Claude Sonnet 5 vs MiMo-V2.5-Pro
Claude Sonnet 5 leads MiMo-V2.5-Pro on coding, 57.7 to 31.6 on the Vibe Coding Index, and MiMo-V2.5-Pro costs 10.9x less per output token ($0.9152 vs $10.00 per million). Updated October 22, 2026; 67 benchmarks have a result for both.
Claude Sonnet 5 or MiMo-V2.5-Pro: which to pick
Pick Claude Sonnet 5 for coding: it scores 57.7 on the Vibe Coding Index against 31.6 for MiMo-V2.5-Pro.
Pick MiMo-V2.5-Pro for output tokens 10.9x cheaper ($0.9152 vs $10.00 per million) and a lower cost per solved task ($0.03 against $1.87).
- Shared results
- 67
- Claude Sonnet 5 only
- 54
- MiMo-V2.5-Pro only
- 3
- 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
Claude Sonnet 5
Claude Sonnet 5 scores 57.7 against 31.6.
6 and 4 benchmarks behind the scores
Intelligence
AA Intelligence Index
Claude Sonnet 5
Claude Sonnet 5 leads, 38.2 against 26.0.
Same board, both measured
Agentic work
AA Agentic Index
Claude Sonnet 5
Claude Sonnet 5 leads, 43.6 against 21.3.
Same board, both measured
Reasoning
GPQA Diamond
Claude Sonnet 5
Claude Sonnet 5 leads, 88.9% against 82.6%.
Same board, both measured
Knowledge
MMLU Pro
Claude Sonnet 5
Claude Sonnet 5 leads, 87.5% against 84.6%.
Same board, both measured
Web design
Design Arena: websites
Claude Sonnet 5
Claude Sonnet 5 leads, 1274 against 1266.
Same board, both measured
Long documents
Listed context window
MiMo-V2.5-Pro
MiMo-V2.5-Pro takes 1.05M tokens against 1M.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
MiMo-V2.5-Pro
Claude Sonnet 5 $0.0070, MiMo-V2.5-Pro $0.0009 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
MiMo-V2.5-Pro
Claude Sonnet 5 $1.87, MiMo-V2.5-Pro $0.03.
Published attempt cost and pass rate
At a glance
- Coding index
- Claude Sonnet 5 57.7 from 6 benchmarks, MiMo-V2.5-Pro 31.6 from 4 benchmarks.
- Widest category
- Math, 19.7 points apart on average over 3 shared benchmarks.
- Widest single gap
- ProofBench: Claude Sonnet 5 77.0% against MiMo-V2.5-Pro 22.0%, 55.0 points apart on a 0 to 100 scale.
- Output price
- Claude Sonnet 5 $10.00 against MiMo-V2.5-Pro $0.9152 per million output tokens, 10.9x apart.
- Context window
- Claude Sonnet 5 takes 1M tokens, MiMo-V2.5-Pro 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 | Claude Sonnet 5 | Bars | MiMo-V2.5-Pro | Ties |
|---|---|---|---|---|
| Coding | 12 | 2 | ||
| Intelligence | 1 | 0 | ||
| Agentic work | 5 | 0 | ||
| Reasoning | 3 | 3 | ||
| Math | 1 | 2 | ||
| Knowledge | 5 | 4 | ||
| Web design | 7 | 1 | ||
| General | 5 | 16 | ||
| All shared boards | 39 | 28 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index122
| Benchmark | Claude Sonnet 5 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| LiveBench coding | 74.7% | Not measured | Only Claude Sonnet 5 measured |
| LMArena WebDev | 1540 | 1480 | Claude Sonnet 5 |
| AA Coding Index | 71.5 | 60.2 | Claude Sonnet 5 |
| LiveCodeBench (Vals AI) | 82.4% | 81.3% | Claude Sonnet 5 |
| SWE-bench Verified (Vals AI) | 79.6% | 74.0% | Claude Sonnet 5 |
| Terminal-Bench 4 (Vals AI) | 10.6% | 0.5% | Claude Sonnet 5 |
| Vibe Code Bench (Vals AI) | 81.3% | 34.1% | Claude Sonnet 5 |
| Code migration (Vals AI) | 44.4% | 21.6% | Claude Sonnet 5 |
| ProgramBench (Vals AI) | 0.0% | Not measured | Only Claude Sonnet 5 measured |
| IOI (Vals AI) | 45.0% | Not measured | Only Claude Sonnet 5 measured |
| Terminal-Bench 2.1 (Vals AI) | 74.5% | 57.3% | Claude Sonnet 5 |
| Vibe Code Bench 1-100 (Vals AI) | 13.8% | Not measured | Only Claude Sonnet 5 measured |
| SkillsBench (Vals AI) | 46.5% | Not measured | Only Claude Sonnet 5 measured |
| CyberBench (Vals AI) | 70.3% | Not measured | Only Claude Sonnet 5 measured |
| SciCode | 54.3% | 50.6% | Claude Sonnet 5 |
| Terminal-Bench Hard (Artificial Analysis run) | Not measured | 43.2% | Only MiMo-V2.5-Pro measured |
| FrontierCode | 42.7% | Not measured | Only Claude Sonnet 5 measured |
| GSO-Bench | 37.3% | Not measured | Only Claude Sonnet 5 measured |
| WeirdML | 68.8% | Not measured | Only Claude Sonnet 5 measured |
| ALE-Bench | 1463.1 | 899.8 | Claude Sonnet 5 |
| LMArena Text: coding | 1483 | 1501 | MiMo-V2.5-Pro |
| LMArena Text: software and IT | 1474 | 1495 | MiMo-V2.5-Pro |
| LMArena WebDev: React | 1541 | 1469 | Claude Sonnet 5 |
| LMArena WebDev: HTML | 1527 | 1473 | Claude Sonnet 5 |
| LMArena WebDev: from an image | 1540 | Not measured | Only Claude Sonnet 5 measured |
| SciCode | 10.7% | Not measured | Only Claude Sonnet 5 measured |
| Neither model has a result on the other 13 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Claude Sonnet 5 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| AA Intelligence Index | 38.2 | 26.0 | Claude Sonnet 5 |
| Epoch Capabilities Index | 156.9 | Not measured | Only Claude Sonnet 5 measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index50
| Benchmark | Claude Sonnet 5 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| AA Agentic Index | 43.6 | 21.3 | Claude Sonnet 5 |
| Design Arena: agents building web apps | 1245 | Not measured | Only Claude Sonnet 5 measured |
| Design Arena: agents building full-stack apps | 1249 | Not measured | Only Claude Sonnet 5 measured |
| Design Arena: agents building mobile apps | 1215 | Not measured | Only Claude Sonnet 5 measured |
| Design Arena: agents building Android apps | 1227 | Not measured | Only Claude Sonnet 5 measured |
| Design Arena: agents building Godot games | 1225 | Not measured | Only Claude Sonnet 5 measured |
| Design Arena: agents building games | 1227 | Not measured | Only Claude Sonnet 5 measured |
| Design Arena: HTML slides | 1168 | Not measured | Only Claude Sonnet 5 measured |
| Design Arena: PowerPoint slides | 1191 | Not measured | Only Claude Sonnet 5 measured |
| Design Arena: spreadsheets | 1035 | Not measured | Only Claude Sonnet 5 measured |
| LiveBench research | 82.8% | Not measured | Only Claude Sonnet 5 measured |
| LiveBench browser | 72.0% | Not measured | Only Claude Sonnet 5 measured |
| LiveBench long agentic | 39.0% | Not measured | Only Claude Sonnet 5 measured |
| SREBench (Vals AI) | 0.4% | Not measured | Only Claude Sonnet 5 measured |
| Finance Agent (Vals AI) | 53.9% | 41.5% | Claude Sonnet 5 |
| Tax Agent Bench (Vals AI) | 29.4% | 11.5% | Claude Sonnet 5 |
| Legal Research Bench (Vals AI) | 41.8% | 15.9% | Claude Sonnet 5 |
| Excel Modeling Benchmark (Vals AI) | 66.3% | 55.2% | Claude Sonnet 5 |
| Terminal-Bench-Science (Vals AI) | 5.7% | Not measured | Only Claude Sonnet 5 measured |
| τ²-Bench Telecom | Not measured | 94.2% | Only MiMo-V2.5-Pro measured |
| APEX-Agents | 54.5% | Not measured | Only Claude Sonnet 5 measured |
| Vending-Bench 2 | $6,378 | Not measured | Only Claude Sonnet 5 measured |
| Neither model has a result on the other 19 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index33
| Benchmark | Claude Sonnet 5 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| GPQA Diamond | 88.9% | 82.6% | Claude Sonnet 5 |
| LiveBench reasoning | 88.7% | Not measured | Only Claude Sonnet 5 measured |
| MMMU Pro (Vals AI) | 83.0% | Not measured | Only Claude Sonnet 5 measured |
| GPQA Diamond (Artificial Analysis run) | 91.1% | 86.6% | Claude Sonnet 5 |
| Humanity's Last Exam (Artificial Analysis run) | 41.3% | 35.7% | Claude Sonnet 5 |
| GPQA Diamond (Epoch AI run) | 90.5% | Not measured | Only Claude Sonnet 5 measured |
| SimpleBench | 60.6% | Not measured | Only Claude Sonnet 5 measured |
| Chess puzzles | 45.0% | Not measured | Only Claude Sonnet 5 measured |
| Mystery game puzzles | 35.0% | Not measured | Only Claude Sonnet 5 measured |
| LMArena Text: hard prompts | 1461 | 1486 | MiMo-V2.5-Pro |
| LMArena Text: expert | 1489 | 1501 | MiMo-V2.5-Pro |
| LMArena Text: hard prompts in English | 1464 | 1494 | MiMo-V2.5-Pro |
| LMArena Vision: diagrams | 1293 | Not measured | Only Claude Sonnet 5 measured |
| LMArena Vision: homework | 1311 | Not measured | Only Claude Sonnet 5 measured |
| Neither model has a result on the other 8 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index12
| Benchmark | Claude Sonnet 5 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| OTIS Mock AIME | 94.7% | Not measured | Only Claude Sonnet 5 measured |
| FrontierMath, tiers 1 to 3 | 65.6% | Not measured | Only Claude Sonnet 5 measured |
| FrontierMath, tier 4 | 29.3% | Not measured | Only Claude Sonnet 5 measured |
| ProofBench | 77.0% | 22.0% | Claude Sonnet 5 |
| LMArena Text: math | 1467 | 1481 | MiMo-V2.5-Pro |
| LMArena Text: mathematical work | 1481 | 1491 | MiMo-V2.5-Pro |
| Neither model has a result on the other 7 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index54
| Benchmark | Claude Sonnet 5 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| MMLU Pro | 87.5% | 84.6% | Claude Sonnet 5 |
| LegalBench (Vals AI) | 83.9% | 77.1% | Claude Sonnet 5 |
| CorpFin (Vals AI) | 67.0% | 61.4% | Claude Sonnet 5 |
| TaxEval (Vals AI) | 75.6% | 73.8% | Claude Sonnet 5 |
| MortgageTax (Vals AI) | 70.0% | Not measured | Only Claude Sonnet 5 measured |
| MedCode (Vals AI) | 47.5% | 32.5% | Claude Sonnet 5 |
| SimpleQA Verified | 33.7% | Not measured | Only Claude Sonnet 5 measured |
| LMArena Text: science | 1460 | 1482 | MiMo-V2.5-Pro |
| LMArena Text: medicine and healthcare | 1442 | 1473 | MiMo-V2.5-Pro |
| LMArena Text: legal and government | 1454 | 1474 | MiMo-V2.5-Pro |
| LMArena Text: business and finance | 1436 | 1466 | MiMo-V2.5-Pro |
| Neither model has a result on the other 7 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index71
| Benchmark | Claude Sonnet 5 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| Design Arena: websites | 1274 | 1266 | Claude Sonnet 5 |
| Design Arena: UI components | 1277 | 1246 | Claude Sonnet 5 |
| Design Arena: game dev | 1277 | 1261 | Claude Sonnet 5 |
| Design Arena: data viz | 1251 | 1257 | MiMo-V2.5-Pro |
| Design Arena: 3D | 1261 | 1243 | Claude Sonnet 5 |
| Design Arena: all code categories | 1275 | 1265 | Claude Sonnet 5 |
| Design Arena: SVG | 1192 | 1181 | Claude Sonnet 5 |
| Design Arena: ASCII art | 1207 | 1156 | Claude Sonnet 5 |
| LiveBench design | 82.0% | Not measured | Only Claude Sonnet 5 measured |
GeneralLike-for-likePublic boards, shown as published, kept out of the index516
| Benchmark | Claude Sonnet 5 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| LiveBench data analysis | 71.7% | Not measured | Only Claude Sonnet 5 measured |
| Public Benefits Bench (Vals AI) | 66.0% | Not measured | Only Claude Sonnet 5 measured |
| SAGE (Vals AI) | 48.9% | Not measured | Only Claude Sonnet 5 measured |
| MedScribe (Vals AI) | 76.0% | 83.7% | MiMo-V2.5-Pro |
| Vals Multimodal Index | 68.8% | Not measured | Only Claude Sonnet 5 measured |
| IFBench | Not measured | 79.9% | Only MiMo-V2.5-Pro measured |
| Long context reasoning (AA-LCR) | 82.0% | 79.7% | Claude Sonnet 5 |
| DTBench | 92.5% | 84.5% | Claude Sonnet 5 |
| LMCA | 50.0% | 29.5% | Claude Sonnet 5 |
| Surface Evolver Bench | 60.0% | Not measured | Only Claude Sonnet 5 measured |
| LMArena Text | 1442 | 1464 | MiMo-V2.5-Pro |
| LMArena Text: instruction following | 1452 | 1475 | MiMo-V2.5-Pro |
| LMArena Text: creative writing | 1416 | 1438 | MiMo-V2.5-Pro |
| LMArena Vision | 1273 | Not measured | Only Claude Sonnet 5 measured |
| LMArena Text: English | 1450 | 1477 | MiMo-V2.5-Pro |
| LMArena Text: non-English | 1431 | 1448 | MiMo-V2.5-Pro |
| LMArena Text: Chinese | 1478 | 1507 | MiMo-V2.5-Pro |
| LMArena Text: German | 1442 | 1459 | MiMo-V2.5-Pro |
| LMArena Text: Japanese | 1422 | 1410 | Claude Sonnet 5 |
| LMArena Text: Korean | 1412 | 1435 | MiMo-V2.5-Pro |
| LMArena Text: French | 1463 | 1487 | MiMo-V2.5-Pro |
| LMArena Text: Spanish | 1438 | 1469 | MiMo-V2.5-Pro |
| LMArena Text: Russian | 1450 | 1449 | Claude Sonnet 5 |
| LMArena Text: Polish | 1425 | 1464 | MiMo-V2.5-Pro |
| LMArena Text: multi-turn | 1453 | 1476 | MiMo-V2.5-Pro |
| LMArena Text: longer queries | 1462 | 1481 | MiMo-V2.5-Pro |
| LMArena Text: writing and language | 1436 | 1451 | MiMo-V2.5-Pro |
| LMArena Text: entertainment and media | 1411 | 1438 | MiMo-V2.5-Pro |
| LMArena Vision: English | 1275 | Not measured | Only Claude Sonnet 5 measured |
| LMArena Vision: Chinese | 1331 | Not measured | Only Claude Sonnet 5 measured |
| LMArena Vision: reading text | 1288 | Not measured | Only Claude Sonnet 5 measured |
| LMArena Vision: humor | 1261 | Not measured | Only Claude Sonnet 5 measured |
| LMArena Vision: creative writing | 1246 | Not measured | Only Claude Sonnet 5 measured |
| LMArena Document | 1466 | Not measured | Only Claude Sonnet 5 measured |
| Neither model has a result on the other 12 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Claude Sonnet 5 | MiMo-V2.5-Pro | 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-Pro costs less
Repository review
50K input + 3K output tokens
MiMo-V2.5-Pro costs less
Agent loop
200K input + 10K output tokens
MiMo-V2.5-Pro 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 | Anthropic Claude Sonnet 5 | Xiaomi MiMo-V2.5-Pro |
|---|---|---|
| Maker | Anthropic | Xiaomi |
| Weights | No public weights listed | Open weights |
| Released | June 30, 2026 | April 22, 2026 |
| Context window | 1M | 1.05M |
| Input $/Mtok | $2.00 | $0.4575 |
| Output $/Mtok | $10.00 | $0.9152 |
| Coding index | 57.7 | 31.6 |
| Independent measurements behind it | 6 | 4 |
| Cost per solved task | $1.87 | $0.03 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Claude Sonnet 5 better than MiMo-V2.5-Pro for coding?
Pick Claude Sonnet 5 for coding: it scores 57.7 on the Vibe Coding Index against 31.6 for MiMo-V2.5-Pro. Pick MiMo-V2.5-Pro for output tokens 10.9x cheaper ($0.9152 vs $10.00 per million) and a lower cost per solved task ($0.03 against $1.87).
Which is cheaper, Claude Sonnet 5 or MiMo-V2.5-Pro?
Claude Sonnet 5 costs $2.00 per million input tokens and $10.00 per million output tokens; MiMo-V2.5-Pro costs $0.4575 and $0.9152. Per solved SWE-bench Verified task, Claude Sonnet 5 costs $1.87 and MiMo-V2.5-Pro $0.03.
Which has the bigger context window, Claude Sonnet 5 or MiMo-V2.5-Pro?
MiMo-V2.5-Pro, with 1.05M tokens against 1M.
How many benchmarks is the Claude Sonnet 5 vs MiMo-V2.5-Pro comparison based on?
67 benchmarks have a result for both models as of October 22, 2026. Claude Sonnet 5's coding index rests on 6 independent benchmarks and MiMo-V2.5-Pro's on 4. Where only one model has a result, the page says so instead of naming a winner.