GPT-4.1 Mini vs GPT-5.1-Codex-Max (Comparative Analysis)
Loading comparison form...
Comparative Analysis: GPT-4.1 Mini vs. GPT-5.1-Codex-Max
Want to try out these models side by side?Try Magica for free
Overview
GPT-4.1 Mini was released 7 months before GPT-5.1-Codex-Max.
 GPT-4.1 Mini | GPT-5.1-Codex-Max | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 400K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 32.8K tokens | 128K tokens |
Release Date When this model first became publicly available | April 14, 2025 1 year ago April 14th, 2025 | December 4, 2025 7 months ago December 4th, 2025 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-4.1 Mini | GPT-5.1-Codex-Max | |
|---|---|---|
Input Types Supported input formats | 🖼️Image📝Text📁File | 📝Text🖼️Image |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured OutputReasoning Mode✓Content Moderation | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation |
Pricing
GPT-4.1 Mini is roughly 0.3x less expensive compared to GPT-5.1-Codex-Max for input tokens and roughly 0.2x less expensive for output tokens.
| GPT-4.1 Mini | GPT-5.1-Codex-Max | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.40 per million tokens | $1.25 per million tokens |
Output Token Cost Cost per million outut tokens | $1.60 per million tokens | $10.00 per million tokens |
Benchmarks
Compare relevant benchmarks between GPT-4.1 Mini and GPT-5.1-Codex-Max.
| GPT-4.1 Mini | GPT-5.1-Codex-Max | |
|---|---|---|
MMLU Measures knowledge across 57 subjects like law, math, history, and science | Benchmark not available. | Benchmark not available. |
MMMU Measures understanding of combined text and images across various domains | Benchmark not available. | Benchmark not available. |
HellaSwag Measures common sense reasoning by having models complete sentences about everyday situations | Benchmark not available. | Benchmark not available. |
At a Glance
Quick overview of what makes GPT-4.1 Mini and GPT-5.1-Codex-Max unique.
GPT-4.1 Mini by OpenAI understands both text and images, can use external tools and APIs, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.40/M input and $1.60/M output tokens. Includes built-in content moderation for safer outputs. Released April 14th, 2025.GPT-5.1-Codex-Max 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 $1.25/M input and $10.00/M output tokens. Includes built-in content moderation for safer outputs. Released December 4th, 2025.Explore More Comparisons
Compare your models with top performers across different categories
Compare GPT-4.1 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 GPT-5.1-Codex-Max 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