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
21K
1.2M
Completed sessions
20,171
21,096,216
Token share
0%
15.5%
Tokens
14B-35%
140T+100%
AUG 8OCT 2
AUG 8OCT 2
RetentionWeek 1
Returning users
67.1%237 user-weeks
58.4%102K user-weeks
Related comparisons. Other model pairs to check.
Nearby alternativeQwen3.5 Plus vs Jamba MiniQwen3.5 Plus·Jamba MiniNearby alternativeDeepSeek V4.1 Flash vs Jamba MiniDeepSeek V4.1 Flash·Jamba MiniRelated comparisonQwen3.5 Plus vs Jamba LargeQwen3.5 Plus·Jamba LargeRelated comparisonDeepSeek V4.1 Flash vs Jamba LargeDeepSeek V4.1 Flash·Jamba Large