All OpenAI models

GPT-4o (2024-05-13)

OpenAI · released May 2024

GPT-4o (2024-05-13) is a OpenAI model with a 128K token context window — about 180 pages of text. It reads Text, Images, and Files and replies in Text.

$5.75

input / 1M tokens

$17.25

output / 1M tokens

128K

context — about 180 pages

4.3¢

a client proposal

Pricing

Input
$5.75 per million tokens
Output
$17.25 per million tokens

Billed from your Alyph wallet. Prices can change when the provider changes theirs — last checked August 9, 2026.

The numbers

Provider
OpenAI
Released
May 2024 (2024-05-13)
Context window
128K tokens — about 180 pages
Max output
4K tokens per reply
Input
Text, Images, and Files
Output
Text
Reasoning
Answers directly
Knowledge cutoff
2023-10-31

Cost vs Token Amount

Drag the slider to adjust the split between input and output workload.

80% Input20% Output
free$4.02$8.050 tokens250k500k750k1000k
GPT-4o (2024-05-13)

Adjust the ratio slider to change how output tokens influence the final price for equivalent workloads.

What a task costs

2K tokens in · 500 tokens out.

GPT-4o (2024-05-13)

OpenAI

2¢

for this task

57% input · 43% output

Full pricing →

Your $5 welcome credit covers about 248 of these.

Compare GPT-4o (2024-05-13)

Closest in price on a typical task:

GPT-4o (2024-05-13) vs Claude Opus 4.5 →GPT-4o (2024-05-13) vs Claude Opus 4.6 →GPT-4o (2024-05-13) vs Claude Opus 4.7 →GPT-4o (2024-05-13) vs Claude Opus 4.8 →Any other combination →

Questions, answered

How much does GPT-4o (2024-05-13) cost on Alyph?

GPT-4o (2024-05-13) costs $5.75 per million input tokens and $17.25 per million output tokens on Alyph. A typical task — 5K tokens in, 800 out — works out to about 4.3¢. Billed from your Alyph wallet, with hard spending limits. Prices can change when the provider changes theirs; this page was last checked on August 9, 2026.

What is GPT-4o (2024-05-13)'s context window?

128K tokens — about 180 pages. Replies can be up to 4K tokens long.

Can GPT-4o (2024-05-13) read images and files?

GPT-4o (2024-05-13) reads Text, Images, and Files. Drop a file onto the canvas and it becomes part of the context — the only limit is the context window.

Does GPT-4o (2024-05-13) show its reasoning?

No — GPT-4o (2024-05-13) answers directly, without a visible thinking pass.

Test GPT-4o (2024-05-13) against Claude Opus 4.5

One prompt, both models at the same time, the better answer wins. Free to start, with $5 of credit.

Sign up free Try the demo