Base model
o3
from $1.00 at 20 providers
openai/o3 · 20 providers · Text models ·
Price alerts
Found 24
Simple Full
Ranges in one field: "from-to" - "0.5-3", "-3" (up to), "128k-" (from); a colon works too. Several ticked values of one column are ORed, columns are ANDed.
Input price history, $/1M
Latest: minimum $1.00, median $2.00 (Nov 4, 2026)
The O family - base models: 16
- o
- o-mini
- o-pro
About the model: cost of your workload, questions, comparisons, citation
Cost of my workload → in the Tools tab: every provider of this model, cheapest first
Frequently asked questions
How much does o3 API cost?
From $1.00 input and $4.00 output per 1M tokens, at openrouter.
Which provider offers o3 cheapest?
openrouter offers the lowest price, $1.00 per 1M tokens, among 20 providers.
What is the context window of o3?
200K tokens.
Where is o3 available?
Available in: Global, US, EU.
Compare
Source: AI Rate Card, https://airatecard.com/en/model/openai/o3, prices checked 2026-11-04