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GPT-4.1: Better at Coding and Instruction Following

GPT-4.1 is a family of LLMs developed by OpenAI, released on April 14, 2025. It builds upon previous models like GPT-4o, serving as OpenAI's flagship general-purpose AI but with a strong emphasis on specialized tasks.

This model introduces significant advancements in coding proficiency, instruction following, and handling long-context scenarios, making it ideal for real-world programming challenges.

GPT-4.1 is distinct from other models or consumer versions, prioritizing API integration for enterprise and developer use. While it excels in technical domains, it requires API access for implementation.

Application Scenarios of GPT-4.1

GPT-4.1 excels in tasks requiring precision, efficiency, and complex reasoning, distinguishing it from more general-purpose models.

Software Engineering and Code Development

GPT-4.1 is optimized for real-world programming challenges, including code generation, debugging, and building agentic workflows.

It supports developers in automating bug detection, creating keyword-based code search applications, and handling multi-step coding tasks with high accuracy and efficiency.

Customer Support and Real-Time Interactions

In high-throughput environments, GPT-4.1 powers real-time chat systems and customer support tools, delivering fast responses with low latency.

Its strong instruction-following abilities make it ideal for handling dynamic queries in enterprise settings like automated assistance and interactive applications.

Long-Context Reasoning and Complex Analysis

GPT-4.1 excels in scenarios involving extensive data, such as document analysis, multi-turn conversations, or intricate problem-solving.

It maintains coherence over long contexts, enabling applications in research, legal review, or AI agents that require sustained reasoning across large inputs.

GPT-4.1 vs GPT-4.1 mini vs GPT-4o

Aspect	GPT-4.1	GPT-4.1 mini	GPT-4o
Instruction Following	Scores 87.4% on IFEval	Scores 84.1% on IFEval	Scores 81% on IFEval
Long Context	Up to 1 million tokens	Up to 1 million tokens	Up to 128K tokens
Coding	54.6% on SWE-bench Verified	23.6% on SWE-bench Verified	33.2% on SWE-bench Verified
Vision	74.8% on MMMU	72.7% on MMMU	68.7% on MMMU
Pricing (per 1M tokens)	Input: $2.00, Output: $8.00	Input: $0.40, Output: $1.60	Input: $2.50, Output: $10.00; higher overall cost
Speed/Latency	Improved over GPT-4o at long contexts	Nearly half the latency of GPT-4o; faster than GPT-4.1	Slower, especially at longer contexts
Other Features	Refreshed knowledge cutoff (June 2024); 32,768 max output tokens; better for agents	Cheaper and faster alternative with similar capabilities	Older knowledge cutoff (October 2023); 16.4K max output tokens

How to Access GPT-4.1?

The best and convenient way to access GPT-4.1 is via HIX AI. Here are 3 simple steps to visit this AI chat model:

1. Head over to the HIX AI chat page.
2. Select the GPT-4.1 AI model from the list.
3. Type your question and start your journey.

Want a different experience? In addition to GPT-4.1, HIX AI also offers other top AI chat models like GPT-5, GPT-5 mini, Claude Opus 4.1, Claude 3.7 Sonnet, DeepSeek-R1, Gemini and much more. You can switch among all of these models to test out their abilities within this single platform.