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: Gemini 3.1 Flash Lite
DeepSeek: DeepSeek V4 Flash Vision Exp and Google: Gemini 3.1 Flash Lite are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Gemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads. It supports text, image, video, audio, and PDF inputs, and is designed for lightweight agentic...
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V4 Flash Vision Exp | Google: Gemini 3.1 Flash Lite | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 1.0M | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.44 | $0.25 | 🏆 Google: Gemini 3.1 Flash Lite |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.32 | $1.50 | 🏆 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 Google: Gemini 3.1 Flash Lite?
DeepSeek: DeepSeek V4 Flash Vision Exp and Google: Gemini 3.1 Flash Lite are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between DeepSeek: DeepSeek V4 Flash Vision Exp and Google: Gemini 3.1 Flash Lite?
Input: $0.44 vs $0.25 per 1M tokens. Output: $1.32 vs $1.50 per 1M tokens.
What context windows do DeepSeek: DeepSeek V4 Flash Vision Exp and Google: Gemini 3.1 Flash Lite support?
DeepSeek: DeepSeek V4 Flash Vision Exp supports up to 1.0M tokens. Google: Gemini 3.1 Flash Lite supports up to 1.0M tokens.
Do both DeepSeek: DeepSeek V4 Flash Vision Exp and Google: Gemini 3.1 Flash Lite support tool calling?
DeepSeek: DeepSeek V4 Flash Vision Exp: yes. Google: Gemini 3.1 Flash Lite: yes.