DeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of [DeepSeek V4 Flash 0731](https://openrouter.ai/deepseek/deepseek-v4-flash-0731) from DeepSeek, adding image understanding while matching the base model on text capabi…
Model details →DeepSeek: DeepSeek V4 Flash Vision Exp vs Qwen: Qwen3.5 Plus 2026-02-15
DeepSeek: DeepSeek V4 Flash Vision Exp wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
The Qwen3.5 native vision-language series Plus models are built on a hybrid architecture that integrates linear attention mechanisms with sparse mixture-of-experts models, achieving higher inference efficiency. In a variety of...
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V4 Flash Vision Exp | Qwen: Qwen3.5 Plus 2026-02-15 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 1M | 🏆 DeepSeek: DeepSeek V4 Flash Vision Exp |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.22 | $0.26 | 🏆 DeepSeek: DeepSeek V4 Flash Vision Exp |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.65 | $1.56 | 🏆 DeepSeek: DeepSeek V4 Flash Vision Exp |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is DeepSeek: DeepSeek V4 Flash Vision Exp better than Qwen: Qwen3.5 Plus 2026-02-15?
DeepSeek: DeepSeek V4 Flash Vision Exp wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between DeepSeek: DeepSeek V4 Flash Vision Exp and Qwen: Qwen3.5 Plus 2026-02-15?
Input: $0.22 vs $0.26 per 1M tokens. Output: $0.65 vs $1.56 per 1M tokens.
What context windows do DeepSeek: DeepSeek V4 Flash Vision Exp and Qwen: Qwen3.5 Plus 2026-02-15 support?
DeepSeek: DeepSeek V4 Flash Vision Exp supports up to 1.0M tokens. Qwen: Qwen3.5 Plus 2026-02-15 supports up to 1M tokens.
Do both DeepSeek: DeepSeek V4 Flash Vision Exp and Qwen: Qwen3.5 Plus 2026-02-15 support tool calling?
DeepSeek: DeepSeek V4 Flash Vision Exp: yes. Qwen: Qwen3.5 Plus 2026-02-15: yes.