GPT-4.1
OpenAI's developer-focused model with extended context capabilities and superior coding performance
GPT-4.1
OpenAI • April 2025
Training Data
Up to June 2024
GPT-4.1
April 2025
Parameters
~1.8 trillion
Training Method
Transformer with RLHF
Context Window
1,000,000 tokens
Knowledge Cutoff
June 2024
Key Features
1M Token Context • Enhanced Coding • Developer Focused
Capabilities
Context: Outstanding
Coding: Outstanding
Reasoning: Excellent
What's New in This Version
Superior coding performance with massive context window for complex development tasks
OpenAI's developer-focused model with extended context capabilities and superior coding performance
What's New in This Version
Superior coding performance with massive context window for complex development tasks
Technical Specifications
Key Features
Capabilities
Other OpenAI Models
Explore more models from OpenAI
GPT-6 Astra
OpenAI's GPT-6 flagship — a generational leap in computer use, software engineering, science, and professional work that reaches the Critical cybersecurity threshold under OpenAI's Preparedness Framework
GPT-5.6 Sol
OpenAI's flagship GPT-5.6 model — its most capable system yet for complex coding, cybersecurity, and scientific reasoning, with new max reasoning effort and ultra subagent mode
GPT-5.6 Terra
The balanced mid-tier of the GPT-5.6 family — matches GPT-5.5 quality on high-volume business tasks at roughly half the price