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🧠 ReasoningBudget-Friendly

o4-mini

by OpenAI

Latest efficient reasoning model

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Input Price

$1.1

per 1M tokens

Output Price

$4.4

per 1M tokens

Context Window

2,000K

tokens (131.072K max output)

Specifications

Release Date2025-04-16
Category🧠 Reasoning
Context Window2,000,000 tokens
Max Output131,072 tokens
ProviderOpenAI
Input Cost$1.1 / 1M tokens
Output Cost$4.4 / 1M tokens
Price TierBudget-Friendly

Capabilities

textreasoningcode

Related Use Cases

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AI Agent / Agentic Workflows

Calculate the cost of running AI agents that use tools, make decisions, and complete multi-step tasks.

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AI Chatbot

Calculate the API cost of running a customer support or conversational AI chatbot.

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Document Summarizer

Calculate how much it costs to summarize documents, reports, and articles with AI.

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AI Code Assistant

Calculate the cost of building an AI-powered coding assistant or copilot.

~4,000 in · ~2,000 out
✍️

Content Generation

Calculate the cost of generating blog posts, marketing copy, and articles with AI.

~1,500 in · ~3,000 out
🔍

Data Extraction

Calculate the cost of extracting structured data from unstructured text with AI.

~3,000 in · ~1,500 out

Monthly Cost Estimates

Usage LevelDaily TokensDailyMonthlyYearly
Light~50 requests/day100K in / 20K out$0.20$5.94$72
Medium~200 requests/day500K in / 100K out$0.99$29.70$361
Heavy~1K requests/day2,000K in / 500K out$4.40$132.00$1606
Enterprise~5K requests/day10,000K in / 2,000K out$19.80$594.00$7227

Cost Calculator

Alternatives to o4-mini

💰 Cheaper Options

GPT-5.4 miniOpenAI
5% cheaper
$0.75/M in · $4.5/M out
Claude 3.5 HaikuAnthropic
13% cheaper
$0.8/M in · $4/M out
Grok 4.20xAI
32% cheaper
$1.25/M in · $2.5/M out
Grok 4.3xAI
32% cheaper
$1.25/M in · $2.5/M out

🚀 More Powerful

Claude Haiku 4.5Anthropic
9% more
$1/M in · $5/M out
Magistral MediumMistral AI
27% more
$2/M in · $5/M out
Llama 3.1 405BMeta (via Together AI)
27% more
$3.5/M in · $3.5/M out
Codex MiniOpenAI
36% more
$1.5/M in · $6/M out

Frequently Asked Questions

How much does o4-mini API cost per million tokens?▼
o4-mini costs $1.1 per million input tokens and $4.4 per million output tokens as of 2026. These are the standard API rates from OpenAI.
What is the o4-mini context window?▼
o4-mini supports a 2M context window (2,000,000 tokens), which means you can process up to 2M tokens in a single API call.
How much does o4-mini cost per month?▼
At medium usage (~200 requests/day with 500K input and 100K output tokens/day), o4-mini costs approximately $29.70/month. Light usage runs about $5.94/month, and heavy usage (~1K requests/day) around $132.00/month.
Is there a cheaper alternative to o4-mini?▼
Yes — GPT-5.4 mini by OpenAI is a cheaper option at $0.75/M input tokens vs $1.1/M for o4-mini. Other budget alternatives include models in the efficient tier.
Is o4-mini good for ai agent / agentic workflows?▼
o4-mini is a reasoning model with support for text, reasoning, code. For ai agent / agentic workflows, it offers 2M context and costs $1.1/M input tokens — a budget-friendly choice for this use case.

o4-mini Comparisons

codex mini latest vs o4 mini deep researchcodex mini latest vs o4 minio3 deep research vs o4 mini deep researchgpt 5 2 vs o4 mini deep researchgpt 5 2 pro vs o4 mini deep researchgpt 5 5 vs o4 mini deep researchgpt 5 5 pro vs o4 mini deep researchgpt 5 4 pro vs o4 mini deep research

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