tokevenGPTvsGPT
GPT 4o vs o1
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 4o
Mid-tiero1
FlagshipInput $/MTok
$2.50
$15.00
Output $/MTok
$10.00
$60.00
Cache discount
50% off
50% off
Context
128K
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
GPT 4o
o1
Guidance
When to use GPT 4o vs o1
Choose GPT 4o when...
- -Cost matters: 83% cheaper on input tokens
Choose o1 when...
- -You need a larger context window (200K vs 128K)
- Similar performance; consider provider preference or ecosystem fit.
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 4o
o1
100K tokens
$0.47Cheaper
$2.85
1M tokens
$4.75Cheaper
$28.50
10M tokens
$47.50Cheaper
$285.00
FAQ
When should I use GPT 4o instead of o1?
GPT 4o and o1 perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is o1 cheaper than GPT 4o?
o1 input costs $15.00/MTok, which is 500% more than GPT 4o at $2.50/MTok.
What are the context window sizes for GPT 4o and o1?
GPT 4o has a 128K token context window. o1 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 GPT 4o and o1 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.