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 | 44/100 | 81/100 | 50/100 | 50/100 — Tool calling supported; no comparable benchmark |
| DeepSeek V4.1 Flash | 100/100 | 100/100 | 67/100 | 81/100 | 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
$0.15/ 1M
Output
$2.40/ 1M
$0.60/ 1M
Cached input
$0.04/ 1M
$0.003/ 1M
MomentumLast 2 mo
Unique users
4.1K
3.6M
Completed sessions
18,850
93,590,974
Token share
0%
34.5%
Tokens
2.5B-90%
399T+100%
AUG 31OCT 25
AUG 31OCT 25
RetentionWeek 1
Returning users
Pending
68.9%318K user-weeks
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