Grok 4.20
VS
Mistral Medium 3.1
Grok 4.20 vs Mistral Medium 3.1: which wins at real work?
22 task areas · same graded test runs · rank comparison only, so 0–100 and Elo collections never mix raw scores.
Grok 4.20 wins 14 of 22 task areas we tested; Mistral Medium 3.1 takes 8. Mistral Medium 3.1 costs 1.6× less per token ($2.4 vs $3.75 per 1M).
Mistral Medium 3.1 costs 1.6× less per token ($2.4 vs $3.75 per 1M).
Task by task
| Task area | Grok 4.20 | Mistral Medium 3.1 | Winner |
|---|---|---|---|
| AI Strategy |
#59
/ 126
Strong
|
#120
/ 126
Usable
|
Grok 4.20 |
| Presentations & Decks |
#46
/ 110
Excellent
|
#105
/ 110
Usable
|
Grok 4.20 |
| Research & Competitive Analysis |
#52
/ 110
Usable
|
#105
/ 110
Weak
|
Grok 4.20 |
| Summarization & Meeting Notes |
#85
/ 110
Excellent
|
#39
/ 110
Excellent
|
Mistral Medium 3.1 |
| Translation & Localization |
#98
/ 110
Strong
|
#53
/ 110
Excellent
|
Mistral Medium 3.1 |
| Structured Output |
#48
/ 113
Excellent
|
#91
/ 113
Strong
|
Grok 4.20 |
| Customer Support |
#68
/ 113
Usable
|
#110
/ 113
Needs editing
|
Grok 4.20 |
| Training & Education |
#88
/ 110
Strong
|
#47
/ 110
Excellent
|
Mistral Medium 3.1 |
| Coding |
#86
/ 115
Usable
|
#108
/ 115
Needs editing
|
Grok 4.20 |
| Frontend & Landing Pages |
#15
/ 109
Needs editing
|
#35
/ 109
Needs editing
|
Grok 4.20 |
| Legal & HR |
#87
/ 110
Strong
|
#70
/ 110
Strong
|
Mistral Medium 3.1 |
| Chef / Home Cooking |
#100
/ 126
Needs editing
|
#116
/ 126
Needs editing
|
Grok 4.20 |
| Data & Analytics |
#102
/ 110
Excellent
|
#87
/ 110
Excellent
|
Mistral Medium 3.1 |
| RAG, Safety & Grounding |
#96
/ 113
Strong
|
#111
/ 113
Strong
|
Grok 4.20 |
| Executive Assistant |
#83
/ 112
Usable
|
#94
/ 112
Usable
|
Grok 4.20 |
| Content & Brand |
#118
/ 124
Needs editing
|
#110
/ 124
Needs editing
|
Mistral Medium 3.1 |
| Knowledge & Docs |
#70
/ 110
Usable
|
#77
/ 110
Usable
|
Grok 4.20 |
| Sales |
#85
/ 110
Usable
|
#92
/ 110
Usable
|
Grok 4.20 |
| Investor & Pitch |
#59
/ 66
Usable
|
#65
/ 66
Needs editing
|
Grok 4.20 |
| Product & Project Management |
#56
/ 110
Strong
|
#50
/ 110
Strong
|
Mistral Medium 3.1 |
| Creative & Comedy | #96 / 110 | #100 / 110 | Grok 4.20 |
| Landing Pages |
#66
/ 72
Usable
|
#63
/ 72
Usable
|
Mistral Medium 3.1 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Grok 4.20 better than Mistral Medium 3.1?
Across 22 task areas we benchmarked, Grok 4.20 ranks higher in 14 and Mistral Medium 3.1 in 8.
Which is cheaper, Grok 4.20 or Mistral Medium 3.1?
Mistral Medium 3.1 costs 1.6× less per token ($2.4 vs $3.75 per 1M).
What is Grok 4.20 better at?
Grok 4.20 out-ranks Mistral Medium 3.1 at AI Strategy, Presentations & Decks, Research & Competitive Analysis.
What is Mistral Medium 3.1 better at?
Mistral Medium 3.1 out-ranks Grok 4.20 at Summarization & Meeting Notes, Translation & Localization, Training & Education.
More comparisons
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Prompt × model results
12 test cases · 3 evals