Model comparison
Kimi K2.5 Instant vs MiMo-V2.6-Flash
MiMo-V2.6-Flash is the stronger model overall, scoring 44.4 to 42.9 on the Noometry Index.
Last verified . 13 shared benchmarks.
Summary
- They share 13 benchmarks with published results for both. Kimi K2.5 Instant scores higher in 0 categories and MiMo-V2.6-Flash in 9 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.6-Flash leads 63.9 to 60.8.
Side by side
| Kimi K2.5 Instant | MiMo-V2.6-Flash | |
|---|---|---|
| Provider | Moonshot AI | Xiaomi |
| Noometry Index | 42.9 | 44.4 |
| Released | — | 2026-09-22 |
| Weights | Open | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.14 |
| Output $ / M tokens | — | $0.28 |
| Results tracked | 18 | 13 |
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Category by category
Coding MiMo-V2.6-Flash leads
Kimi K2.5 Instant: 42.3 (#95), MiMo-V2.6-Flash: 44.3 (#68)
| Benchmark | Kimi K2.5 Instant | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Coding | 1483 | 1516 |
| LMArena WebDev | 1404 | — |
Reasoning MiMo-V2.6-Flash leads
Kimi K2.5 Instant: 28.5 (#88), MiMo-V2.6-Flash: 29.6 (#82)
| Benchmark | Kimi K2.5 Instant | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1481 |
Math Too close to call
Kimi K2.5 Instant: 36.6 (#105), MiMo-V2.6-Flash: 37.4 (#97)
| Benchmark | Kimi K2.5 Instant | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Math | 1443 | 1477 |
Knowledge MiMo-V2.6-Flash leads
Kimi K2.5 Instant: 39.5 (#121), MiMo-V2.6-Flash: 42.0 (#91)
| Benchmark | Kimi K2.5 Instant | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Expert | 1438 | 1516 |
Multimodal Too close to call
Kimi K2.5 Instant: 39.5 (#47), MiMo-V2.6-Flash: 40.2 (#39)
| Benchmark | Kimi K2.5 Instant | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | 1254 | 1266 |
Multilingual MiMo-V2.6-Flash leads
Kimi K2.5 Instant: 52.2 (#89), MiMo-V2.6-Flash: 54.6 (#41)
| Benchmark | Kimi K2.5 Instant | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | 1406 | 1439 |
| LMArena Chinese | 1450 | 1501 |
| LMArena Russian | 1404 | 1424 |
| LMArena French | 1403 | — |
| LMArena German | 1413 | — |
| LMArena Korean | 1378 | — |
| LMArena Spanish | 1448 | — |
Instruction Following MiMo-V2.6-Flash leads
Kimi K2.5 Instant: 75.5 (#61), MiMo-V2.6-Flash: 77.0 (#33)
| Benchmark | Kimi K2.5 Instant | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Instruction Following | 1430 | 1463 |
Long Context MiMo-V2.6-Flash leads
Kimi K2.5 Instant: 43.8 (#82), MiMo-V2.6-Flash: 44.8 (#52)
| Benchmark | Kimi K2.5 Instant | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | 1435 | 1465 |
Writing & Preference MiMo-V2.6-Flash leads
Kimi K2.5 Instant: 60.8 (#91), MiMo-V2.6-Flash: 63.9 (#61)
| Benchmark | Kimi K2.5 Instant | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | 1420 | 1459 |
| LMArena Creative Writing | 1379 | 1408 |
| LMArena Multi-Turn | 1427 | 1460 |
Frequently asked questions
Is Kimi K2.5 Instant better than MiMo-V2.6-Flash?
MiMo-V2.6-Flash is the stronger model overall, scoring 44.4 to 42.9 on the Noometry Index.
Is Kimi K2.5 Instant or MiMo-V2.6-Flash better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 44.3 versus 42.3 in the Noometry coding category.
How many benchmarks do Kimi K2.5 Instant and MiMo-V2.6-Flash share?
13 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and MiMo-V2.6-Flash has 13.