Data points: 63
The readout for Qwen3.5 Flash and Qwen3.5 Plus, before the detailed comparison sheet.
Decision read
Qwen3.5 Plus
Qwen3.5 Plus currently has the stronger profile, with verified wins split 2 to 4.
Evidence depth
63 data points
Includes 0 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with Qwen3.5 Plus
The charts below split 9 high-signal samples across speed, scores, and audit health.
Model compare Qwen3.5 Flash vs Qwen3.5 Plusqwen3-5-flash-vs-qwen3-5-plus | Model A Qwen3.5 Flash | Model B Qwen3.5 Plus |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 2 wins | 4 wins |
| Where it leads | Average speed, First-token latency |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Qwen3.5 Flash | Qwen3.5 Plus |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Qwen3.5 Flash | 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 | Qwen3.5 Flash | Qwen3.5 Plus |
|---|---|---|
45 tests | Qwen3.5 Flash speed / latency 115 tok/s / 8566ms input / output No data |
This report only uses LMSpeed data for Qwen3.5 Flash and Qwen3.5 Plus: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Qwen3.5 Flash | Qwen3.5 Plus |
|---|---|---|
| When to choose each model | Qwen3.5 Flash Qwen3.5 Flash is stronger when you prioritize Average speed, First-token latency. | Qwen3.5 Plus Qwen3.5 Plus is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. |
TL;DR: Qwen3.5 Plus leads across 63 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Qwen3.5 Flash vs Qwen3.5 Plus into nearby model comparisons with enough verified LMSpeed data.
| Cheapest input price, Free providers, Provider coverage, Recent tests |
| Model metadata | Qwen3.5 Flash exposes 1M tokens; notable signals: Text input, Image input, Text output, Tool calling. | Qwen3.5 Plus exposes 1M tokens; notable signals: Text input, Image input, Text output, Tool calling. |
|---|---|---|
| Developer | No data | Alibaba |
| Context window | 1M tokens | 1M tokens |
| Max output | 65.5K tokens | 65.5K tokens |
| Released | Feb 2026 | Apr 2026 |
| Modalities | Input TextImagevideo Output Text | Input TextImagevideo Output Text |
| Features | Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Qwen3 | Qwen3 |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | qwen/qwen3.5-flash-02-23 | qwen/qwen3.5-plus-20260420 |
| References | No data | No data |
Qwen3.5 Plus
speed / latency
44 tok/s / 19579ms
input / output
No data
AI Claw API5 tests | Qwen3.5 Flash speed / latency 136 tok/s / 3385ms input / output No data | Qwen3.5 Plus speed / latency N/A / N/A input / output No data |
|---|
小水管 API5 tests | Qwen3.5 Flash qwen3.5-flash speed / latency N/A / N/A input / output $0/M / $0/M | Qwen3.5 Plus qwen3.5-plus speed / latency 54 tok/s / 4374ms input / output $0/M / $0/M |
|---|
42公益站0 tests | Qwen3.5 Flash speed / latency N/A / N/A input / output No data | Qwen3.5 Plus speed / latency N/A / N/A input / output No data |
|---|
6i2 API0 tests | Qwen3.5 Flash speed / latency N/A / N/A input / output No data | Qwen3.5 Plus speed / latency N/A / N/A input / output No data |
|---|
Qwen3.5 Flash qwen3.5-flash speed / latency No data input / output $0/M / $0/M | Qwen3.5 Plus qwen3.5-plus speed / latency No data input / output $0/M / $0/M |
Qwen3.5 Flash qwen3.5-flash-nx speed / latency No data input / output $0.010/M / $0.010/M | Qwen3.5 Plus qwen3.5-plus-nx speed / latency No data input / output $0.010/M / $0.010/M |
Qwen3.5 Flash qwen3.5-flash speed / latency No data input / output $0.012/M / $0.118/M | Qwen3.5 Plus qwen3.5-plus speed / latency No data input / output $0.014/M / $0.082/M |
Qwen3.5 Flash qwen3.5-flash speed / latency No data input / output $0.024/M / $0.236/M | Qwen3.5 Plus qwen3.5-plus speed / latency No data input / output $0.078/M / $0.471/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
