OpenAI

GPT-4o mini

Public pricingMedium memoryVisionTool use

GPT-4o mini is OpenAI's medium-memory model with vision, tool use. This page shows current pricing, an interactive cost calculator, and a side-by-side with similar models.

Input

$0.15/1M tokens

Output

$0.60/1M tokens

Cached

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Batch

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Interactive

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What would GPT-4o mini cost you?

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1,00010,00050,000250,0001M10M

Technical specifications

GPT-4o mini at a glance.

Memory

128,000

tokens

Max reply

16,384

tokens

Memory tier

Medium

a long report or a codebase file

Tokenizer

tiktoken-o200k

Released

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Training cutoff

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Availability

Public pricing

Status

active

What it can do

Capabilities & limits.

  • Understands images
  • Deep step-by-step thinking
  • Uses tools / calls functions
  • Strict JSON output
  • Streams replies
  • Fine-tunable on your data

When to pick GPT-4o mini

  • Screenshot analysis, image understanding, or document OCR.
  • Agentic workflows that call tools or APIs.
  • High-volume workloads where unit cost matters.

When to look elsewhere

  • Very latency-sensitive, real-time apps where every millisecond counts.

Alternatives

Similar models to compare.

FAQ

GPT-4o mini — the questions we see most.

Pricing, capabilities, alternatives — generated from the same data that powers the calculator above.

Get instant answers from our AI agent

At a typical workload of 50,000 conversations a month with 1,500-token prompts and 800-token replies, GPT-4o mini costs roughly $35 per month. Input is $0.15 /1M tokens and output is $0.60 /1M tokens.
GPT-4o mini has a 128,000-token context window (medium memory — a long report or a codebase file). That means you can fit about 24,000 words of input and history in a single call.
Beyond text generation, GPT-4o mini supports understanding images, calling functions / tools, strict JSON output. It streams replies by default.
Models in a similar class include GPT-4.1 nano, GPT-5 nano, GPT-4.1 mini. The "Similar models" section below this FAQ links into each.

Still unsure?

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