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
Capabilities
textreasoning
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✍️
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Monthly Cost Estimates
| Usage Level | Daily Tokens | Daily | Monthly | Yearly |
|---|---|---|---|---|
| Light~50 requests/day | 100K in / 20K out | $0.20 | $5.94 | $72 |
| Medium~200 requests/day | 500K in / 100K out | $0.99 | $29.70 | $361 |
| Heavy~1K requests/day | 2,000K in / 500K out | $4.40 | $132.00 | $1606 |
| Enterprise~5K requests/day | 10,000K in / 2,000K out | $19.80 | $594.00 | $7227 |
Cost Calculator
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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.
o1-mini Comparisons
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