Input Price
$15
per 1M tokens
Output Price
$60
per 1M tokens
Context Window
200K
tokens (65.536K max output)
Specifications
Release Date2024-09-12
Category🧠 Reasoning
Context Window200,000 tokens
Max Output65,536 tokens
Capabilities
textreasoning
Related Use Cases
💬
AI Chatbot
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✍️
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🔍
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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 | $2.70 | $81.00 | $986 |
| Medium~200 requests/day | 500K in / 100K out | $13.50 | $405.00 | $4928 |
| Heavy~1K requests/day | 2,000K in / 500K out | $60.00 | $1800.00 | $21900 |
| Enterprise~5K requests/day | 10,000K in / 2,000K out | $270.00 | $8100.00 | $98550 |
Cost Calculator
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Frequently Asked Questions
How much does o1 API cost per million tokens?▼
o1 costs $15 per million input tokens and $60 per million output tokens as of 2026. These are the standard API rates from OpenAI.
What is the o1 context window?▼
o1 supports a 200K context window (200,000 tokens), which means you can process up to 200K tokens in a single API call.
How much does o1 cost per month?▼
At medium usage (~200 requests/day with 500K input and 100K output tokens/day), o1 costs approximately $405.00/month. Light usage runs about $81.00/month, and heavy usage (~1K requests/day) around $1800.00/month.
Is there a cheaper alternative to o1?▼
Yes — o3 Deep Research by OpenAI is a cheaper option at $10/M input tokens vs $15/M for o1. Other budget alternatives include models in the efficient tier.
Is o1 good for ai chatbot?▼
o1 is a reasoning model with support for text, reasoning. For ai chatbot, it offers 200K context and costs $15/M input tokens — a premium option for this use case.
o1 Comparisons
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