Model comparison
Grok 4.20 (Non-Reasoning) vs Magistral Medium
Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.6 to 35.2 on the Noometry Index.
Last verified . 20 shared benchmarks.
Mistral AISummary
- They share 20 benchmarks with published results for both. Grok 4.20 (Non-Reasoning) scores higher in 8 categories and Magistral Medium in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 (Non-Reasoning) leads 52.3 to 8.6.
- The biggest single-benchmark swing is ARC-AGI-1: 89.5% for Grok 4.20 (Non-Reasoning) and 6.1% for Magistral Medium.
- Grok 4.20 (Non-Reasoning) is cheaper at $1.25 / $2.50 per million input/output tokens, against $2 / $5 for Magistral Medium.
- Grok 4.20 (Non-Reasoning) accepts more context: 1M tokens versus 262K.
- Magistral Medium has downloadable open weights; the other is API-only.
Side by side
| Grok 4.20 (Non-Reasoning) | Magistral Medium | |
|---|---|---|
| Provider | xAI | Mistral AI |
| Noometry Index | 48.6 | 35.2 |
| Released | 2026-02-17 | 2025-03-17 |
| Weights | Proprietary | Open |
| Context window | 1M | 262K |
| Max output | 30K | 16K |
| Input $ / M tokens | $1.25 | $2 |
| Output $ / M tokens | $2.50 | $5 |
| Results tracked | 46 | 22 |
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Category by category
Coding Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 42.1 (#112), Magistral Medium: 39.1 (#161)
| Benchmark | Grok 4.20 (Non-Reasoning) | Magistral Medium |
|---|---|---|
| LMArena Coding | 1459 | 1319 |
| LMArena WebDev | 1375 | — |
| SciCode | — | 39.2% |
| WeirdML | 52.3% | — |
| ALE-Bench | 1,150 | — |
Agentic & Tool Use Not comparable
Grok 4.20 (Non-Reasoning): 34.4 (#46), Magistral Medium: —
| Benchmark | Grok 4.20 (Non-Reasoning) | Magistral Medium |
|---|---|---|
| Terminal-Bench | 57.3% | — |
| 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), Magistral Medium: 8.6 (#348)
| Benchmark | Grok 4.20 (Non-Reasoning) | Magistral Medium |
|---|---|---|
| ARC-AGI-2 | 65.1% | 0% |
| Kagi LLM Benchmark | 75% | 16.2% |
| ARC-AGI-1 | 89.5% | 6.1% |
| LMArena Hard Prompts | 1451 | 1267 |
| NYT Connections (extended) | 85.4% | — |
| CritPt | — | 0.3% |
| Chess Puzzles | 24% | — |
| Thematic Generalization | 63.8% | — |
| DTBench | 90.1% | — |
| LMCA | 38.7% | — |
| Epoch Capabilities Index | 151.98 | — |
| ForecastBench | 61.4 | — |
Math Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 48.2 (#65), Magistral Medium: 35.1 (#189)
| Benchmark | Grok 4.20 (Non-Reasoning) | Magistral Medium |
|---|---|---|
| LMArena Math | 1455 | 1250 |
| FrontierMath (Tiers 1-3) | 44.9% | — |
| FrontierMath Tier 4 | 17.1% | — |
| OTIS Mock AIME 2024-2025 | 92.2% | — |
| ProofBench | 14% | — |
Knowledge Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 52.8 (#60), Magistral Medium: 33.5 (#202)
| Benchmark | Grok 4.20 (Non-Reasoning) | Magistral Medium |
|---|---|---|
| LMArena Expert | 1439 | 1223 |
| GPQA Diamond | 89.3% | — |
| SimpleQA Verified | 30.2% | — |
Multimodal Not comparable
Grok 4.20 (Non-Reasoning): 33.3 (#98), Magistral Medium: —
| Benchmark | Grok 4.20 (Non-Reasoning) | Magistral Medium |
|---|---|---|
| LMArena Vision | 1263 | — |
| Blueprint-Bench 2 | 0% | — |
| LMArena Document | 1416 | — |
Multilingual Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 54.5 (#40), Magistral Medium: 39.6 (#224)
| Benchmark | Grok 4.20 (Non-Reasoning) | Magistral Medium |
|---|---|---|
| LMArena Non-English | 1441 | 1232 |
| LMArena Chinese | 1481 | 1227 |
| LMArena French | 1476 | 1267 |
| LMArena German | 1465 | 1248 |
| LMArena Japanese | 1449 | 1175 |
| LMArena Korean | 1417 | 1125 |
| LMArena Russian | 1458 | 1224 |
| LMArena Spanish | 1443 | 1271 |
Instruction Following Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 74.8 (#83), Magistral Medium: 66.0 (#211)
| Benchmark | Grok 4.20 (Non-Reasoning) | Magistral Medium |
|---|---|---|
| LMArena Instruction Following | 1420 | 1254 |
Long Context Grok 4.20 (Non-Reasoning) leads
Grok 4.20 (Non-Reasoning): 45.5 (#34), Magistral Medium: 39.3 (#183)
| Benchmark | Grok 4.20 (Non-Reasoning) | Magistral Medium |
|---|---|---|
| LMArena Longer Query | 1437 | 1295 |
| 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), Magistral Medium: 46.3 (#219)
| Benchmark | Grok 4.20 (Non-Reasoning) | Magistral Medium |
|---|---|---|
| LMArena Text | 1451 | 1255 |
| LMArena Creative Writing | 1438 | 1245 |
| LMArena Multi-Turn | 1456 | 1275 |
| EQ-Bench Creative Writing | 1574 | — |
Frequently asked questions
Is Grok 4.20 (Non-Reasoning) better than Magistral Medium?
Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.6 to 35.2 on the Noometry Index.
Which is cheaper, Grok 4.20 (Non-Reasoning) or Magistral Medium?
Grok 4.20 (Non-Reasoning) is cheaper. It lists at $1.25 per million input tokens and $2.50 per million output tokens; Magistral Medium lists at $2 and $5.
Is Grok 4.20 (Non-Reasoning) or Magistral Medium better for coding?
Grok 4.20 (Non-Reasoning) scores higher on coding benchmarks: 42.1 versus 39.1 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 Magistral Medium share?
20 benchmarks have published results for both models. Grok 4.20 (Non-Reasoning) has 46 scored results on Noometry and Magistral Medium has 22.