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GPT 4.1

By OpenAI
Model family: GPT
GPT-4.1 is the most capable version of the GPT-4.1 series. It emphasizes depth and accuracy, with step-by-step reasoning that outperforms earlier GPT-4 models on complex benchmarks. The model handles large context windows, allowing it to process multi-document workflows, extended conversations, and repository-scale code without losing coherence. Multimodal capabilities mean it can interpret images, diagrams, and screenshots alongside text, producing grounded explanations or structured JSON outputs.

Enterprises use GPT-4.1 as the “heavy” model for high-stakes work: research copilots, business intelligence, advanced coding assistants, and retrieval-augmented systems that require trustworthy logic. While it is slower and more resource-intensive than its smaller siblings, it provides the highest accuracy and reasoning depth in OpenAI’s general model line.
New Text Gen 3
Released: April 14, 2025

Overview

GPT-4.1 is OpenAI’s flagship reasoning model in the GPT-4.1 family. It combines advanced reasoning, long-context support, multimodal input (text + images), and reliable JSON outputs, making it well suited for complex coding, math, analysis, and enterprise copilots.

About OpenAI

OpenAI is a technology company that specializes in artificial intelligence research and innovation.

Industry: Research Services
Company Size: 5000-5500
Location: San Francisco, California, US
Website: openai.com
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Tools using GPT 4.1

Last updated: February 12, 2026
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