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🧠 ReasoningBudget-Friendly

o1-mini

by OpenAI

Compact reasoning model optimized for STEM tasks

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Input Price

$1.1

per 1M tokens

Output Price

$4.4

per 1M tokens

Context Window

128K

tokens (65.536K max output)

Specifications

Release Date2024-09-12
Category🧠 Reasoning
Context Window128,000 tokens
Max Output65,536 tokens
ProviderOpenAI
Input Cost$1.1 / 1M tokens
Output Cost$4.4 / 1M tokens
Price TierBudget-Friendly

Capabilities

textreasoning

Related Use Cases

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 o1-mini

Frequently Asked Questions

How much does o1-mini API cost per million tokens?
o1-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 o1-mini context window?
o1-mini supports a 128K context window (128,000 tokens), which means you can process up to 128K tokens in a single API call.
How much does o1-mini cost per month?
At medium usage (~200 requests/day with 500K input and 100K output tokens/day), o1-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 o1-mini?
Yes — GPT-5.4 mini by OpenAI is a cheaper option at $0.75/M input tokens vs $1.1/M for o1-mini. Other budget alternatives include models in the efficient tier.
Is o1-mini good for ai chatbot?
o1-mini is a reasoning model with support for text, reasoning. For ai chatbot, it offers 128K context and costs $1.1/M input tokens — a budget-friendly choice for this use case.

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