Model comparison
Kimi K2.5 Instant vs Qwen3.6 Flash
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 38.8 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- Kimi K2.5 Instant has downloadable open weights; the other is API-only.
Side by side
| Kimi K2.5 Instant | Qwen3.6 Flash | |
|---|---|---|
| Provider | Moonshot AI | Alibaba (Qwen) |
| Noometry Index | 43.6 | 38.8 |
| Released | — | 2026-04-27 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.19 |
| Output $ / M tokens | — | $1.13 |
| Results tracked | 18 | 13 |
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Category by category
Coding Not comparable
Kimi K2.5 Instant: 42.6 (#97), Qwen3.6 Flash: —
| Benchmark | Kimi K2.5 Instant | Qwen3.6 Flash |
|---|---|---|
| LMArena WebDev | 1404 | — |
| LMArena Coding | 1484 | — |
| ALE-Bench | — | 326.4 |
Reasoning Too close to call
Kimi K2.5 Instant: 29.7 (#90), Qwen3.6 Flash: 29.0 (#96)
| Benchmark | Kimi K2.5 Instant | Qwen3.6 Flash |
|---|---|---|
| SimpleBench | — | 35.2% |
| Chess Puzzles | — | 20% |
| LMArena Hard Prompts | 1443 | — |
| Mystery Game Puzzles | — | 18% |
| DTBench | — | 77.1% |
| LMCA | — | 31% |
| Epoch Capabilities Index | — | 143.26 |
Math Too close to call
Kimi K2.5 Instant: 39.4 (#105), Qwen3.6 Flash: 39.0 (#117)
| Benchmark | Kimi K2.5 Instant | Qwen3.6 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 22.5% |
| OTIS Mock AIME 2024-2025 | — | 84.4% |
| LMArena Math | 1442 | — |
| FrontierMath (Feb 2025 set) | — | 10.3% |
| FrontierMath Tier 4 (v1) | — | 0% |
Knowledge Qwen3.6 Flash leads
Kimi K2.5 Instant: 40.2 (#123), Qwen3.6 Flash: 42.1 (#100)
| Benchmark | Kimi K2.5 Instant | Qwen3.6 Flash |
|---|---|---|
| GPQA Diamond | — | 83.3% |
| SimpleQA Verified | — | 15.9% |
| LMArena Expert | 1440 | — |
Multimodal Not comparable
Kimi K2.5 Instant: 40.2 (#50), Qwen3.6 Flash: —
| Benchmark | Kimi K2.5 Instant | Qwen3.6 Flash |
|---|---|---|
| LMArena Vision | 1254 | — |
Multilingual Not comparable
Kimi K2.5 Instant: 52.0 (#94), Qwen3.6 Flash: —
| Benchmark | Kimi K2.5 Instant | Qwen3.6 Flash |
|---|---|---|
| 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), Qwen3.6 Flash: —
| Benchmark | Kimi K2.5 Instant | Qwen3.6 Flash |
|---|---|---|
| LMArena Instruction Following | 1430 | — |
Long Context Not comparable
Kimi K2.5 Instant: 43.9 (#83), Qwen3.6 Flash: —
| Benchmark | Kimi K2.5 Instant | Qwen3.6 Flash |
|---|---|---|
| LMArena Longer Query | 1435 | — |
Writing & Preference Not comparable
Kimi K2.5 Instant: 60.6 (#95), Qwen3.6 Flash: —
| Benchmark | Kimi K2.5 Instant | Qwen3.6 Flash |
|---|---|---|
| LMArena Text | 1420 | — |
| LMArena Creative Writing | 1381 | — |
| LMArena Multi-Turn | 1427 | — |
Frequently asked questions
Is Kimi K2.5 Instant better than Qwen3.6 Flash?
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 38.8 on the Noometry Index.
How many benchmarks do Kimi K2.5 Instant and Qwen3.6 Flash share?
0 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and Qwen3.6 Flash has 13.