gpt-4.1

by openai

Pricing

Input $1.20 / 1M tokens
Output $4.80 / 1M tokens

GPT‑4.1 Release by OpenAI


🗓️ Overview

GPT‑4.1 is OpenAI’s flagship large language model, launched on April 14, 2025.
It offers powerful improvements in reasoning, coding, and multimodal understanding, with a massive 1 million-token context window and full support for text + image inputs.


✨ Features

  • Multimodal: Accepts both text and image inputs
  • Context Length: Up to 1,000,000 tokens
  • Output Limit: Up to ~32K tokens per generation
  • High Instruction-Following Accuracy
  • Tool Support: Streaming, function calling, JSON mode, and more
  • Improved Long-Context Reasoning

📊 Benchmarks

TaskGPT‑4.1 Score
SWE-bench (Coding)54.6%
MultiChallenge (Reasoning)38.3%
MMLU (General Knowledge)~86%
MathVista (Vision + Math)72.2%
MMMU (Multimodal)74.8%

💰 Pricing

Token TypeCost per 1M Tokens
Input$2.00
Cached Input$0.50
Output$8.00

Fine-Tuning

TypeCost per 1M Tokens
Input$3.00
Output$12.00
Training$25.00

🎯 Use Cases

  • High-accuracy coding assistants
  • Long-document summarization and search
  • Advanced multimodal reasoning (images + text)
  • Legal, medical, and technical document analysis
  • AI agents requiring reliable instruction adherence

🚪 Availability

  • Available through the OpenAI API
  • Integrated into ChatGPT for Plus and Pro users (as the upgraded GPT‑4 tier)
  • Full support in the Playground with extended context capabilities

⚠️ Limitations

  • Higher latency and cost compared to Mini or Nano variants
  • Requires significant resources for long-context tasks
  • No native audio or video generation/output
  • API required for full 1M-token usage

🧠 Summary

GPT‑4.1 is the most capable and advanced OpenAI model to date.
It excels in deep reasoning, large-scale coding, and complex multimodal tasks while offering the longest context window ever deployed in production.
It is ideal for use cases where precision, instruction reliability, and context depth are critical.


🔍 Model Comparison

FeatureGPT‑4.1GPT‑4.1 MiniGPT‑4.1 NanoGPT‑4o
Context Window1M tokens1M tokens1M tokens128K tokens
Input Price$2.00$0.40$0.10N/A
Output Price$8.00$1.60$0.40N/A
Coding PerformanceHighMedium-HighBasicMedium
LatencyMediumLowVery LowMedium
Image Input
Audio/Video Support✅ (GPT‑4o)