R1 0528 vs Gemini 3 Flash Preview (Comparative Analysis)
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Comparative Analysis: R1 0528 vs. Gemini 3 Flash Preview
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Overview
R1 0528 was released 6 months before Gemini 3 Flash Preview.
 R1 0528 |  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 | 163.8K tokens | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 32.8K tokens | 65.5K tokens |
Release Date When this model first became publicly available | May 28, 2025 1 year ago May 28th, 2025 | December 17, 2025 7 months ago December 17th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | March 31, 2025 | Not reported |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
R1 0528 | Gemini 3 Flash Preview | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text🖼️Image📁File🎵Audio🎬Video |
Reasoning Controls Defaults and configurable reasoning effort | Always enabled | 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
R1 0528 is roughly 1.0x less expensive compared to Gemini 3 Flash Preview for input tokens and roughly 0.7x less expensive for output tokens.
| R1 0528 | Gemini 3 Flash Preview | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.50 per million tokens | $0.50 per million tokens |
Output Token Cost Cost per million output tokens | $2.15 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 | $0.35 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 R1 0528 and Gemini 3 Flash Preview.
| R1 0528 | Gemini 3 Flash Preview | |
|---|---|---|
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,212 Elo (#41 in Data Viz (60.7% win rate)) | 1,250 Elo (#35 in 3D (62.7% win rate)) |
At a Glance
Quick overview of what makes R1 0528 and Gemini 3 Flash Preview unique.
R1 0528 by DeepSeek can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 163.8K token context window. Reasonably priced at $0.50/M input and $2.15/M output tokens. Released May 28th, 2025.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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