OpenAI

GPT-4.1 Nano

Name: GPT-4.1 Nano
Author: OpenAI

Complete specs, pricing, and benchmark data for GPT-4.1 Nano by OpenAI. Last verified 2026-04-03.

VisionMultimodalJSON ModeFunctionsStreaming

Pricing

Input / 1M tokens

$0.100

Output / 1M tokens

$0.400

Cached Input / 1M

$0.025

Context & Output

Context Window

1.047576M

Max Output

32,768

TTFT

130ms

Speed

150 tok/s

Benchmarks

Arena ELO

1180

Coding ELO

1150

Reasoning ELO

1140

HumanEval

MMLU

78.5

MATH

62.1

GPQA

38.5

Price History (Input $/M tokens)

Model:

Strengths

Limitations

ChatbotsClassificationCost SensitiveHigh Volume