Model comparison
MiMo-V2.5-Pro vs Qwen3.5 397B-A17B
MiMo-V2.5-Pro and Qwen3.5 397B-A17B score almost the same on the Noometry Index (44.8 vs 45.7), so choose on price, context window or the category you care about most.
Last verified . 22 shared benchmarks.
Alibaba (Qwen)Summary
- They share 22 benchmarks with published results for both. MiMo-V2.5-Pro scores higher in 5 categories and Qwen3.5 397B-A17B in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.5 397B-A17B leads 53.3 to 41.5.
- The biggest single-benchmark swing is NYT Connections (extended): 34.4% for MiMo-V2.5-Pro and 58.9% for Qwen3.5 397B-A17B.
- MiMo-V2.5-Pro is cheaper at $0.43 / $0.87 per million input/output tokens, against $0.60 / $3.60 for Qwen3.5 397B-A17B.
- MiMo-V2.5-Pro accepts more context: 1.05M tokens versus 262K.
Side by side
| MiMo-V2.5-Pro | Qwen3.5 397B-A17B | |
|---|---|---|
| Provider | Xiaomi | Alibaba (Qwen) |
| Noometry Index | 44.8 | 45.7 |
| Released | 2026-04-22 | 2026-02-01 |
| Weights | Open | Open |
| Context window | 1.05M | 262K |
| Max output | 131K | 66K |
| Input $ / M tokens | $0.43 | $0.60 |
| Output $ / M tokens | $0.87 | $3.60 |
| Results tracked | 27 | 36 |
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Category by category
Coding MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 47.0 (#58), Qwen3.5 397B-A17B: 41.7 (#108)
| Benchmark | MiMo-V2.5-Pro | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena WebDev | 1477 | 1400 |
| LMArena Coding | 1502 | 1464 |
| SciCode | 50.2% | — |
| ALE-Bench | 899.8 | — |
Agentic & Tool Use Not comparable
MiMo-V2.5-Pro: —, Qwen3.5 397B-A17B: 33.2 (#51)
| Benchmark | MiMo-V2.5-Pro | Qwen3.5 397B-A17B |
|---|---|---|
| APEX-Agents | — | 24.9% |
| τ²-bench Airline | — | 81.5% |
| τ²-bench Banking | — | 9.8% |
| τ²-bench Retail | — | 84.4% |
| τ²-bench Telecom | — | 97.8% |
Reasoning Qwen3.5 397B-A17B leads
MiMo-V2.5-Pro: 25.9 (#124), Qwen3.5 397B-A17B: 33.6 (#62)
| Benchmark | MiMo-V2.5-Pro | Qwen3.5 397B-A17B |
|---|---|---|
| NYT Connections (extended) | 34.4% | 58.9% |
| LMArena Hard Prompts | 1487 | 1448 |
| DTBench | 84.5% | 87.5% |
| LMCA | 29.5% | 37.9% |
| Kagi LLM Benchmark | — | 73.7% |
| CritPt | 4% | — |
| Chess Puzzles | — | 13% |
| Thematic Generalization | — | 65.1% |
| Mystery Game Puzzles | — | 18% |
| Epoch Capabilities Index | — | 146.64 |
Math Qwen3.5 397B-A17B leads
MiMo-V2.5-Pro: 38.6 (#84), Qwen3.5 397B-A17B: 44.9 (#64)
| Benchmark | MiMo-V2.5-Pro | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Math | 1480 | 1455 |
| FrontierMath (Tiers 1-3) | — | 31.2% |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | 22% | — |
Knowledge Qwen3.5 397B-A17B leads
MiMo-V2.5-Pro: 41.5 (#100), Qwen3.5 397B-A17B: 53.3 (#53)
| Benchmark | MiMo-V2.5-Pro | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Expert | 1501 | 1461 |
| GPQA Diamond | — | 86.4% |
Multimodal Not comparable
MiMo-V2.5-Pro: —, Qwen3.5 397B-A17B: 40.0 (#42)
| Benchmark | MiMo-V2.5-Pro | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Vision | — | 1262 |
Multilingual MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 55.3 (#33), Qwen3.5 397B-A17B: 54.0 (#56)
| Benchmark | MiMo-V2.5-Pro | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Non-English | 1449 | 1431 |
| LMArena Chinese | 1507 | 1501 |
| LMArena French | 1489 | 1461 |
| LMArena German | 1455 | 1447 |
| LMArena Japanese | 1418 | 1427 |
| LMArena Korean | 1436 | 1382 |
| LMArena Russian | 1450 | 1429 |
| LMArena Spanish | 1470 | 1443 |
Instruction Following MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 77.6 (#21), Qwen3.5 397B-A17B: 75.2 (#73)
| Benchmark | MiMo-V2.5-Pro | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Instruction Following | 1477 | 1424 |
Long Context MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 45.4 (#38), Qwen3.5 397B-A17B: 44.1 (#71)
| Benchmark | MiMo-V2.5-Pro | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Longer Query | 1482 | 1442 |
Writing & Preference MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 65.5 (#47), Qwen3.5 397B-A17B: 62.5 (#74)
| Benchmark | MiMo-V2.5-Pro | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Text | 1465 | 1438 |
| LMArena Creative Writing | 1440 | 1401 |
| EQ-Bench Creative Writing | 1493 | 1478 |
| LMArena Multi-Turn | 1477 | 1447 |
| EQ-Bench 4 | 1208 | — |
Frequently asked questions
Is MiMo-V2.5-Pro better than Qwen3.5 397B-A17B?
MiMo-V2.5-Pro and Qwen3.5 397B-A17B score almost the same on the Noometry Index (44.8 vs 45.7), so choose on price, context window or the category you care about most.
Which is cheaper, MiMo-V2.5-Pro or Qwen3.5 397B-A17B?
MiMo-V2.5-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; Qwen3.5 397B-A17B lists at $0.60 and $3.60.
Is MiMo-V2.5-Pro or Qwen3.5 397B-A17B better for coding?
MiMo-V2.5-Pro scores higher on coding benchmarks: 47.0 versus 41.7 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.5-Pro does, with 1.05M tokens against 262K.
How many benchmarks do MiMo-V2.5-Pro and Qwen3.5 397B-A17B share?
22 benchmarks have published results for both models. MiMo-V2.5-Pro has 27 scored results on Noometry and Qwen3.5 397B-A17B has 36.