Model comparison
Kimi K2.5 Instant vs MiMo-V2-Omni
Kimi K2.5 Instant and MiMo-V2-Omni score almost the same on the Noometry Index (42.9 vs 42.9), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Kimi K2.5 Instant scores higher in 4 categories and MiMo-V2-Omni in 5 categories; one gap is clear of the uncertainty.
- Kimi K2.5 Instant has downloadable open weights; the other is API-only.
Side by side
| Kimi K2.5 Instant | MiMo-V2-Omni | |
|---|---|---|
| Provider | Moonshot AI | Xiaomi |
| Noometry Index | 42.9 | 42.9 |
| Released | — | 2026-03-18 |
| Weights | Open | Proprietary |
| Context window | — | 262K |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.14 |
| Output $ / M tokens | — | $0.28 |
| Results tracked | 18 | 18 |
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Category by category
Coding Too close to call
Kimi K2.5 Instant: 42.3 (#95), MiMo-V2-Omni: 42.7 (#87)
| Benchmark | Kimi K2.5 Instant | MiMo-V2-Omni |
|---|---|---|
| LMArena Coding | 1483 | 1467 |
| LMArena WebDev | 1404 | — |
Reasoning Too close to call
Kimi K2.5 Instant: 28.5 (#88), MiMo-V2-Omni: 28.6 (#86)
| Benchmark | Kimi K2.5 Instant | MiMo-V2-Omni |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1445 |
Math Too close to call
Kimi K2.5 Instant: 36.6 (#105), MiMo-V2-Omni: 36.4 (#112)
| Benchmark | Kimi K2.5 Instant | MiMo-V2-Omni |
|---|---|---|
| LMArena Math | 1443 | 1432 |
Knowledge Too close to call
Kimi K2.5 Instant: 39.5 (#121), MiMo-V2-Omni: 39.9 (#114)
| Benchmark | Kimi K2.5 Instant | MiMo-V2-Omni |
|---|---|---|
| LMArena Expert | 1438 | 1449 |
Multimodal Kimi K2.5 Instant leads
Kimi K2.5 Instant: 39.5 (#47), MiMo-V2-Omni: 37.9 (#62)
| Benchmark | Kimi K2.5 Instant | MiMo-V2-Omni |
|---|---|---|
| LMArena Vision | 1254 | 1228 |
Multilingual Too close to call
Kimi K2.5 Instant: 52.2 (#89), MiMo-V2-Omni: 52.0 (#97)
| Benchmark | Kimi K2.5 Instant | MiMo-V2-Omni |
|---|---|---|
| LMArena Non-English | 1406 | 1404 |
| LMArena Chinese | 1450 | 1469 |
| LMArena French | 1403 | 1448 |
| LMArena German | 1413 | 1398 |
| LMArena Korean | 1378 | 1355 |
| LMArena Russian | 1404 | 1412 |
| LMArena Spanish | 1448 | 1432 |
| LMArena Japanese | — | 1318 |
Instruction Following Too close to call
Kimi K2.5 Instant: 75.5 (#61), MiMo-V2-Omni: 75.4 (#62)
| Benchmark | Kimi K2.5 Instant | MiMo-V2-Omni |
|---|---|---|
| LMArena Instruction Following | 1430 | 1428 |
Long Context Too close to call
Kimi K2.5 Instant: 43.8 (#82), MiMo-V2-Omni: 44.1 (#72)
| Benchmark | Kimi K2.5 Instant | MiMo-V2-Omni |
|---|---|---|
| LMArena Longer Query | 1435 | 1442 |
Writing & Preference Too close to call
Kimi K2.5 Instant: 60.8 (#91), MiMo-V2-Omni: 61.6 (#83)
| Benchmark | Kimi K2.5 Instant | MiMo-V2-Omni |
|---|---|---|
| LMArena Text | 1420 | 1424 |
| LMArena Creative Writing | 1379 | 1393 |
| LMArena Multi-Turn | 1427 | 1446 |
Frequently asked questions
Is Kimi K2.5 Instant better than MiMo-V2-Omni?
Kimi K2.5 Instant and MiMo-V2-Omni score almost the same on the Noometry Index (42.9 vs 42.9), so choose on price, context window or the category you care about most.
Is Kimi K2.5 Instant or MiMo-V2-Omni better for coding?
They score almost the same on coding (42.3 vs 42.7); test both on your own repository before choosing.
How many benchmarks do Kimi K2.5 Instant and MiMo-V2-Omni share?
17 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and MiMo-V2-Omni has 18.