Trinity Large Thinking vs MiMo-V2.5
MiMo-V2.5 leads Trinity Large Thinking on the Artificial Analysis Intelligence Index, 21.8 to 10.8, and MiMo-V2.5 costs 2.4x less per output token ($0.336 vs $0.80 per million). Updated October 22, 2026; 50 benchmarks have a result for both.
Trinity Large Thinking or MiMo-V2.5: which to pick
Only MiMo-V2.5 has a coding score, 50.0 on the Vibe Coding Index; Trinity Large Thinking has none, so the two cannot be ranked on coding.
Pick Trinity Large Thinking for work measured by LMArena Text: Japanese, where it leads.
- Shared results
- 50
- Trinity Large Thinking only
- 2
- MiMo-V2.5 only
- 30
- Like-for-like categories
- 8 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
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, six public coding benchmarks
No call
Only MiMo-V2.5 has a coding score, so no call is made.
One side not measured
Intelligence
AA Intelligence Index
MiMo-V2.5
MiMo-V2.5 leads, 21.8 against 10.8.
Same board, both measured
Agentic work
AA Agentic Index
MiMo-V2.5
MiMo-V2.5 leads, 15.8 against 1.0.
Same board, both measured
Reasoning
GPQA Diamond
No call
Only MiMo-V2.5 has a GPQA Diamond result, 81.6%.
Directional only
Knowledge
MMLU Pro
No call
Only MiMo-V2.5 has a MMLU Pro result, 82.9%.
Directional only
Web design
Design Arena: websites
MiMo-V2.5
MiMo-V2.5 leads, 1265 against 1137.
Same board, both measured
Long documents
Listed context window
MiMo-V2.5
MiMo-V2.5 takes 1.05M tokens against 262K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
MiMo-V2.5
Trinity Large Thinking $0.0006, MiMo-V2.5 $0.0003 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only MiMo-V2.5 has the number, $0.01.
Directional only
At a glance
- Coding index
- Trinity Large Thinking not benchmarked, MiMo-V2.5 50.0 from 3 benchmarks.
- Widest category
- Coding, 22.7 points apart on average over 8 shared benchmarks.
- Widest single gap
- Long context reasoning (AA-LCR): Trinity Large Thinking 38.0% against MiMo-V2.5 73.0%, 35.0 points apart on a 0 to 100 scale.
- Output price
- Trinity Large Thinking $0.80 against MiMo-V2.5 $0.336 per million output tokens, 2.4x apart.
- Context window
- Trinity Large Thinking takes 262K tokens, MiMo-V2.5 1.05M.
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 | Trinity Large Thinking | Bars | MiMo-V2.5 | Ties |
|---|---|---|---|---|
| Coding | 0 | 8 | ||
| Intelligence | 0 | 1 | ||
| Agentic work | 0 | 2 | ||
| Reasoning | 0 | 5 | ||
| Math | 0 | 2 | ||
| Knowledge | 0 | 5 | ||
| Web design | 0 | 8 | ||
| General | 1 | 18 | ||
| All shared boards | 1 | 49 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index08
| Benchmark | Trinity Large Thinking | MiMo-V2.5 | Leader |
|---|---|---|---|
| LMArena WebDev | 1238 | 1438 | MiMo-V2.5 |
| AA Coding Index | 25.8 | 56.8 | MiMo-V2.5 |
| LiveCodeBench (Vals AI) | Not measured | 81.5% | Only MiMo-V2.5 measured |
| SWE-bench Verified (Vals AI) | Not measured | 71.0% | Only MiMo-V2.5 measured |
| Vibe Code Bench (Vals AI) | Not measured | 42.2% | Only MiMo-V2.5 measured |
| Code migration (Vals AI) | Not measured | 14.2% | Only MiMo-V2.5 measured |
| Terminal-Bench 2.1 (Vals AI) | Not measured | 60.7% | Only MiMo-V2.5 measured |
| SciCode | 40.6% | 43.9% | MiMo-V2.5 |
| Terminal-Bench Hard (Artificial Analysis run) | 22.7% | 41.7% | MiMo-V2.5 |
| ALE-Bench | Not measured | 514.0 | Only MiMo-V2.5 measured |
| LMArena Text: coding | 1357 | 1469 | MiMo-V2.5 |
| LMArena Text: software and IT | 1362 | 1463 | MiMo-V2.5 |
| LMArena WebDev: React | 1231 | 1425 | MiMo-V2.5 |
| LMArena WebDev: HTML | 1240 | 1429 | MiMo-V2.5 |
| Neither model has a result on the other 25 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Trinity Large Thinking | MiMo-V2.5 | Leader |
|---|---|---|---|
| AA Intelligence Index | 10.8 | 21.8 | MiMo-V2.5 |
| Neither model has a result on the other 1 board here | |||
Agentic workLike-for-likePublic boards, shown as published, kept out of the index02
| Benchmark | Trinity Large Thinking | MiMo-V2.5 | Leader |
|---|---|---|---|
| AA Agentic Index | 1.0 | 15.8 | MiMo-V2.5 |
| Finance Agent (Vals AI) | Not measured | 36.7% | Only MiMo-V2.5 measured |
| Tax Agent Bench (Vals AI) | Not measured | 7.8% | Only MiMo-V2.5 measured |
| Legal Research Bench (Vals AI) | Not measured | 9.1% | Only MiMo-V2.5 measured |
| Excel Modeling Benchmark (Vals AI) | Not measured | 55.1% | Only MiMo-V2.5 measured |
| τ²-Bench Telecom | 90.1% | 90.6% | MiMo-V2.5 |
| Neither model has a result on the other 35 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index05
| Benchmark | Trinity Large Thinking | MiMo-V2.5 | Leader |
|---|---|---|---|
| GPQA Diamond | Not measured | 81.6% | Only MiMo-V2.5 measured |
| MMMU Pro (Vals AI) | Not measured | 80.0% | Only MiMo-V2.5 measured |
| GPQA Diamond (Artificial Analysis run) | 75.2% | 84.9% | MiMo-V2.5 |
| Humanity's Last Exam (Artificial Analysis run) | 15.8% | 27.2% | MiMo-V2.5 |
| LMArena Text: hard prompts | 1342 | 1450 | MiMo-V2.5 |
| LMArena Text: expert | 1359 | 1459 | MiMo-V2.5 |
| LMArena Text: hard prompts in English | 1356 | 1461 | MiMo-V2.5 |
| LMArena Vision: diagrams | Not measured | 1269 | Only MiMo-V2.5 measured |
| LMArena Vision: homework | Not measured | 1262 | Only MiMo-V2.5 measured |
| Neither model has a result on the other 13 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index02
| Benchmark | Trinity Large Thinking | MiMo-V2.5 | Leader |
|---|---|---|---|
| ProofBench | Not measured | 16.0% | Only MiMo-V2.5 measured |
| LMArena Text: math | 1365 | 1436 | MiMo-V2.5 |
| LMArena Text: mathematical work | 1350 | 1451 | MiMo-V2.5 |
| Neither model has a result on the other 10 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index05
| Benchmark | Trinity Large Thinking | MiMo-V2.5 | Leader |
|---|---|---|---|
| MMLU Pro | Not measured | 82.9% | Only MiMo-V2.5 measured |
| LegalBench (Vals AI) | Not measured | 78.9% | Only MiMo-V2.5 measured |
| CaseLaw (Vals AI) | 57.9% | Not measured | Only Trinity Large Thinking measured |
| CorpFin (Vals AI) | 54.7% | 59.9% | MiMo-V2.5 |
| TaxEval (Vals AI) | Not measured | 71.8% | Only MiMo-V2.5 measured |
| MortgageTax (Vals AI) | Not measured | 59.3% | Only MiMo-V2.5 measured |
| MedCode (Vals AI) | Not measured | 31.9% | Only MiMo-V2.5 measured |
| LMArena Text: science | 1355 | 1440 | MiMo-V2.5 |
| LMArena Text: medicine and healthcare | 1349 | 1432 | MiMo-V2.5 |
| LMArena Text: legal and government | 1345 | 1425 | MiMo-V2.5 |
| LMArena Text: business and finance | 1329 | 1432 | MiMo-V2.5 |
| Neither model has a result on the other 7 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index08
| Benchmark | Trinity Large Thinking | MiMo-V2.5 | Leader |
|---|---|---|---|
| Design Arena: websites | 1137 | 1265 | MiMo-V2.5 |
| Design Arena: UI components | 1042 | 1255 | MiMo-V2.5 |
| Design Arena: game dev | 1078 | 1249 | MiMo-V2.5 |
| Design Arena: data viz | 1098 | 1250 | MiMo-V2.5 |
| Design Arena: 3D | 1081 | 1215 | MiMo-V2.5 |
| Design Arena: all code categories | 1117 | 1260 | MiMo-V2.5 |
| Design Arena: SVG | 1016 | 1179 | MiMo-V2.5 |
| Design Arena: ASCII art | 1041 | 1140 | MiMo-V2.5 |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index118
| Benchmark | Trinity Large Thinking | MiMo-V2.5 | Leader |
|---|---|---|---|
| SAGE (Vals AI) | Not measured | 43.3% | Only MiMo-V2.5 measured |
| MedScribe (Vals AI) | Not measured | 72.2% | Only MiMo-V2.5 measured |
| Vals Multimodal Index | Not measured | 52.8% | Only MiMo-V2.5 measured |
| IFBench | 56.3% | 67.1% | MiMo-V2.5 |
| Long context reasoning (AA-LCR) | 38.0% | 73.0% | MiMo-V2.5 |
| Surface Evolver Bench | 15.6% | Not measured | Only Trinity Large Thinking measured |
| LMArena Text | 1340 | 1428 | MiMo-V2.5 |
| LMArena Text: instruction following | 1326 | 1435 | MiMo-V2.5 |
| LMArena Text: creative writing | 1308 | 1393 | MiMo-V2.5 |
| LMArena Vision | Not measured | 1247 | Only MiMo-V2.5 measured |
| LMArena Text: English | 1356 | 1447 | MiMo-V2.5 |
| LMArena Text: non-English | 1325 | 1405 | MiMo-V2.5 |
| LMArena Text: Chinese | 1371 | 1469 | MiMo-V2.5 |
| LMArena Text: German | 1356 | 1421 | MiMo-V2.5 |
| LMArena Text: Japanese | 1312 | 1306 | Trinity Large Thinking |
| LMArena Text: Korean | 1306 | 1361 | MiMo-V2.5 |
| LMArena Text: French | 1366 | 1448 | MiMo-V2.5 |
| LMArena Text: Spanish | 1327 | 1414 | MiMo-V2.5 |
| LMArena Text: Russian | 1338 | 1396 | MiMo-V2.5 |
| LMArena Text: Polish | 1312 | 1413 | MiMo-V2.5 |
| LMArena Text: multi-turn | 1320 | 1445 | MiMo-V2.5 |
| LMArena Text: longer queries | 1318 | 1445 | MiMo-V2.5 |
| LMArena Text: writing and language | 1317 | 1409 | MiMo-V2.5 |
| LMArena Text: entertainment and media | 1296 | 1399 | MiMo-V2.5 |
| LMArena Vision: English | Not measured | 1259 | Only MiMo-V2.5 measured |
| LMArena Vision: Chinese | Not measured | 1326 | Only MiMo-V2.5 measured |
| LMArena Vision: reading text | Not measured | 1256 | Only MiMo-V2.5 measured |
| LMArena Vision: humor | Not measured | 1226 | Only MiMo-V2.5 measured |
| LMArena Vision: recognizing things | Not measured | 1189 | Only MiMo-V2.5 measured |
| LMArena Vision: creative writing | Not measured | 1230 | Only MiMo-V2.5 measured |
| Neither model has a result on the other 16 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Trinity Large Thinking | MiMo-V2.5 | 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
MiMo-V2.5 costs less
Repository review
50K input + 3K output tokens
MiMo-V2.5 costs less
Agent loop
200K input + 10K output tokens
MiMo-V2.5 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 | Arcee AI Trinity Large Thinking | Xiaomi MiMo-V2.5 |
|---|---|---|
| Maker | Arcee AI | Xiaomi |
| Weights | Open weights | Open weights |
| Released | April 1, 2026 | April 22, 2026 |
| Context window | 262K | 1.05M |
| Input $/Mtok | $0.25 | $0.168 |
| Output $/Mtok | $0.80 | $0.336 |
| Coding index | Not benchmarked | 50.0 |
| Independent measurements behind it | 1 | 3 |
| Cost per solved task | Not computable | $0.01 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Trinity Large Thinking better than MiMo-V2.5 for coding?
Only MiMo-V2.5 has a coding score, 50.0 on the Vibe Coding Index; Trinity Large Thinking has none, so the two cannot be ranked on coding. Pick Trinity Large Thinking for work measured by LMArena Text: Japanese, where it leads.
Which is cheaper, Trinity Large Thinking or MiMo-V2.5?
Trinity Large Thinking costs $0.25 per million input tokens and $0.80 per million output tokens; MiMo-V2.5 costs $0.168 and $0.336. Cost per solved task is known for MiMo-V2.5 only.
Which has the bigger context window, Trinity Large Thinking or MiMo-V2.5?
MiMo-V2.5, with 1.05M tokens against 262K.
How many benchmarks is the Trinity Large Thinking vs MiMo-V2.5 comparison based on?
50 benchmarks have a result for both models as of October 22, 2026. Trinity Large Thinking's coding index rests on 1 independent benchmark and MiMo-V2.5's on 3. Where only one model has a result, the page says so instead of naming a winner.