Compare AI models: Qwen3.5 Plus vs DeepSeek V4.1 Flash
- Qwen3.5 PlusAlibabaHollow points use fallbacks · hover for details
- DeepSeek V4.1 FlashDeepSeek
ReasoningCodingCost efficiencyContext windowMultimodalTool use
| Model | Reasoning | Coding | Cost efficiency | Context window | Multimodal | Tool use |
|---|---|---|---|---|---|---|
| Qwen3.5 Plus | 50/100 — Reasoning supported; no comparable benchmark | 50/100 — No data; neutral placeholder | 49/100 | 80/100 | 33/100 | 50/100 — Tool calling supported; no comparable benchmark |
| DeepSeek V4.1 Flash | 100/100 | 100/100 | 60/100 | 80/100 | 33/100 | 92/100 |
Overview
Author
Context length
1M
1M
Reasoning
True
True
Input modalities
Text, Image, Video
Text, Image
Output modalities
Text
Text
Providers
Pricing
Input
$0.40/ 1M
$0.30/ 1M
Output
$2.40/ 1M
$1.20/ 1M
Cached input
$0.04/ 1M
$0.006/ 1M
MomentumLast 2 mo
Unique users
19K
1.4M
Completed sessions
20,103
25,251,658
Token share
0%
16.8%
Tokens
13B-43%
160T+100%
AUG 12OCT 6
AUG 12OCT 6
RetentionWeek 1
Returning users
66.8%205 user-weeks
57.9%188K user-weeks
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