Claude Opus 4.5
VS
MiniMax M3
Claude Opus 4.5 vs MiniMax M3: 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.
Claude Opus 4.5 wins 16 of 22 task areas we tested; MiniMax M3 takes 6. MiniMax M3 costs 20.0× less per token ($1.5 vs $30 per 1M).
MiniMax M3 costs 20.0× less per token ($1.5 vs $30 per 1M).
Task by task
| Task area | Claude Opus 4.5 | MiniMax M3 | Winner |
|---|---|---|---|
| Summarization & Meeting Notes |
#1
/ 110
Excellent
|
#79
/ 110
Excellent
|
Claude Opus 4.5 |
| Chef / Home Cooking |
#14
/ 126
Strong
|
#74
/ 126
Usable
|
Claude Opus 4.5 |
| Product & Project Management |
#60
/ 110
Strong
|
#3
/ 110
Excellent
|
MiniMax M3 |
| Translation & Localization |
#5
/ 110
Excellent
|
#55
/ 110
Excellent
|
Claude Opus 4.5 |
| Creative & Comedy | #8 / 110 | #55 / 110 | Claude Opus 4.5 |
| Executive Assistant |
#4
/ 112
Strong
|
#39
/ 112
Strong
|
Claude Opus 4.5 |
| Customer Support |
#56
/ 113
Strong
|
#83
/ 113
Usable
|
Claude Opus 4.5 |
| Knowledge & Docs |
#47
/ 110
Strong
|
#67
/ 110
Usable
|
Claude Opus 4.5 |
| RAG, Safety & Grounding |
#52
/ 113
Excellent
|
#72
/ 113
Excellent
|
Claude Opus 4.5 |
| Frontend & Landing Pages |
#2
/ 109
Usable
|
#20
/ 109
Needs editing
|
Claude Opus 4.5 |
| Training & Education |
#24
/ 110
Excellent
|
#42
/ 110
Excellent
|
Claude Opus 4.5 |
| Structured Output |
#82
/ 113
Strong
|
#65
/ 113
Strong
|
MiniMax M3 |
| Presentations & Decks |
#45
/ 110
Excellent
|
#29
/ 110
Excellent
|
MiniMax M3 |
| Research & Competitive Analysis |
#17
/ 110
Excellent
|
#33
/ 110
Strong
|
Claude Opus 4.5 |
| AI Strategy |
#16
/ 126
Strong
|
#27
/ 126
Strong
|
Claude Opus 4.5 |
| Coding |
#39
/ 115
Strong
|
#49
/ 115
Strong
|
Claude Opus 4.5 |
| Data & Analytics |
#9
/ 110
Excellent
|
#1
/ 110
Excellent
|
MiniMax M3 |
| Content & Brand |
#21
/ 124
Strong
|
#28
/ 124
Strong
|
Claude Opus 4.5 |
| Landing Pages |
#7
/ 72
Strong
|
#2
/ 72
Strong
|
MiniMax M3 |
| Legal & HR |
#30
/ 110
Excellent
|
#34
/ 110
Excellent
|
Claude Opus 4.5 |
| Investor & Pitch |
#10
/ 66
Strong
|
#12
/ 66
Strong
|
Claude Opus 4.5 |
| Sales |
#3
/ 110
Strong
|
#2
/ 110
Strong
|
MiniMax M3 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Claude Opus 4.5 better than MiniMax M3?
Across 22 task areas we benchmarked, Claude Opus 4.5 ranks higher in 16 and MiniMax M3 in 6.
Which is cheaper, Claude Opus 4.5 or MiniMax M3?
MiniMax M3 costs 20.0× less per token ($1.5 vs $30 per 1M).
What is Claude Opus 4.5 better at?
Claude Opus 4.5 out-ranks MiniMax M3 at Summarization & Meeting Notes, Chef / Home Cooking, Translation & Localization.
What is MiniMax M3 better at?
MiniMax M3 out-ranks Claude Opus 4.5 at Product & Project Management, Structured Output, Presentations & Decks.
More comparisons
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Prompt × model results
12 test cases · 3 evals