OpenAI: GPT-4o-mini (2024-07-18)

openai/gpt-4o-mini-2024-07-18

GPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs. As their most advanced small model, it is many multiples more affordable...

Modalities

In / out price

$0.15 / $0.6 per 1M

Context

128K

Released

Jul 18, 2024

Why use GPT-4o-mini (2024-07-18)

Understands images
Reads PDFs and other files
Tool and function calling (agent-ready)
Structured (JSON) outputs

Pricing

Input	$0.15 / 1M tokens
Output	$0.6 / 1M tokens
Cached input (read)	$0.075 / 1M tokens

List prices via OpenRouter, checked daily. Real cost depends on the provider and on reasoning tokens.

Cost calculator

Pick a task, set how often you run it, and compare what it costs on each model.

TaskInput tokens≈ 602 wordsOutput tokens≈ 1,504 wordsRuns per month

Input served from cache: 0%Repeated prompts (same instructions or document) are billed at the cheaper cache-read price where the model supports it.

Model	Per run	Per month	Per 1,000 runs
OpenAI: GPT-4o-mini (2024-07-18)	$0.0013	$1.32	$1.32

Estimates from list prices via OpenRouter; real bills vary by provider and reasoning tokens.

Will it fit? Context window simulator

Each square is about one page (500 words). Colored squares are your content; grey squares are free space in the model's context window.

Your content

Novel (90,000 words)

Total: about 120,000 tokens (≈ 90,226 words). Token counts are estimates.

Models

Zoom (square size): 6pxZoom out to see a whole million-token window at once.