Model comparison
Kimi K2.5 vs Kimi K2 Thinking Turbo
Kimi K2.5 is the stronger model overall, scoring 48.1 to 45.8 on the Noometry Index.
Last verified . 21 shared benchmarks.
Summary
- They share 21 benchmarks with published results for both. Kimi K2.5 scores higher in 7 categories and Kimi K2 Thinking Turbo in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where Kimi K2.5 leads 48.8 to 38.4.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 92.2% for Kimi K2.5 and 83.1% for Kimi K2 Thinking Turbo.
Side by side
| Kimi K2.5 | Kimi K2 Thinking Turbo | |
|---|---|---|
| Provider | Moonshot AI | Moonshot AI |
| Noometry Index | 48.1 | 45.8 |
| Released | 2026-01-27 | 2025-11-06 |
| Weights | Open | Open |
| Context window | 262K | — |
| Max output | 262K | — |
| Input $ / M tokens | $0.45 | — |
| Output $ / M tokens | $2.25 | — |
| Results tracked | 51 | 21 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Kimi K2.5 leads
Kimi K2.5: 48.8 (#53), Kimi K2 Thinking Turbo: 38.4 (#178)
| Benchmark | Kimi K2.5 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena WebDev | 1437 | 1322 |
| LMArena Coding | 1474 | 1454 |
| SWE-bench Verified | 73.8% | — |
| SWE-bench Verified (bash only) | 70.8% | — |
| SWE-bench Multilingual | 67.3% | — |
| SciCode | 49% | — |
| WeirdML | 45.6% | — |
| ALE-Bench | 821.65 | — |
Agentic & Tool Use Not comparable
Kimi K2.5: 34.2 (#48), Kimi K2 Thinking Turbo: —
| Benchmark | Kimi K2.5 | Kimi K2 Thinking Turbo |
|---|---|---|
| Terminal-Bench | 43.2% | — |
| OSWorld | 63.3% | — |
| Vending-Bench 2 | 1,198 | — |
Reasoning Kimi K2 Thinking Turbo leads
Kimi K2.5: 31.2 (#80), Kimi K2 Thinking Turbo: 32.5 (#75)
| Benchmark | Kimi K2.5 | Kimi K2 Thinking Turbo |
|---|---|---|
| Chess Puzzles | 12% | 20% |
| LMArena Hard Prompts | 1453 | 1428 |
| ARC-AGI-2 | 11.8% | — |
| SimpleBench | 46.8% | — |
| Kagi LLM Benchmark | 78.5% | — |
| NYT Connections (extended) | 69.9% | — |
| ARC-AGI-1 | 65.3% | — |
| CritPt | 3.1% | — |
| EnigmaEval | 3.4% | — |
| Thematic Generalization | 69.4% | — |
| Epoch Capabilities Index | 148.03 | — |
Math Kimi K2.5 leads
Kimi K2.5: 51.8 (#53), Kimi K2 Thinking Turbo: 47.4 (#68)
| Benchmark | Kimi K2.5 | Kimi K2 Thinking Turbo |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 92.2% | 83.1% |
| LMArena Math | 1470 | 1429 |
| MathArena Final-Answer Competitions | 62.3% | — |
| FrontierMath (Feb 2025 set) | 27.9% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Kimi K2.5 leads
Kimi K2.5: 53.6 (#56), Kimi K2 Thinking Turbo: 50.9 (#69)
| Benchmark | Kimi K2.5 | Kimi K2 Thinking Turbo |
|---|---|---|
| GPQA Diamond | 87.6% | 84.2% |
| LMArena Expert | 1466 | 1439 |
| Humanity's Last Exam | 24.4% | — |
| SimpleQA Verified | 34.3% | — |
| Vectara Hallucination Rate | 14.2% | — |
Multimodal Not comparable
Kimi K2.5: 41.1 (#39), Kimi K2 Thinking Turbo: —
| Benchmark | Kimi K2.5 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Vision | 1269 | — |
| LMArena Document | 1430 | — |
Multilingual Kimi K2.5 leads
Kimi K2.5: 53.9 (#53), Kimi K2 Thinking Turbo: 51.4 (#109)
| Benchmark | Kimi K2.5 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Non-English | 1433 | 1398 |
| LMArena Chinese | 1495 | 1456 |
| LMArena French | 1454 | 1425 |
| LMArena German | 1441 | 1390 |
| LMArena Japanese | 1421 | 1357 |
| LMArena Korean | 1410 | 1330 |
| LMArena Russian | 1435 | 1391 |
| LMArena Spanish | 1450 | 1406 |
Instruction Following Kimi K2.5 leads
Kimi K2.5: 75.3 (#64), Kimi K2 Thinking Turbo: 74.0 (#109)
| Benchmark | Kimi K2.5 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Instruction Following | 1431 | 1403 |
Long Context Kimi K2.5 leads
Kimi K2.5: 52.1 (#7), Kimi K2 Thinking Turbo: 43.2 (#102)
| Benchmark | Kimi K2.5 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Longer Query | 1445 | 1415 |
| Fiction.LiveBench | 86.1% | — |
| CL-bench | 19.3% | — |
| CL-bench Life | 13.2% | — |
Writing & Preference Kimi K2.5 leads
Kimi K2.5: 65.1 (#53), Kimi K2 Thinking Turbo: 60.0 (#104)
| Benchmark | Kimi K2.5 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Text | 1445 | 1415 |
| LMArena Creative Writing | 1423 | 1374 |
| LMArena Multi-Turn | 1444 | 1414 |
| EQ-Bench Creative Writing | 1579 | — |
Frequently asked questions
Is Kimi K2.5 better than Kimi K2 Thinking Turbo?
Kimi K2.5 is the stronger model overall, scoring 48.1 to 45.8 on the Noometry Index.
Is Kimi K2.5 or Kimi K2 Thinking Turbo better for coding?
Kimi K2.5 scores higher on coding benchmarks: 48.8 versus 38.4 in the Noometry coding category.
How many benchmarks do Kimi K2.5 and Kimi K2 Thinking Turbo share?
21 benchmarks have published results for both models. Kimi K2.5 has 51 scored results on Noometry and Kimi K2 Thinking Turbo has 21.