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OpenAI GPT-4.1: Increased Context & Performance

· 2 min read
Alexander Carrington
Alexander Carrington
COO of Neuronic AI
GPT-4.1

🧠 OpenAI Launches GPT-4.1​

OpenAI has officially launched GPT-4.1, its latest flagship language model. This release includes three versions:
GPT-4.1, GPT-4.1 Mini, and GPT-4.1 Nano — each with major improvements in coding, instruction following, and long-context reasoning.

⭐ Key Features of GPT-4.1

  • Expanded Context Window
    → Supports up to 1 million tokens
    → Huge leap from GPT-4o's 128K tokens
    → Ideal for processing large datasets and complex reasoning tasks

  • Improved Coding Capabilities
    → +21% over GPT-4o, +27% over GPT-4.5 in SWE-Bench
    → More accurate code generation and debugging

  • Enhanced Instruction Following
    → Better adherence to complex prompts
    → Reduced need for clarifications or re-prompts

  • Cost Efficiency
    → Operates at 26% lower cost than GPT-4o
    → More affordable for developers and enterprise use

  • Updated Knowledge Base
    → Trained on data up to June 2024
    → Smarter, more relevant outputs

📡 Availability & Transition

  • API Access Only
    → Available via API for devs and businesses
    → No ChatGPT Plus access (yet)

  • Model Phase-Outs
    → GPT-4 will be removed from ChatGPT by April 30
    → GPT-4.5 preview deprecated by July 14

🛠️ Available now — plug in, route smart, and start building see it on our 👉 Dashboard