.ai vs .co: Price, Renewal and Availability
Pick .co unless AI is the core of the product. .co costs $15.50 then $31.20 a year, $140.30 over five years; .ai costs $82.70 a year with a 2-year minimum, $413.50 over five years. 48% of .ai names checked on domhaul were already registered, against 54% of .co.
Standard (non-premium) names, USD per year, quoted October 24, 2026.
| Measure | .ai | .co |
|---|---|---|
| First year (lowest) | $82.70 | $15.50 |
| Renewal (lowest) | $82.70 | $31.20 |
| Renewal vs first year | same | 2.0x |
| 5 years, cheapest registrar | $413.50 (Porkbun) | $140.30 (Dynadot) |
| Minimum term | 2 years ($165.40 upfront) | 1 year |
| Porkbun first year | $82.70 | $15.76 |
| Porkbun renewal | $82.70 | $31.20 |
| Porkbun transfer | $165.09 | $31.20 |
| Dynadot first year | $85.60 | $15.50 |
| Dynadot renewal | $85.60 | $31.20 |
| Taken when checked on domhaul | 48% of 271 | 54% of 202 |
| Type | Country code (Anguilla) | Country code (Colombia) |
| Registry | Government of Anguilla | Ministry of Information and Communications Technologies (MinTIC) |
| Rules | Open to anyone; 2-year minimum term | Open to anyone |
| DNSSEC | Signed | Signed |
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Pick .ai if
- AI is what you sell and the name reads as name + .ai.
- You want the extension that says AI before anyone clicks.
- The .co is taken or too close to a .com competitor.
Pick .co if
- You are naming a company whose product is not mainly AI.
- You want one-year terms and a fraction of the cost.
- You can also secure the .com, since .co gets mistyped.
.ai vs .co questions
Is .ai more expensive than .co?
.ai costs $82.70 for the first year and $82.70 to renew; .co costs $15.50 and $31.20. Over five years (first year plus four renewals at the cheaper registrar) that is $413.50 for .ai and $140.30 for .co, so .co is the cheaper one to keep by 2.9x. .ai is sold in 2-year minimum terms, so the first bill is $165.40. Standard names at Dynadot and Porkbun, quoted October 24, 2026.
Are .ai and .co country domains?
Both are country codes, .ai for Anguilla and .co for Colombia, and both are open to anyone anywhere. Google treats .co like a generic extension in search.
Can I register a .ai domain for one year?
No. .ai has a 2-year minimum, so the first bill is $165.40. .co can be registered one year at a time.
Does .co get confused with .com?
Yes: people add the m by habit, so some visitors and email go to the .com owner. Check who owns the .com before you build on a .co.
More comparisons
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- .com vs .co 5 yrs $54.40 vs $140.30
- .io vs .co 5 yrs $235.32 vs $140.30
- .co vs .net 5 yrs $140.30 vs $62.60
Full price pages: .ai and .co. All domain extension comparisons, the price list for every TLD, and the long read on .com vs .io vs .app vs .dev for startups. Have a name? The domain value calculator prices it and finds available alternatives.