Model comparison
MiMo-V2-Pro vs Sonar
MiMo-V2-Pro is the stronger model overall, scoring 43.0 to 38.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
PerplexitySummary
- The widest gap is in writing & preference, where MiMo-V2-Pro leads 62.8 to 52.6.
- MiMo-V2-Pro is cheaper at $0.43 / $0.87 per million input/output tokens, against $1 / $1 for Sonar.
- MiMo-V2-Pro accepts more context: 1.05M tokens versus 128K.
Side by side
| MiMo-V2-Pro | Sonar | |
|---|---|---|
| Provider | Xiaomi | Perplexity |
| Noometry Index | 43.0 | 38.5 |
| Released | 2026-03-18 | 2024-01-01 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 128K |
| Max output | 131K | 4K |
| Input $ / M tokens | $0.43 | $1 |
| Output $ / M tokens | $0.87 | $1 |
| Results tracked | 23 | 7 |
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Category by category
Coding MiMo-V2-Pro leads
MiMo-V2-Pro: 43.8 (#83), Sonar: 35.7 (#221)
| Benchmark | MiMo-V2-Pro | Sonar |
|---|---|---|
| LMArena WebDev | 1433 | — |
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1476 | — |
| ALE-Bench | 785.17 | — |
Reasoning MiMo-V2-Pro leads
MiMo-V2-Pro: 22.1 (#206), Sonar: 21.1 (#227)
| Benchmark | MiMo-V2-Pro | Sonar |
|---|---|---|
| NYT Connections (extended) | 25.8% | — |
| Thematic Generalization | 45.9% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1457 | — |
| LiveBench Data Analysis | — | 37.9% |
| LiveBench | — | 46.9% |
Math MiMo-V2-Pro leads
MiMo-V2-Pro: 39.5 (#102), Sonar: 33.7 (#200)
| Benchmark | MiMo-V2-Pro | Sonar |
|---|---|---|
| LiveBench Math | — | 41.6% |
| LMArena Math | 1447 | — |
Knowledge Not comparable
MiMo-V2-Pro: 41.4 (#111), Sonar: —
| Benchmark | MiMo-V2-Pro | Sonar |
|---|---|---|
| LMArena Expert | 1478 | — |
Multilingual Not comparable
MiMo-V2-Pro: 52.7 (#81), Sonar: —
| Benchmark | MiMo-V2-Pro | Sonar |
|---|---|---|
| LMArena Non-English | 1416 | — |
| LMArena Chinese | 1456 | — |
| LMArena French | 1469 | — |
| LMArena German | 1417 | — |
| LMArena Japanese | 1366 | — |
| LMArena Korean | 1400 | — |
| LMArena Russian | 1427 | — |
| LMArena Spanish | 1457 | — |
Instruction Following MiMo-V2-Pro leads
MiMo-V2-Pro: 76.0 (#49), Sonar: 71.4 (#150)
| Benchmark | MiMo-V2-Pro | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1445 | — |
Long Context Not comparable
MiMo-V2-Pro: 41.5 (#138), Sonar: —
| Benchmark | MiMo-V2-Pro | Sonar |
|---|---|---|
| CL-bench | 15.7% | — |
| CL-bench Life | 6.9% | — |
| LMArena Longer Query | 1455 | — |
Writing & Preference MiMo-V2-Pro leads
MiMo-V2-Pro: 62.8 (#70), Sonar: 52.6 (#167)
| Benchmark | MiMo-V2-Pro | Sonar |
|---|---|---|
| LMArena Text | 1436 | — |
| LMArena Creative Writing | 1415 | — |
| LMArena Multi-Turn | 1456 | — |
| LiveBench Language | — | 44.1% |
Frequently asked questions
Is MiMo-V2-Pro better than Sonar?
MiMo-V2-Pro is the stronger model overall, scoring 43.0 to 38.5 on the Noometry Index.
Which is cheaper, MiMo-V2-Pro or Sonar?
MiMo-V2-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; Sonar lists at $1 and $1.
Is MiMo-V2-Pro or Sonar better for coding?
MiMo-V2-Pro scores higher on coding benchmarks: 43.8 versus 35.7 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2-Pro does, with 1.05M tokens against 128K.
How many benchmarks do MiMo-V2-Pro and Sonar share?
0 benchmarks have published results for both models. MiMo-V2-Pro has 23 scored results on Noometry and Sonar has 7.