GPT-5.4 Mini vs o3 Pro (Comparative Analysis)
Loading comparison form...
Comparative Analysis: GPT-5.4 Mini vs. o3 Pro
Want to try out these models side by side?Try Magica for free
Overview
o3 Pro was released 9 months before GPT-5.4 Mini.
 GPT-5.4 Mini | o3 Pro | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 400K tokens | 200K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 128K tokens | 100K tokens |
Release Date When this model first became publicly available | March 17, 2026 4 months ago March 17th, 2026 | June 10, 2025 1 year ago June 10th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | August 31, 2025 | June 30, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-5.4 Mini | o3 Pro | |
|---|---|---|
Input Types Supported input formats | 📁File🖼️Image📝Text | 📝Text📁File🖼️Image |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: Extra High, High, Medium, Low, NoneDefault: Medium | 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
GPT-5.4 Mini is roughly 0.04x less expensive compared to o3 Pro for input tokens and roughly 0.06x less expensive for output tokens.
| GPT-5.4 Mini | o3 Pro | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.75 per million tokens | $20.00 per million tokens |
Output Token Cost Cost per million output tokens | $4.50 per million tokens | $80.00 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 | $0.07 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between GPT-5.4 Mini and o3 Pro.
| GPT-5.4 Mini | o3 Pro | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 40 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 56.1 (Artificial Analysis index; higher is better) | Benchmark not available. |
Agentic Index Ability to complete multi-step agentic tasks | 30.2 (Artificial Analysis index; higher is better) | Benchmark not available. |
At a Glance
Quick overview of what makes GPT-5.4 Mini and o3 Pro unique.
GPT-5.4 Mini 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 400K token context window. Reasonably priced at $0.75/M input and $4.50/M output tokens. Includes built-in content moderation for safer outputs. Released March 17th, 2026.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.Explore More Comparisons
Compare your models with top performers across different categories
Compare GPT-5.4 Mini 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
Compare o3 Pro 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