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o1 vs o3 Mini
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
o1
Flagshipo3 Mini
Fast / BudgetInput $/MTok
$15.00
$1.10
Output $/MTok
$60.00
$4.40
Cache discount
50% off
50% off
Context
200K
200K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
0
Code Review
0
vs
0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
vs
0
o1
o3 Mini
Guidance
When to use o1 vs o3 Mini
Choose o1 when...
- Similar performance; consider provider preference or ecosystem fit.
Choose o3 Mini when...
- -Cost matters: 93% cheaper on input tokens
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
o1
o3 Mini
100K tokens
$2.85
$0.21Cheaper
1M tokens
$28.50
$2.09Cheaper
10M tokens
$285.00
$20.90Cheaper
FAQ
When should I use o1 instead of o3 Mini?
o1 and o3 Mini perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is o3 Mini cheaper than o1?
Yes. o3 Mini input costs $1.10/MTok vs $15.00/MTok for o1, saving 93% on input.
What are the context window sizes for o1 and o3 Mini?
o1 has a 200K token context window. o3 Mini has a 200K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How o1 and o3 Mini stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.