Model comparison
Grok 4.20 (Non-Reasoning) vs Mistral Medium
Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.6 to 36.3 on the Noometry Index.
Last verified . 26 shared benchmarks.
Mistral AISummary
- They share 26 benchmarks with published results for both. Grok 4.20 (Non-Reasoning) scores higher in 9 categories and Mistral Medium in 1 category; 10 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 (Non-Reasoning) leads 52.3 to 24.0.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 92.2% for Grok 4.20 (Non-Reasoning) and 32.2% for Mistral Medium.
- Grok 4.20 (Non-Reasoning) is cheaper at $1.25 / $2.50 per million input/output tokens, against $1.50 / $7.50 for Mistral Medium.
- Grok 4.20 (Non-Reasoning) accepts more context: 1M tokens versus 262K.
- Mistral Medium has downloadable open weights; the other is API-only.
Side by side
| Grok 4.20 (Non-Reasoning) | Mistral Medium | |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 48.6 | 36.3 |
| Released | 2026-02-17 | 2023-12-11 |
| Weights | Proprietary | Open |
| Context window | 1M | 262K |
| Max output | 30K | 262K |
| Input $ / M tokens | $1.25 | $1.50 |
| Output $ / M tokens | $2.50 | $7.50 |
| Results tracked | 46 | 36 |
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Category by category
Coding Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 42.1 (#112), Mistral Medium: 34.2 (#243)
| Benchmark | Grok 4.20 (Non-Reasoning) | Mistral Medium |
|---|---|---|
| WeirdML | 52.3% | 43.7% |
| LMArena Coding | 1459 | 1434 |
| ALE-Bench | 1,150 | 763.98 |
| FrontierCode | — | 8% |
| LMArena WebDev | 1375 | — |
| SciCode | — | 40.2% |
Agentic & Tool Use Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 34.4 (#46), Mistral Medium: 28.3 (#90)
| Benchmark | Grok 4.20 (Non-Reasoning) | Mistral Medium |
|---|---|---|
| Terminal-Bench | 57.3% | — |
| Berkeley Function Calling Leaderboard | — | 37.7% |
| τ²-bench Banking | 18% | — |
| LMArena Search | 1189 | — |
| Vending-Bench 2 | 4,663 | — |
Reasoning Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 52.3 (#32), Mistral Medium: 24.0 (#167)
| Benchmark | Grok 4.20 (Non-Reasoning) | Mistral Medium |
|---|---|---|
| Kagi LLM Benchmark | 75% | 50% |
| LMArena Hard Prompts | 1451 | 1426 |
| DTBench | 90.1% | 75.5% |
| LMCA | 38.7% | 26.1% |
| ARC-AGI-2 | 65.1% | — |
| NYT Connections (extended) | 85.4% | — |
| ARC-AGI-1 | 89.5% | — |
| CritPt | — | 0% |
| Chess Puzzles | 24% | — |
| Thematic Generalization | 63.8% | — |
| Surface Evolver Bench | — | 26.9% |
| Epoch Capabilities Index | 151.98 | — |
| ForecastBench | 61.4 | — |
Math Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 48.2 (#65), Mistral Medium: 28.1 (#245)
| Benchmark | Grok 4.20 (Non-Reasoning) | Mistral Medium |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 92.2% | 32.2% |
| ProofBench | 14% | 9% |
| LMArena Math | 1455 | 1408 |
| FrontierMath (Tiers 1-3) | 44.9% | — |
| FrontierMath Tier 4 | 17.1% | — |
| MATH Level 5 | — | 81.6% |
| FrontierMath (Feb 2025 set) | — | 0.3% |
Knowledge Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 52.8 (#60), Mistral Medium: 25.0 (#265)
| Benchmark | Grok 4.20 (Non-Reasoning) | Mistral Medium |
|---|---|---|
| GPQA Diamond | 89.3% | 59.5% |
| LMArena Expert | 1439 | 1408 |
| Humanity's Last Exam | — | 4.5% |
| SimpleQA Verified | 30.2% | — |
| Vectara Hallucination Rate | — | 22.7% |
Multimodal Mistral Medium leads
Grok 4.20 (Non-Reasoning): 33.3 (#98), Mistral Medium: 35.3 (#88)
| Benchmark | Grok 4.20 (Non-Reasoning) | Mistral Medium |
|---|---|---|
| LMArena Vision | 1263 | 1172 |
| Blueprint-Bench 2 | 0% | — |
| LMArena Document | 1416 | — |
Multilingual Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 54.5 (#40), Mistral Medium: 52.1 (#91)
| Benchmark | Grok 4.20 (Non-Reasoning) | Mistral Medium |
|---|---|---|
| LMArena Non-English | 1441 | 1408 |
| LMArena Chinese | 1481 | 1447 |
| LMArena French | 1476 | 1459 |
| LMArena German | 1465 | 1432 |
| LMArena Japanese | 1449 | 1378 |
| LMArena Korean | 1417 | 1380 |
| LMArena Russian | 1458 | 1411 |
| LMArena Spanish | 1443 | 1433 |
Instruction Following Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 74.8 (#83), Mistral Medium: 73.7 (#116)
| Benchmark | Grok 4.20 (Non-Reasoning) | Mistral Medium |
|---|---|---|
| LMArena Instruction Following | 1420 | 1398 |
Long Context Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 45.5 (#34), Mistral Medium: 42.9 (#114)
| Benchmark | Grok 4.20 (Non-Reasoning) | Mistral Medium |
|---|---|---|
| LMArena Longer Query | 1437 | 1406 |
| CL-bench | 22.2% | — |
| CL-bench Life | 11.9% | — |
Writing & Preference Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 65.7 (#44), Mistral Medium: 60.0 (#103)
| Benchmark | Grok 4.20 (Non-Reasoning) | Mistral Medium |
|---|---|---|
| LMArena Text | 1451 | 1424 |
| LMArena Creative Writing | 1438 | 1391 |
| LMArena Multi-Turn | 1456 | 1418 |
| Short-Story Creative Writing | — | 77.3% |
| EQ-Bench Creative Writing | 1574 | — |
Frequently asked questions
Is Grok 4.20 (Non-Reasoning) better than Mistral Medium?
Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.6 to 36.3 on the Noometry Index.
Which is cheaper, Grok 4.20 (Non-Reasoning) or Mistral Medium?
Grok 4.20 (Non-Reasoning) is cheaper. It lists at $1.25 per million input tokens and $2.50 per million output tokens; Mistral Medium lists at $1.50 and $7.50.
Is Grok 4.20 (Non-Reasoning) or Mistral Medium better for coding?
Grok 4.20 (Non-Reasoning) scores higher on coding benchmarks: 42.1 versus 34.2 in the Noometry coding category.
Which has the bigger context window?
Grok 4.20 (Non-Reasoning) does, with 1M tokens against 262K.
How many benchmarks do Grok 4.20 (Non-Reasoning) and Mistral Medium share?
26 benchmarks have published results for both models. Grok 4.20 (Non-Reasoning) has 46 scored results on Noometry and Mistral Medium has 36.