — |
| LMArena Expert | 1399 | — |
| BoolQ | — | 82.5% |
Multimodal Not comparable
Grok 4.1 Fast: 37.0 (#76), Mistral Nemo: —
| Benchmark | Grok 4.1 Fast | Mistral Nemo |
|---|---|---|
| LMArena Vision | 1201 | — |
Multilingual Not comparable
Grok 4.1 Fast: 51.0 (#114), Mistral Nemo: —
| Benchmark | Grok 4.1 Fast | Mistral Nemo |
|---|---|---|
| LMArena Non-English | 1391 | — |
| LMArena Chinese | 1441 | — |
| LMArena French | 1415 | — |
| LMArena German | 1404 | — |
| LMArena Japanese | 1349 | — |
| LMArena Korean | 1361 | — |
| LMArena Russian | 1387 | — |
| LMArena Spanish | 1413 | — |
Instruction Following Not comparable
Grok 4.1 Fast: 72.7 (#133), Mistral Nemo: —
| Benchmark | Grok 4.1 Fast | Mistral Nemo |
|---|---|---|
| LMArena Instruction Following | 1376 | — |
Long Context Not comparable
Grok 4.1 Fast: 42.4 (#126), Mistral Nemo: —
| Benchmark | Grok 4.1 Fast | Mistral Nemo |
|---|---|---|
| LMArena Longer Query | 1390 | — |
Writing & Preference Grok 4.1 Fast leads
Grok 4.1 Fast: 57.2 (#131), Mistral Nemo: 28.5 (#296)
| Benchmark | Grok 4.1 Fast | Mistral Nemo |
|---|---|---|
| EQ-Bench Creative Writing | 1327 | 881 |
| LMArena Text | 1408 | — |
| LMArena Creative Writing | 1394 | — |
| LMArena Multi-Turn | 1389 | — |
Frequently asked questions
Is Grok 4.1 Fast better than Mistral Nemo?
Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 26.4 on the Noometry Index. Mistral Nemo costs 1.8× less per token, which makes it the better buy when Grok 4.1 Fast's lead doesn't matter for your workload.
Which is cheaper, Grok 4.1 Fast or Mistral Nemo?
Mistral Nemo is cheaper. It lists at $0.15 per million input tokens and $0.15 per million output tokens; Grok 4.1 Fast lists at $0.20 and $0.50.
Which has the bigger context window?
Both accept 128K tokens.
How many benchmarks do Grok 4.1 Fast and Mistral Nemo share?
3 benchmarks have published results for both models. Grok 4.1 Fast has 32 scored results on Noometry and Mistral Nemo has 10.