Model comparison
Kimi K2.5 Instant vs Qwen3.5-9B
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 33.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- The widest gap is in coding, where Kimi K2.5 Instant leads 42.6 to 35.9.
Side by side
| Kimi K2.5 Instant | Qwen3.5-9B | |
|---|---|---|
| Provider | Moonshot AI | Alibaba (Qwen) |
| Noometry Index | 43.6 | 33.8 |
| Released | — | 2026-02-23 |
| Weights | Open | Open |
| Context window | — | 262K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.15 |
| Results tracked | 18 | 10 |
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Category by category
Coding Kimi K2.5 Instant leads
Kimi K2.5 Instant: 42.6 (#97), Qwen3.5-9B: 35.9 (#217)
| Benchmark | Kimi K2.5 Instant | Qwen3.5-9B |
|---|---|---|
| LMArena WebDev | 1404 | — |
| SciCode | — | 27.5% |
| LMArena Coding | 1484 | — |
Agentic & Tool Use Not comparable
Kimi K2.5 Instant: —, Qwen3.5-9B: 14.5 (#151)
| Benchmark | Kimi K2.5 Instant | Qwen3.5-9B |
|---|---|---|
| Terminal-Bench | — | 9.2% |
Reasoning Kimi K2.5 Instant leads
Kimi K2.5 Instant: 29.7 (#90), Qwen3.5-9B: 23.1 (#182)
| Benchmark | Kimi K2.5 Instant | Qwen3.5-9B |
|---|---|---|
| CritPt | — | 0.3% |
| Chess Puzzles | — | 12% |
| LMArena Hard Prompts | 1443 | — |
| DTBench | — | 71.2% |
| LMCA | — | 24.5% |
| Epoch Capabilities Index | — | 139.46 |
Math Kimi K2.5 Instant leads
Kimi K2.5 Instant: 39.4 (#105), Qwen3.5-9B: 34.8 (#192)
| Benchmark | Kimi K2.5 Instant | Qwen3.5-9B |
|---|---|---|
| MathArena Final-Answer Competitions | — | 48.5% |
| OTIS Mock AIME 2024-2025 | — | 61.7% |
| LMArena Math | 1442 | — |
Knowledge Qwen3.5-9B leads
Kimi K2.5 Instant: 40.2 (#123), Qwen3.5-9B: 46.0 (#84)
| Benchmark | Kimi K2.5 Instant | Qwen3.5-9B |
|---|---|---|
| GPQA Diamond | — | 79% |
| LMArena Expert | 1440 | — |
Multimodal Not comparable
Kimi K2.5 Instant: 40.2 (#50), Qwen3.5-9B: —
| Benchmark | Kimi K2.5 Instant | Qwen3.5-9B |
|---|---|---|
| LMArena Vision | 1254 | — |
Multilingual Not comparable
Kimi K2.5 Instant: 52.0 (#94), Qwen3.5-9B: —
| Benchmark | Kimi K2.5 Instant | Qwen3.5-9B |
|---|---|---|
| LMArena Non-English | 1406 | — |
| LMArena Chinese | 1449 | — |
| LMArena French | 1403 | — |
| LMArena German | 1413 | — |
| LMArena Korean | 1378 | — |
| LMArena Russian | 1404 | — |
| LMArena Spanish | 1447 | — |
Instruction Following Not comparable
Kimi K2.5 Instant: 75.3 (#65), Qwen3.5-9B: —
| Benchmark | Kimi K2.5 Instant | Qwen3.5-9B |
|---|---|---|
| LMArena Instruction Following | 1430 | — |
Long Context Not comparable
Kimi K2.5 Instant: 43.9 (#83), Qwen3.5-9B: —
| Benchmark | Kimi K2.5 Instant | Qwen3.5-9B |
|---|---|---|
| LMArena Longer Query | 1435 | — |
Writing & Preference Not comparable
Kimi K2.5 Instant: 60.6 (#95), Qwen3.5-9B: —
| Benchmark | Kimi K2.5 Instant | Qwen3.5-9B |
|---|---|---|
| LMArena Text | 1420 | — |
| LMArena Creative Writing | 1381 | — |
| LMArena Multi-Turn | 1427 | — |
Frequently asked questions
Is Kimi K2.5 Instant better than Qwen3.5-9B?
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 33.8 on the Noometry Index.
Is Kimi K2.5 Instant or Qwen3.5-9B better for coding?
Kimi K2.5 Instant scores higher on coding benchmarks: 42.6 versus 35.9 in the Noometry coding category.
How many benchmarks do Kimi K2.5 Instant and Qwen3.5-9B share?
0 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and Qwen3.5-9B has 10.