o3 Pro vs o4 Mini Deep Research (Comparative Analysis)
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Comparative Analysis: o3 Pro vs. o4 Mini Deep Research
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Overview
o3 Pro was released 4 months before o4 Mini Deep Research.
 o3 Pro | o4 Mini Deep Research | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 200K tokens | 200K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 100K tokens | 100K tokens |
Release Date When this model first became publicly available | June 10, 2025 1 year ago June 10th, 2025 | October 10, 2025 9 months ago October 10th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | June 30, 2024 | Not reported |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
o3 Pro | o4 Mini Deep Research | |
|---|---|---|
Input Types Supported input formats | 📝Text📁File🖼️Image | 📁File🖼️Image📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Optional | Optional |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation |
Pricing
o3 Pro is roughly 10.0x more expensive compared to o4 Mini Deep Research for input tokens and roughly 10.0x more expensive for output tokens.
| o3 Pro | o4 Mini Deep Research | |
|---|---|---|
Input Token Cost Cost per million input tokens | $20.00 per million tokens | $2.00 per million tokens |
Output Token Cost Cost per million output tokens | $80.00 per million tokens | $8.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.01 per search | $0.01 per search |
Cache Read Cost Cost to reuse cached input tokens | Not specified | $0.50 per million tokens |
At a Glance
Quick overview of what makes o3 Pro and o4 Mini Deep Research unique.
o3 Pro by OpenAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K token context window. Premium pricing at $20.00/M input and $80.00/M output tokens. Includes built-in content moderation for safer outputs. Released June 10th, 2025.o4 Mini Deep Research by OpenAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K token context window. Reasonably priced at $2.00/M input and $8.00/M output tokens. Includes built-in content moderation for safer outputs. Released October 10th, 2025.Explore More Comparisons
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Compare o4 Mini Deep Research 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