OpenAI

GPT-4o

Name: GPT-4o
Author: OpenAI

Complete specs, pricing, and benchmark data for GPT-4o by OpenAI. Last verified 2026-04-03.

VisionMultimodalJSON ModeFunctionsStreamingCode Exec

Pricing

Input / 1M tokens

$2.50

Output / 1M tokens

$10.00

Cached Input / 1M

$1.25

Batch Input / 1M

$1.25

Context & Output

Context Window

128K

Max Output

16,384

TTFT

230ms

Speed

95 tok/s

Benchmarks

Arena ELO

1260

Coding ELO

1265

Reasoning ELO

1250

HumanEval

90.2

MMLU

88.7

MATH

76.6

GPQA

53.6

Price History (Input $/M tokens)

Model:

Strengths

Limitations

General PurposeMultimodalFunction Calling