o1 vs o3-pro
Input price
$15.00
$20.00
Output price
$60.00
$80.00
Context window
200K
200K
Throughput
152 tok/s
128 tok/s
Availability
96.5%
97.3%
Cost / task
$0.060
$0.080
Efficiency score
76
76
Estimated monthly cost by workload
Metric
O1
O3-PRO
Chat assistant
$11,700
$15,600
RAG / long context
$23,400
$31,200
Agent / tool use
$32,400
$43,200
Efficiency score: o1
Across price, speed and reliability, o1 offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.
Figures are illustrative demo data, not financial advice.
Frequently asked questions
Is o1 or o3-pro cheaper?+
o1 has the lower input price — $15.00 vs $20.00 per 1M tokens — so for most blended workloads it is the more cost-effective of the two. Figures are illustrative demo data.
Which should I choose, o1 or o3-pro?+
Across price, speed and reliability, o1 offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.