OpenAIfrontier
o1
OpenAI's reasoning model — designed for complex STEM, coding, and multi-step logic.
Input tokens
$15.00
per 1M tokens
Cached: $7.50/1M
Output tokens
$60.00
per 1M tokens
4.0× input price
Context window
200K
tokens
≈ 150K words
Key Features
200K context
Vision
Extended reasoning
Tool use
STEM-focused
Multimodal (Vision)
Extended reasoning / chain-of-thought
Estimated Monthly Cost
Startup chatbot
100K in + 50K out /day
$135.00/mo
Mid-scale app
1000K in + 300K out /day
$990.00/mo
Enterprise
10000K in + 3000K out /day
$9900.00/mo
Want to calculate your exact monthly cost?
Open Cost Calculator →