OpenAI/Model/GPT/4/1

• GPT-4.1 Overview

  • Key Features

    • New family of models: GPT-4.1, GPT-4.1 Mini, and GPT-4.1 Nano
    • Major improvements in coding, instruction following, and long-context understanding
    • Supports up to 1 million tokens context window
    • Knowledge cutoff: 2024/06

  • Performance Highlights

    • AI Coding
      • 54.6% on AI/Benchmark/SWE-Bench/Verified
    • Instruction Following
      • 38.3% on AI/Benchmark/MultiChallenge
    • Long-context
      • 72% on AI/Benchmark/Video-MME/long no subtitles

  • Model Tiers

    • OpenAI/Model/GPT/4/1/mini
      • 83% cheaper than 4o
      • Beats GPT-4o on many tasks
    • OpenAI/Model/GPT/4/1/nano
      • Fastest and cheapest option
      • High performance on classification/autocompletion

  • Access Details

    • API-only availability
      • GPT-4o in ChatGPT continues to integrate improvements
    • GPT-4.5 will be deprecated by 2025-07-14 Mon

  • Technical Specifications

    • Model name: gpt-4.1
    • Context length: Up to 128k tokens in API
    • Input support: Text and images (multimodal)
    • Key improvements
      • Better instruction following
      • Enhanced long context understanding
      • Improved code task completion
    • Features
      • System message support for behavior control
      • OpenAI function/tool calling capability

  • References

    • Official Documentation
    • Release Announcement