DeepSeek V4 Flash vs Gemini 3 Flash Preview (Comparative Analysis)
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Comparative Analysis: DeepSeek V4 Flash vs. Gemini 3 Flash Preview
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Overview
Gemini 3 Flash Preview was released 4 months before DeepSeek V4 Flash.
 DeepSeek V4 Flash |  Gemini 3 Flash Preview | |
|---|---|---|
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 | Not specified tokens | 65.5K tokens |
Release Date When this model first became publicly available | April 24, 2026 2 months ago April 24th, 2026 | December 17, 2025 7 months ago December 17th, 2025 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
DeepSeek V4 Flash | Gemini 3 Flash Preview | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text🖼️Image📁File🎵Audio🎬Video |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: Extra High, HighDefault: High | OptionalEffort: High, Medium, Low, MinimalDefault: Medium |
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 Flash is roughly 0.2x less expensive compared to Gemini 3 Flash Preview for input tokens and roughly 0.06x less expensive for output tokens.
| DeepSeek V4 Flash | Gemini 3 Flash Preview | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.09 per million tokens | $0.50 per million tokens |
Output Token Cost Cost per million output tokens | $0.19 per million tokens | $3.00 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 | $0.02 per million tokens | $0.05 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 | $3.00 per million tokens |
Image Input Cost Additional cost for each image input | Not specified | $0.0000005 per image |
Audio Input Cost Additional cost for audio input | Not specified | $0.000001 per unit |
Audio Cache Cost Cost to reuse cached audio input tokens | Not specified | $0.10 per million tokens |
Benchmarks
Compare relevant benchmarks between DeepSeek V4 Flash and Gemini 3 Flash Preview.
| DeepSeek V4 Flash | Gemini 3 Flash Preview | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 40.3 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 56.2 (Artificial Analysis index; higher is better) | Benchmark not available. |
Agentic Index Ability to complete multi-step agentic tasks | 31.1 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,254 Elo (#34 in 3D (49.9% win rate)) | 1,249 Elo (#35 in 3D (62.7% win rate)) |
At a Glance
Quick overview of what makes DeepSeek V4 Flash and Gemini 3 Flash Preview unique.
DeepSeek V4 Flash 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 $0.09/M input and $0.19/M output tokens. Released April 24th, 2026.Gemini 3 Flash Preview 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. Reasonably priced at $0.50/M input and $3.00/M output tokens. Released December 17th, 2025.Explore More Comparisons
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Compare Gemini 3 Flash Preview 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