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 Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
DeepSeek: DeepSeek V4 Flash Vision Exp wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is Google's fastest, most cost-efficient Gemini image model, built for high-velocity developer pipelines and rapid-fire visual exploration. It delivers text-to-image generation...
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V4 Flash Vision Exp | Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 66K | 🏆 DeepSeek: DeepSeek V4 Flash Vision Exp |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.22 | $0.25 | 🏆 DeepSeek: DeepSeek V4 Flash Vision Exp |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.65 | $1.50 | 🏆 DeepSeek: DeepSeek V4 Flash Vision Exp |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 DeepSeek: DeepSeek V4 Flash Vision Exp |
| 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 Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?
DeepSeek: DeepSeek V4 Flash Vision Exp wins on 4 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 Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?
Input: $0.22 vs $0.25 per 1M tokens. Output: $0.65 vs $1.50 per 1M tokens.
What context windows do DeepSeek: DeepSeek V4 Flash Vision Exp and Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) support?
DeepSeek: DeepSeek V4 Flash Vision Exp supports up to 1.0M tokens. Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) supports up to 66K tokens.
Do both DeepSeek: DeepSeek V4 Flash Vision Exp and Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) support tool calling?
DeepSeek: DeepSeek V4 Flash Vision Exp: yes. Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image): not advertised.