DeepSeek V4 Pro vs Gemini 3.1 Flash Lite (Comparative Analysis)
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Comparative Analysis: DeepSeek V4 Pro vs. Gemini 3.1 Flash Lite
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Overview
DeepSeek V4 Pro was released 13 days before Gemini 3.1 Flash Lite.
 DeepSeek V4 Pro |  Gemini 3.1 Flash Lite | |
|---|---|---|
Model Provider The organization behind this AI's development | DeepSeek | Google |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 384K tokens | 65.5K tokens |
Release Date When this model first became publicly available | April 24, 2026 3 months ago April 24th, 2026 | May 7, 2026 2 months ago May 7th, 2026 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
DeepSeek V4 Pro | Gemini 3.1 Flash Lite | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text🖼️Image🎬Video📁File🎵Audio |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: Extra High, HighDefault: High | Enabled by defaultEffort: High, Medium, Low, MinimalDefault: Minimal |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | DeepSeek | Gemini |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
Pricing
DeepSeek V4 Pro is roughly 1.7x more expensive compared to Gemini 3.1 Flash Lite for input tokens and roughly 0.6x less expensive for output tokens.
| DeepSeek V4 Pro | Gemini 3.1 Flash Lite | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.43 per million tokens | $0.25 per million tokens |
Output Token Cost Cost per million output tokens | $0.87 per million tokens | $1.50 per million tokens |
Web Search Cost Additional cost for each web search operation | Not specified | $0.014 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.0036 per million tokens | $0.02 per million tokens |
Cache Write Cost Cost to write input tokens to the cache | Not specified | $0.08 per million tokens |
Reasoning Token Cost Cost for internal reasoning tokens | Not specified | $1.50 per million tokens |
Image Input Cost Additional cost for each image input | Not specified | $0.00000025 per image |
Audio Input Cost Additional cost for audio input | Not specified | $0.0000005 per unit |
Audio Cache Cost Cost to reuse cached audio input tokens | Not specified | $0.05 per million tokens |
Benchmarks
Compare relevant benchmarks between DeepSeek V4 Pro and Gemini 3.1 Flash Lite.
| DeepSeek V4 Pro | Gemini 3.1 Flash Lite | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 44.3 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 59.4 (Artificial Analysis index; higher is better) | Benchmark not available. |
Agentic Index Ability to complete multi-step agentic tasks | 36.4 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,310 Elo (#11 in 3D (58.8% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes DeepSeek V4 Pro and Gemini 3.1 Flash Lite unique.
DeepSeek V4 Pro by DeepSeek can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.43/M input and $0.87/M output tokens. Released April 24th, 2026.Gemini 3.1 Flash Lite by Google understands both text and images, handles audio, analyzes video, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.25/M input and $1.50/M output tokens. Released May 7th, 2026.Explore More Comparisons
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Compare Gemini 3.1 Flash Lite with:
🚀Programming
Best models for coding and development
🎨Creative & Roleplay
Models optimized for creative writing
📢Marketing
Content creation and marketing tasks
💻Technology
Technical analysis and explanations
🔬Science
Scientific research and analysis
🌐Translation
Multilingual translation tasks