Model comparison
MiMo-V2-Omni vs Sonar
MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 38.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
PerplexitySummary
- The widest gap is in writing & preference, where MiMo-V2-Omni leads 61.4 to 52.6.
- MiMo-V2-Omni is cheaper at $0.14 / $0.28 per million input/output tokens, against $1 / $1 for Sonar.
- MiMo-V2-Omni accepts more context: 262K tokens versus 128K.
Side by side
| MiMo-V2-Omni | Sonar | |
|---|---|---|
| Provider | Xiaomi | Perplexity |
| Noometry Index | 43.6 | 38.5 |
| Released | 2026-03-18 | 2024-01-01 |
| Weights | Proprietary | Proprietary |
| Context window | 262K | 128K |
| Max output | 131K | 4K |
| Input $ / M tokens | $0.14 | $1 |
| Output $ / M tokens | $0.28 | $1 |
| Results tracked | 18 | 7 |
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Category by category
Coding MiMo-V2-Omni leads
MiMo-V2-Omni: 43.3 (#89), Sonar: 35.7 (#221)
| Benchmark | MiMo-V2-Omni | Sonar |
|---|---|---|
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1466 | — |
Reasoning MiMo-V2-Omni leads
MiMo-V2-Omni: 29.7 (#88), Sonar: 21.1 (#227)
| Benchmark | MiMo-V2-Omni | Sonar |
|---|---|---|
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1445 | — |
| LiveBench Data Analysis | — | 37.9% |
| LiveBench | — | 46.9% |
Math MiMo-V2-Omni leads
MiMo-V2-Omni: 39.1 (#115), Sonar: 33.7 (#200)
| Benchmark | MiMo-V2-Omni | Sonar |
|---|---|---|
| LiveBench Math | — | 41.6% |
| LMArena Math | 1430 | — |
Knowledge Not comparable
MiMo-V2-Omni: 40.5 (#118), Sonar: —
| Benchmark | MiMo-V2-Omni | Sonar |
|---|---|---|
| LMArena Expert | 1449 | — |
Multimodal Not comparable
MiMo-V2-Omni: 38.6 (#63), Sonar: —
| Benchmark | MiMo-V2-Omni | Sonar |
|---|---|---|
| LMArena Vision | 1228 | — |
Multilingual Not comparable
MiMo-V2-Omni: 51.8 (#102), Sonar: —
| Benchmark | MiMo-V2-Omni | Sonar |
|---|---|---|
| LMArena Non-English | 1404 | — |
| LMArena Chinese | 1465 | — |
| LMArena French | 1447 | — |
| LMArena German | 1399 | — |
| LMArena Japanese | 1317 | — |
| LMArena Korean | 1355 | — |
| LMArena Russian | 1412 | — |
| LMArena Spanish | 1434 | — |
Instruction Following MiMo-V2-Omni leads
MiMo-V2-Omni: 75.2 (#66), Sonar: 71.4 (#150)
| Benchmark | MiMo-V2-Omni | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1428 | — |
Long Context Not comparable
MiMo-V2-Omni: 44.1 (#76), Sonar: —
| Benchmark | MiMo-V2-Omni | Sonar |
|---|---|---|
| LMArena Longer Query | 1442 | — |
Writing & Preference MiMo-V2-Omni leads
MiMo-V2-Omni: 61.4 (#87), Sonar: 52.6 (#167)
| Benchmark | MiMo-V2-Omni | Sonar |
|---|---|---|
| LMArena Text | 1423 | — |
| LMArena Creative Writing | 1392 | — |
| LMArena Multi-Turn | 1445 | — |
| LiveBench Language | — | 44.1% |
Frequently asked questions
Is MiMo-V2-Omni better than Sonar?
MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 38.5 on the Noometry Index.
Which is cheaper, MiMo-V2-Omni or Sonar?
MiMo-V2-Omni is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Sonar lists at $1 and $1.
Is MiMo-V2-Omni or Sonar better for coding?
MiMo-V2-Omni scores higher on coding benchmarks: 43.3 versus 35.7 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2-Omni does, with 262K tokens against 128K.
How many benchmarks do MiMo-V2-Omni and Sonar share?
0 benchmarks have published results for both models. MiMo-V2-Omni has 18 scored results on Noometry and Sonar has 7.