Model comparison
Kimi K2.5 vs MiMo-V2.6-Pro
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 48.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Kimi K2.5 scores higher in 3 categories and MiMo-V2.6-Pro in 7 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.6-Pro leads 43.1 to 31.2.
- The biggest single-benchmark swing is CritPt: 3.1% for Kimi K2.5 and 26.6% for MiMo-V2.6-Pro.
- MiMo-V2.6-Pro is cheaper at $0.43 / $0.87 per million input/output tokens, against $0.45 / $2.25 for Kimi K2.5.
- MiMo-V2.6-Pro accepts more context: 1.05M tokens versus 262K.
Side by side
| Kimi K2.5 | MiMo-V2.6-Pro | |
|---|---|---|
| Provider | Moonshot AI | Xiaomi |
| Noometry Index | 48.1 | 50.3 |
| Released | 2026-01-27 | 2026-09-21 |
| Weights | Open | Open |
| Context window | 262K | 1.05M |
| Max output | 262K | 131K |
| Input $ / M tokens | $0.45 | $0.43 |
| Output $ / M tokens | $2.25 | $0.87 |
| Results tracked | 51 | 19 |
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Category by category
Coding MiMo-V2.6-Pro leads
Kimi K2.5: 48.8 (#53), MiMo-V2.6-Pro: 55.5 (#23)
| Benchmark | Kimi K2.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena WebDev | 1437 | 1629 |
| SciCode | 49% | 60.9% |
| LMArena Coding | 1474 | 1534 |
| ALE-Bench | 821.65 | 1,158 |
| SWE-bench Verified | 73.8% | — |
| SWE-bench Verified (bash only) | 70.8% | — |
| SWE-bench Multilingual | 67.3% | — |
| WeirdML | 45.6% | — |
Agentic & Tool Use MiMo-V2.6-Pro leads
Kimi K2.5: 34.2 (#48), MiMo-V2.6-Pro: 37.5 (#35)
| Benchmark | Kimi K2.5 | MiMo-V2.6-Pro |
|---|---|---|
| Terminal-Bench | 43.2% | — |
| APEX-Agents | — | 59.5% |
| OSWorld | 63.3% | — |
| Vending-Bench 2 | 1,198 | — |
Reasoning MiMo-V2.6-Pro leads
Kimi K2.5: 31.2 (#80), MiMo-V2.6-Pro: 43.1 (#50)
| Benchmark | Kimi K2.5 | MiMo-V2.6-Pro |
|---|---|---|
| CritPt | 3.1% | 26.6% |
| LMArena Hard Prompts | 1453 | 1512 |
| ARC-AGI-2 | 11.8% | — |
| SimpleBench | 46.8% | — |
| Kagi LLM Benchmark | 78.5% | — |
| NYT Connections (extended) | 69.9% | — |
| ARC-AGI-1 | 65.3% | — |
| Chess Puzzles | 12% | — |
| EnigmaEval | 3.4% | — |
| Thematic Generalization | 69.4% | — |
| Epoch Capabilities Index | 148.03 | — |
Math MiMo-V2.6-Pro leads
Kimi K2.5: 51.8 (#53), MiMo-V2.6-Pro: 54.5 (#45)
| Benchmark | Kimi K2.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Math | 1470 | 1494 |
| MathArena Final-Answer Competitions | 62.3% | — |
| OTIS Mock AIME 2024-2025 | 92.2% | — |
| ProofBench | — | 70% |
| FrontierMath (Feb 2025 set) | 27.9% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Kimi K2.5 leads
Kimi K2.5: 53.6 (#56), MiMo-V2.6-Pro: 43.5 (#92)
| Benchmark | Kimi K2.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Expert | 1466 | 1543 |
| GPQA Diamond | 87.6% | — |
| Humanity's Last Exam | 24.4% | — |
| SimpleQA Verified | 34.3% | — |
| Vectara Hallucination Rate | 14.2% | — |
Multimodal Too close to call
Kimi K2.5: 41.1 (#39), MiMo-V2.6-Pro: 40.8 (#43)
| Benchmark | Kimi K2.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | 1269 | 1264 |
| LMArena Document | 1430 | — |
Multilingual MiMo-V2.6-Pro leads
Kimi K2.5: 53.9 (#53), MiMo-V2.6-Pro: 56.9 (#14)
| Benchmark | Kimi K2.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | 1433 | 1474 |
| LMArena Chinese | 1495 | 1529 |
| LMArena Russian | 1435 | 1480 |
| LMArena French | 1454 | — |
| LMArena German | 1441 | — |
| LMArena Japanese | 1421 | — |
| LMArena Korean | 1410 | — |
| LMArena Spanish | 1450 | — |
Instruction Following MiMo-V2.6-Pro leads
Kimi K2.5: 75.3 (#64), MiMo-V2.6-Pro: 78.2 (#12)
| Benchmark | Kimi K2.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | 1431 | 1493 |
Long Context Kimi K2.5 leads
Kimi K2.5: 52.1 (#7), MiMo-V2.6-Pro: 46.0 (#27)
| Benchmark | Kimi K2.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | 1445 | 1501 |
| Fiction.LiveBench | 86.1% | — |
| CL-bench | 19.3% | — |
| CL-bench Life | 13.2% | — |
Writing & Preference MiMo-V2.6-Pro leads
Kimi K2.5: 65.1 (#53), MiMo-V2.6-Pro: 66.8 (#33)
| Benchmark | Kimi K2.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | 1445 | 1492 |
| LMArena Creative Writing | 1423 | 1468 |
| LMArena Multi-Turn | 1444 | 1464 |
| EQ-Bench Creative Writing | 1579 | — |
Frequently asked questions
Is Kimi K2.5 better than MiMo-V2.6-Pro?
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 48.1 on the Noometry Index.
Which is cheaper, Kimi K2.5 or MiMo-V2.6-Pro?
MiMo-V2.6-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; Kimi K2.5 lists at $0.45 and $2.25.
Is Kimi K2.5 or MiMo-V2.6-Pro better for coding?
MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 48.8 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.6-Pro does, with 1.05M tokens against 262K.
How many benchmarks do Kimi K2.5 and MiMo-V2.6-Pro share?
17 benchmarks have published results for both models. Kimi K2.5 has 51 scored results on Noometry and MiMo-V2.6-Pro has 19.