GPT-4.1 Mini vs MiniMax M2.5
Updated October 21, 2026. 53 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
Pick MiniMax M2.5 for coding: it scores 59.4 on the Vibe Coding Index against 28.5 for GPT-4.1 Mini.
Pick GPT-4.1 Mini when the context window is larger, 1.05M against 205K tokens, or when what matters is TaxEval (Vals AI) or LMArena Text: Japanese, where it leads.
- Shared results
- 53
- GPT-4.1 Mini only
- 31
- MiniMax M2.5 only
- 14
- Like-for-like categories
- 8 of 9
Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, four public coding benchmarks
MiniMax M2.5
MiniMax M2.5 scores 59.4 against 28.5.
2 benchmarks behind each score
Intelligence
AA Intelligence Index
MiniMax M2.5
MiniMax M2.5 leads, 22.8 against 10.2.
Same board, both measured
Reasoning
GPQA Diamond
MiniMax M2.5
MiniMax M2.5 leads, 82.1% against 67.9%.
Same board, both measured
Math
AIME
MiniMax M2.5
MiniMax M2.5 leads, 88.8% against 49.4%.
Same board, both measured
Knowledge
MMLU Pro
MiniMax M2.5
MiniMax M2.5 leads, 80.1% against 77.2%.
Same board, both measured
Web design
Design Arena: websites
MiniMax M2.5
MiniMax M2.5 leads, 1222 against 997.
Same board, both measured
Long documents
Listed context window
GPT-4.1 Mini
GPT-4.1 Mini takes 1.05M tokens against 205K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
MiniMax M2.5
GPT-4.1 Mini $0.0012, MiniMax M2.5 $0.0007 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
MiniMax M2.5
GPT-4.1 Mini $1.818, MiniMax M2.5 $0.62.
Published attempt cost and pass rate
At a glance
- Coding index
- GPT-4.1 Mini 28.5 from 2 benchmarks, MiniMax M2.5 59.4 from 2 benchmarks.
- Widest category
- Agentic work, 42.4 points apart on average over 1 shared benchmark.
- Widest single gap
- ARC-AGI: GPT-4.1 Mini 3.5% against MiniMax M2.5 63.7%, 60.2 points apart on a 0 to 100 scale.
- Output price
- GPT-4.1 Mini $1.60 against MiniMax M2.5 $0.95 per million output tokens, 1.7x apart.
- Context window
- GPT-4.1 Mini takes 1.05M tokens, MiniMax M2.5 205K.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | GPT-4.1 Mini | Bars | MiniMax M2.5 | Ties |
|---|---|---|---|---|
| Coding | 0 | 5 | ||
| Intelligence | 0 | 2 | ||
| Agentic work | 0 | 1 | ||
| Reasoning | 0 | 8 | ||
| Math | 0 | 3 | ||
| Knowledge | 1 | 8 | ||
| Web design | 0 | 6 | ||
| General | 2 | 17 | ||
| All shared boards | 3 | 50 |
CodingLike-for-likeFour of these boards feed the Vibe Coding Index05
| Benchmark | GPT-4.1 Mini | MiniMax M2.5 | Leader |
|---|---|---|---|
| Aider polyglot | 32.4% | Not measured | Only GPT-4.1 Mini measured |
| SWE-bench Verified | 23.9% | 75.8% | MiniMax M2.5 |
| SWE-bench Multilingual | Not measured | 68.3% | Only MiniMax M2.5 measured |
| LMArena WebDev | Not measured | 1386 | Only MiniMax M2.5 measured |
| AA Coding Index | 20.2 | Not measured | Only GPT-4.1 Mini measured |
| LiveCodeBench (Vals AI) | 58.2% | 79.2% | MiniMax M2.5 |
| SWE-bench Verified (Vals AI) | Not measured | 74.2% | Only MiniMax M2.5 measured |
| Vibe Code Bench (Vals AI) | Not measured | 14.8% | Only MiniMax M2.5 measured |
| LiveCodeBench (Artificial Analysis run) | 48.3% | Not measured | Only GPT-4.1 Mini measured |
| Terminal-Bench Hard (Artificial Analysis run) | 7.6% | 34.8% | MiniMax M2.5 |
| Terminal-Bench | Not measured | 42.7% | Only MiniMax M2.5 measured |
| WeirdML | 37.6% | Not measured | Only GPT-4.1 Mini measured |
| ALE-Bench | Not measured | 618.2 | Only MiniMax M2.5 measured |
| LMArena Text: coding | 1367 | 1380 | MiniMax M2.5 |
| LMArena Text: software and IT | 1360 | 1383 | MiniMax M2.5 |
| LMArena WebDev: React | Not measured | 1374 | Only MiniMax M2.5 measured |
| LMArena WebDev: HTML | Not measured | 1414 | Only MiniMax M2.5 measured |
| Neither model has a result on the other 21 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
| Benchmark | GPT-4.1 Mini | MiniMax M2.5 | Leader |
|---|---|---|---|
| AA Intelligence Index | 10.2 | 22.8 | MiniMax M2.5 |
| Epoch Capabilities Index | 134.9 | 146.6 | MiniMax M2.5 |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | GPT-4.1 Mini | MiniMax M2.5 | Leader |
|---|---|---|---|
| τ²-Bench Telecom | 52.9% | 95.3% | MiniMax M2.5 |
| Vending-Bench 2 | Not measured | -$23 | Only MiniMax M2.5 measured |
| Neither model has a result on the other 37 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index08
| Benchmark | GPT-4.1 Mini | MiniMax M2.5 | Leader |
|---|---|---|---|
| GPQA Diamond | 67.9% | 82.1% | MiniMax M2.5 |
| MMMU Pro (Vals AI) | 70.5% | Not measured | Only GPT-4.1 Mini measured |
| GPQA Diamond (Artificial Analysis run) | 66.4% | 84.8% | MiniMax M2.5 |
| Humanity's Last Exam (Artificial Analysis run) | 5.0% | 20.5% | MiniMax M2.5 |
| GPQA Diamond (Epoch AI run) | 65.8% | Not measured | Only GPT-4.1 Mini measured |
| ARC-AGI | 3.5% | 63.7% | MiniMax M2.5 |
| ARC-AGI-2 | 0.0% | 4.9% | MiniMax M2.5 |
| Chess puzzles | 1.0% | Not measured | Only GPT-4.1 Mini measured |
| Mystery game puzzles | 7.0% | Not measured | Only GPT-4.1 Mini measured |
| LMArena Text: hard prompts | 1349 | 1372 | MiniMax M2.5 |
| LMArena Text: expert | 1338 | 1378 | MiniMax M2.5 |
| LMArena Text: hard prompts in English | 1362 | 1384 | MiniMax M2.5 |
| LMArena Vision: diagrams | 1182 | Not measured | Only GPT-4.1 Mini measured |
| LMArena Vision: homework | 1214 | Not measured | Only GPT-4.1 Mini measured |
| Neither model has a result on the other 7 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index03
| Benchmark | GPT-4.1 Mini | MiniMax M2.5 | Leader |
|---|---|---|---|
| AIME | 49.4% | 88.8% | MiniMax M2.5 |
| MATH 500 (Vals AI) | 88.0% | Not measured | Only GPT-4.1 Mini measured |
| MGSM (Vals AI) | 87.8% | Not measured | Only GPT-4.1 Mini measured |
| AA Math Index | 46.3 | Not measured | Only GPT-4.1 Mini measured |
| AIME 2025 (Artificial Analysis run) | 46.3% | Not measured | Only GPT-4.1 Mini measured |
| OTIS Mock AIME | 44.7% | Not measured | Only GPT-4.1 Mini measured |
| FrontierMath, tiers 1 to 3 | 6.7% | Not measured | Only GPT-4.1 Mini measured |
| ProofBench | Not measured | 4.0% | Only MiniMax M2.5 measured |
| MATH level 5 | 87.3% | Not measured | Only GPT-4.1 Mini measured |
| LMArena Text: math | 1343 | 1378 | MiniMax M2.5 |
| LMArena Text: mathematical work | 1347 | 1378 | MiniMax M2.5 |
| Neither model has a result on the other 2 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index18
| Benchmark | GPT-4.1 Mini | MiniMax M2.5 | Leader |
|---|---|---|---|
| MMLU Pro | 77.2% | 80.1% | MiniMax M2.5 |
| LegalBench (Vals AI) | 78.0% | 80.0% | MiniMax M2.5 |
| CaseLaw (Vals AI) | Not measured | 53.5% | Only MiniMax M2.5 measured |
| CorpFin (Vals AI) | 57.9% | 59.6% | MiniMax M2.5 |
| TaxEval (Vals AI) | 71.9% | 68.2% | GPT-4.1 Mini |
| MortgageTax (Vals AI) | 65.5% | Not measured | Only GPT-4.1 Mini measured |
| MedQA (Vals AI) | 84.6% | 92.5% | MiniMax M2.5 |
| MMLU Pro (Artificial Analysis run) | 78.1% | Not measured | Only GPT-4.1 Mini measured |
| SimpleQA Verified | 12.7% | Not measured | Only GPT-4.1 Mini measured |
| LMArena Text: science | 1328 | 1369 | MiniMax M2.5 |
| LMArena Text: medicine and healthcare | 1324 | 1357 | MiniMax M2.5 |
| LMArena Text: legal and government | 1343 | 1366 | MiniMax M2.5 |
| LMArena Text: business and finance | 1322 | 1356 | MiniMax M2.5 |
| Neither model has a result on the other 4 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index06
| Benchmark | GPT-4.1 Mini | MiniMax M2.5 | Leader |
|---|---|---|---|
| Design Arena: websites | 997 | 1222 | MiniMax M2.5 |
| Design Arena: UI components | 961 | 1172 | MiniMax M2.5 |
| Design Arena: game dev | 1071 | 1176 | MiniMax M2.5 |
| Design Arena: data viz | 1034 | 1171 | MiniMax M2.5 |
| Design Arena: 3D | 837 | 1170 | MiniMax M2.5 |
| Design Arena: all code categories | 994 | 1207 | MiniMax M2.5 |
| Design Arena: SVG | Not measured | 1147 | Only MiniMax M2.5 measured |
| Neither model has a result on the other 2 boards here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index217
| Benchmark | GPT-4.1 Mini | MiniMax M2.5 | Leader |
|---|---|---|---|
| IFBench | 38.3% | 71.6% | MiniMax M2.5 |
| Long context reasoning (AA-LCR) | 44.0% | 73.3% | MiniMax M2.5 |
| DTBench | 68.8% | Not measured | Only GPT-4.1 Mini measured |
| LMCA | 21.1% | Not measured | Only GPT-4.1 Mini measured |
| Fiction.LiveBench | 44.4% | Not measured | Only GPT-4.1 Mini measured |
| CL-bench | Not measured | 11.4% | Only MiniMax M2.5 measured |
| CL-bench Life | Not measured | 6.3% | Only MiniMax M2.5 measured |
| LMArena Text | 1341 | 1359 | MiniMax M2.5 |
| LMArena Text: instruction following | 1333 | 1353 | MiniMax M2.5 |
| LMArena Text: creative writing | 1299 | 1331 | MiniMax M2.5 |
| LMArena Vision | 1181 | Not measured | Only GPT-4.1 Mini measured |
| LMArena Text: English | 1356 | 1380 | MiniMax M2.5 |
| LMArena Text: non-English | 1318 | 1338 | MiniMax M2.5 |
| LMArena Text: Chinese | 1329 | 1393 | MiniMax M2.5 |
| LMArena Text: German | 1350 | 1361 | MiniMax M2.5 |
| LMArena Text: Japanese | 1290 | 1171 | GPT-4.1 Mini |
| LMArena Text: Korean | 1298 | 1233 | GPT-4.1 Mini |
| LMArena Text: French | 1358 | 1363 | MiniMax M2.5 |
| LMArena Text: Spanish | 1319 | 1353 | MiniMax M2.5 |
| LMArena Text: Russian | 1324 | 1359 | MiniMax M2.5 |
| LMArena Text: Polish | 1326 | 1334 | MiniMax M2.5 |
| LMArena Text: multi-turn | 1354 | 1364 | MiniMax M2.5 |
| LMArena Text: longer queries | 1344 | 1366 | MiniMax M2.5 |
| LMArena Text: writing and language | 1319 | 1345 | MiniMax M2.5 |
| LMArena Text: entertainment and media | 1300 | 1329 | MiniMax M2.5 |
| LMArena Vision: English | 1191 | Not measured | Only GPT-4.1 Mini measured |
| LMArena Vision: Chinese | 1186 | Not measured | Only GPT-4.1 Mini measured |
| LMArena Vision: reading text | 1188 | Not measured | Only GPT-4.1 Mini measured |
| LMArena Vision: humor | 1182 | Not measured | Only GPT-4.1 Mini measured |
| LMArena Vision: captioning | 1174 | Not measured | Only GPT-4.1 Mini measured |
| LMArena Vision: recognizing things | 1187 | Not measured | Only GPT-4.1 Mini measured |
| LMArena Vision: creative writing | 1182 | Not measured | Only GPT-4.1 Mini measured |
| Neither model has a result on the other 14 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | GPT-4.1 Mini | MiniMax M2.5 | Leader |
|---|---|---|---|
| Neither model has a result on 5 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
MiniMax M2.5 costs less
Repository review
50K input + 3K output tokens
MiniMax M2.5 costs less
Agent loop
200K input + 10K output tokens
MiniMax M2.5 costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | OpenAI GPT-4.1 Mini | MiniMax M2.5 |
|---|---|---|
| Maker | OpenAI | MiniMax |
| Weights | No public weights listed | Open weights |
| Released | April 14, 2025 | February 12, 2026 |
| Context window | 1.05M | 205K |
| Input $/Mtok | $0.40 | $0.27 |
| Output $/Mtok | $1.60 | $0.95 |
| Coding index | 28.5 | 59.4 |
| Independent measurements behind it | 2 | 2 |
| Cost per solved task | $1.818 | $0.62 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is GPT-4.1 Mini better than MiniMax M2.5 for coding?
Pick MiniMax M2.5 for coding: it scores 59.4 on the Vibe Coding Index against 28.5 for GPT-4.1 Mini. Pick GPT-4.1 Mini when the context window is larger, 1.05M against 205K tokens, or when what matters is TaxEval (Vals AI) or LMArena Text: Japanese, where it leads.
Which is cheaper, GPT-4.1 Mini or MiniMax M2.5?
GPT-4.1 Mini costs $0.40 per million input tokens and $1.60 per million output tokens; MiniMax M2.5 costs $0.27 and $0.95. Per solved SWE-bench Verified task, GPT-4.1 Mini costs $1.818 and MiniMax M2.5 $0.62.
Which has the bigger context window, GPT-4.1 Mini or MiniMax M2.5?
GPT-4.1 Mini, with 1.05M tokens against 205K.
How many benchmarks is the GPT-4.1 Mini vs MiniMax M2.5 comparison based on?
53 benchmarks have a result for both models as of October 21, 2026. GPT-4.1 Mini's coding index rests on 2 independent benchmarks and MiniMax M2.5's on 2. Where only one model has a result, the page says so instead of naming a winner.