Kimi K2.5
VS
Mistral Medium 3.1
Kimi K2.5 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.
Kimi K2.5 wins 20 of 22 task areas we tested; Mistral Medium 3.1 takes 2.
Task by task
| Task area | Kimi K2.5 | Mistral Medium 3.1 | Winner |
|---|---|---|---|
| RAG, Safety & Grounding |
#12
/ 113
Excellent
|
#111
/ 113
Strong
|
Kimi K2.5 |
| Presentations & Decks |
#12
/ 110
Excellent
|
#105
/ 110
Usable
|
Kimi K2.5 |
| AI Strategy |
#28
/ 126
Strong
|
#120
/ 126
Usable
|
Kimi K2.5 |
| Content & Brand |
#33
/ 124
Strong
|
#110
/ 124
Needs editing
|
Kimi K2.5 |
| Research & Competitive Analysis |
#31
/ 110
Strong
|
#105
/ 110
Weak
|
Kimi K2.5 |
| Sales |
#19
/ 110
Strong
|
#92
/ 110
Usable
|
Kimi K2.5 |
| Chef / Home Cooking |
#44
/ 126
Usable
|
#116
/ 126
Needs editing
|
Kimi K2.5 |
| Executive Assistant |
#23
/ 112
Strong
|
#94
/ 112
Usable
|
Kimi K2.5 |
| Coding |
#38
/ 115
Strong
|
#108
/ 115
Needs editing
|
Kimi K2.5 |
| Data & Analytics |
#19
/ 110
Excellent
|
#87
/ 110
Excellent
|
Kimi K2.5 |
| Customer Support |
#50
/ 113
Strong
|
#110
/ 113
Needs editing
|
Kimi K2.5 |
| Creative & Comedy | #42 / 110 | #100 / 110 | Kimi K2.5 |
| Summarization & Meeting Notes |
#92
/ 110
Excellent
|
#39
/ 110
Excellent
|
Mistral Medium 3.1 |
| Structured Output |
#41
/ 113
Excellent
|
#91
/ 113
Strong
|
Kimi K2.5 |
| Landing Pages |
#20
/ 72
Strong
|
#63
/ 72
Usable
|
Kimi K2.5 |
| Legal & HR |
#31
/ 110
Excellent
|
#70
/ 110
Strong
|
Kimi K2.5 |
| Investor & Pitch |
#37
/ 66
Usable
|
#65
/ 66
Needs editing
|
Kimi K2.5 |
| Training & Education |
#22
/ 110
Excellent
|
#47
/ 110
Excellent
|
Kimi K2.5 |
| Translation & Localization |
#34
/ 110
Excellent
|
#53
/ 110
Excellent
|
Kimi K2.5 |
| Knowledge & Docs |
#59
/ 110
Usable
|
#77
/ 110
Usable
|
Kimi K2.5 |
| Product & Project Management |
#66
/ 110
Strong
|
#50
/ 110
Strong
|
Mistral Medium 3.1 |
| Frontend & Landing Pages |
#26
/ 109
Needs editing
|
#35
/ 109
Needs editing
|
Kimi K2.5 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Kimi K2.5 better than Mistral Medium 3.1?
Across 22 task areas we benchmarked, Kimi K2.5 ranks higher in 20 and Mistral Medium 3.1 in 2.
What is Kimi K2.5 better at?
Kimi K2.5 out-ranks Mistral Medium 3.1 at RAG, Safety & Grounding, Presentations & Decks, AI Strategy.
What is Mistral Medium 3.1 better at?
Mistral Medium 3.1 out-ranks Kimi K2.5 at Summarization & Meeting Notes, Product & Project Management.
More comparisons
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Prompt × model results
12 test cases · 3 evals