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GPT-4.1 - In-Depth Overview

OpenAI · GPT-4.1

Current
Flagship
Latest in family

Get all the details on GPT-4.1, an AI model from OpenAI. This page covers its token limits, pricing structure, key capabilities such as distillation, fine_tuning, function_calling, available API code samples, and performance strengths.

Key Metrics

Input Limit

1.0M tokens

Output Limit

32.8K tokens

Input Cost

$2.00/1M

Output Cost

$8.00/1M

Sample API Code

from openai import OpenAI

client = OpenAI()

chat_completion = client.chat.completions.create(
    messages=[
        {
            "role": "user",
            "content": "Say this is a test",
        }
    ],
    model="gpt-4.1",
)

Required Libraries

openai
openai

Benchmarks

BenchmarkScoreSourceNotes
1366
OpenLLM Leaderboard-
1261
OpenLLM Leaderboard-
1281
OpenLLM Leaderboard-
62.99
LiveBench-
44.39
LiveBench-
73.19
LiveBench-
62.39
LiveBench-
66.40
LiveBench-
54.55
LiveBench-
77.05
LiveBench-
66.3
Vellum Leaderboard%
55
Vellum Leaderboard%
48.1
Vellum Leaderboard%

Notes

Flagship GPT model for complex tasks. It is well suited for problem solving across domains.

Capabilities

distillation
fine tuning
function calling
long context
multimodal input
predicted outputs
snapshots
streaming
structured outputs
vision
web browsing via tool

Supported Data Types

Input Types

text
image

Output Types

text

Strengths & Weaknesses

Exceptional at

complex reasoning
problem solving

Good at

coding tasks
data analysis
instruction following
multimodal understanding
web development tasks

Additional Information

Latest Update

Apr 14, 2025

Knowledge Cutoff

Jun 1, 2024