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OpenAI GPT-5.4 Mini VS MiniMax MiniMax M3

GPT-5.4 Mini 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.

MiniMax M3 wins 12 of 22 task areas we tested; GPT-5.4 Mini takes 10. MiniMax M3 costs 3.5× less per token ($1.5 vs $5.25 per 1M).

10
Task areas won
12
63
Avg percentile
65
2
Top-3 finishes
4
$5.25
Price / 1M tokens
$1.5
OpenAI
Provider
MiniMax

MiniMax M3 costs 3.5× less per token ($1.5 vs $5.25 per 1M).

Task by task

Task area GPT-5.4 Mini MiniMax M3 Winner
Data & Analytics #65 / 110
Excellent
#1 / 110
Excellent
MiniMax M3
Knowledge & Docs #3 / 110
Excellent
#67 / 110
Usable
GPT-5.4 Mini
Structured Output #1 / 113
Excellent
#65 / 113
Strong
GPT-5.4 Mini
Customer Support #21 / 113
Strong
#83 / 113
Usable
GPT-5.4 Mini
Summarization & Meeting Notes #19 / 110
Excellent
#79 / 110
Excellent
GPT-5.4 Mini
Content & Brand #84 / 124
Usable
#28 / 124
Strong
MiniMax M3
Executive Assistant #87 / 112
Usable
#39 / 112
Strong
MiniMax M3
Landing Pages #45 / 72
Usable
#2 / 72
Strong
MiniMax M3
Investor & Pitch #52 / 66
Usable
#12 / 66
Strong
MiniMax M3
Sales #40 / 110
Usable
#2 / 110
Strong
MiniMax M3
Training & Education #79 / 110
Strong
#42 / 110
Excellent
MiniMax M3
Translation & Localization #21 / 110
Excellent
#55 / 110
Excellent
GPT-5.4 Mini
RAG, Safety & Grounding #42 / 113
Excellent
#72 / 113
Excellent
GPT-5.4 Mini
Coding #24 / 115
Strong
#49 / 115
Strong
GPT-5.4 Mini
Research & Competitive Analysis #11 / 110
Excellent
#33 / 110
Strong
GPT-5.4 Mini
AI Strategy #48 / 126
Strong
#27 / 126
Strong
MiniMax M3
Frontend & Landing Pages #38 / 109
Needs editing
#20 / 109
Needs editing
MiniMax M3
Product & Project Management #19 / 110
Excellent
#3 / 110
Excellent
MiniMax M3
Presentations & Decks #16 / 110
Excellent
#29 / 110
Excellent
GPT-5.4 Mini
Chef / Home Cooking #83 / 126
Usable
#74 / 126
Usable
MiniMax M3
Legal & HR #26 / 110
Excellent
#34 / 110
Excellent
GPT-5.4 Mini
Creative & Comedy #56 / 110 #55 / 110 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 GPT-5.4 Mini better than MiniMax M3?

Across 22 task areas we benchmarked, MiniMax M3 ranks higher in 12 and GPT-5.4 Mini in 10.

Which is cheaper, GPT-5.4 Mini or MiniMax M3?

MiniMax M3 costs 3.5× less per token ($1.5 vs $5.25 per 1M).

What is GPT-5.4 Mini better at?

GPT-5.4 Mini out-ranks MiniMax M3 at Knowledge & Docs, Structured Output, Customer Support.

What is MiniMax M3 better at?

MiniMax M3 out-ranks GPT-5.4 Mini at Data & Analytics, Content & Brand, Executive Assistant.

Full GPT-5.4 Mini review → Full MiniMax M3 review → Full model leaderboard →

More comparisons

This page is Spring Prompt, running in public

We just did this for every model. Do it for your prompt.

The rankings above come from running real tasks through real models and scoring every output. Spring Prompt is that same engine — pointed at your prompt, your test cases, and your definition of good.

  • Generate test cases from your prompt — no eval set required to start.
  • Compare models side by side with quality, cost and latency in one matrix.
  • Optimise the winner until the scores say it's ready to ship.
Experiment · Cold outreach email

Prompt × model results

12 test cases · 3 evals
Claude Opus
GPT-5
Gemini
v1
7.1
6.8
7.4
v2
8.3
7.9
8.0
v3
9.2
8.6
8.4
Best combo: v3 × Claude Opus
9.2 quality · $0.004/run · 1.8s