Data points: 77
Model compare
The readout for Kimi K2.5 and Qwen3.5 Plus, before the detailed comparison sheet.
Weighted outcome: Kimi K2.5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Kimi K2.5
Kimi K2.5 has the higher weighted result; Model A / B score 73.3 to 26.7.
Evidence depth
77 data points
Includes 6 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with Kimi K2.5
The charts below split 14 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
This report only uses LMSpeed data for Kimi K2.5 and Qwen3.5 Plus: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Kimi K2.5 | Qwen3.5 Plus |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 73.3 pts | 26.7 pts |
| Benchmark category leads | 2 categories | 1 categories |
| Operational advantages | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage | No data |
| Context window | 262.1K tokens | 1M tokens |
| Max output | 262.1K tokens | 65.5K tokens |
| Modalities | Input TextImage Output Text | Input |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | Kimi K2.5 | Qwen3.5 Plus |
|---|---|---|
| Developer | MoonshotAI | Alibaba |
| Released | Jan 2026 | Apr 2026 |
| Parameters | No data | No data |
| Tokenizer | Other | Qwen3 |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | moonshotai/kimi-k2.5 | qwen/qwen3.5-plus-20260420 |
| References | No data | No data |
This report only uses LMSpeed data for Kimi K2.5 and Qwen3.5 Plus: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Kimi K2.5
Kimi K2.5 is stronger in benchmark categories (Coding, Math) and operational dimensions (Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage).
Qwen3.5 Plus
Qwen3.5 Plus leads these benchmark categories: Agents.
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Kimi K2.5
50
Avg. score
Qwen3.5 Plus
46.6
Qwen3.5 Plus leads by 4.2
Kimi K2.5 leads by 3.7
Kimi K2.5
Kimi K2.5
Kimi K2.5 leads by 0.8
Kimi K2.5
Kimi K2.5
Kimi K2.5
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Kimi K2.5
winner56.0
Rank #44/83 · confidence 4 · eval date 2026-02-01
Qwen3.5 Plus
51.0
Rank #55/83 · confidence 1 · eval date 2026-03-04
Kimi K2.5
winner17.5
Rank #23/33 · confidence 2 · eval date 2026-02-01
Qwen3.5 Plus
15.7
Rank #24/33 · confidence 1 · eval date 2026-03-04
Kimi K2.5
winner62.8
Rank #20/56 · confidence 4 · eval date 2026-02-01
Qwen3.5 Plus
39.7
Rank #37/56 · confidence 1 · eval date 2026-03-04
Kimi K2.5
winner27.9
Rank #21/47 · confidence 4 · eval date 2026-02-01
Qwen3.5 Plus
21.0
Rank #28/47 · confidence 1 · eval date 2026-03-04
Kimi K2.5
winner4.2
Rank #22/35 · confidence 4 · eval date 2026-02-01
Qwen3.5 Plus
2.1
Rank #32/35 · confidence 1 · eval date 2026-03-04
Kimi K2.5
8.7
Rank #18/19 · confidence 4 · eval date 2026-02-01
Qwen3.5 Plus
winner18.5
Rank #13/19 · confidence 1 · eval date 2026-03-04
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Kimi K2.5 | Qwen3.5 Plus |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Kimi K2.5 | Qwen3.5 Plus |
|---|---|---|
155 tests | Kimi K2.5 speed / latency 45 tok/s / 2058ms input / output No data | Qwen3.5 Plus speed / latency 44 tok/s / 19579ms input / output No data |
20 tests | Kimi K2.5 speed / latency 65 tok/s / 9952ms input / output No data | Qwen3.5 Plus speed / latency 41 tok/s / 20086ms input / output No data |
10 tests | Kimi K2.5 speed / latency 14 tok/s / 32712ms input / output No data | Qwen3.5 Plus speed / latency 54 tok/s / 4374ms input / output No data |
5 tests | Kimi K2.5 speed / latency 38 tok/s / 974ms input / output No data | Qwen3.5 Plus speed / latency N/A / N/A input / output No data |
5 tests | Kimi K2.5 speed / latency N/A / N/A input / output No data | Qwen3.5 Plus speed / latency 65 tok/s / 15422ms input / output No data |
Kimi K2.5 kimi-k2.5 speed / latency No data input / output $0/M/$0/M | Qwen3.5 Plus qwen3.5-plus speed / latency No data input / output $0.014/M | |
Kimi K2.5 kimi-k2.5 speed / latency No data input / output $0.0008/request | Qwen3.5 Plus qwen3.5-plus speed / latency No data input / output $0.044/M | |
Kimi K2.5 kimi-k2.5-free speed / latency No data input / output $0.010/request | Qwen3.5 Plus qwen3.5-plus-nx speed / latency No data input / output $0.010/request |
Weighted outcome: Kimi K2.5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
