prompter: How much caffeine is there in caffeine free diet coke?

assistant: Caffeine-free Diet Coke does not contain any caffeine. According to the Coca-Cola Company, one 12-ounce (355-milliliter) can of Caffeine-Free Diet Coke contains no caffeine.

prompter: What about other drinks that Coca-Cola Company sells?

assistant: Coca-Cola owns almost 200 brands world-wide, so a list of all of their drinks would be very long. Here is the caffeine content of ten of the more popular drinks that Coca-Cola sells world-wide.

1. **Coca-Cola:** 32mg/355ml can
2. **Diet Coke:** 42mg/355ml can
3. **Dr. Pepper:** 42mg/355ml can
4. **Sprite:** No caffeine
5. **Fanta:** No caffeine
6. **Coca-Cola Zero:** No caffeine
7. **Powerade:** No caffeine
8. **Minute Maid Orange Juice:** No caffeine 
9. **Del Valle:** No caffeine
10. **Fuze Iced Tea:** 24mg/710ml bottle

assistant: The amount of caffeine in other drinks that Coca-Cola Company sells can vary. Here are the approximate amounts of caffeine in some popular Coca-Cola Company drinks:

- Coca-Cola Classic: 34 mg in a 12-ounce can
- Diet Coke: 46 mg in a 12-ounce can
- Coca-Cola Zero Sugar: 34 mg in a 12-ounce can
- Barq's Root Beer: 22 mg in a 12-ounce can
- Sprite: 0 mg in a 12-ounce can
- Fanta Orange: 0 mg in a 12-ounce can

It's worth noting that the actual caffeine content of a drink may vary depending on factors such as brewing method, serving size, and brand. Additionally, some Coca-Cola Company products may not be available in all countries or regions. It's always a good idea to check the label or contact the manufacturer directly if you have questions about the caffeine content of a specific beverage.

assistant: Coca-Cola is a multinational company which sells it's products in most country. Local recipes change according to local regulations and preferences.

Do you have a particular country and product in mind?

assistant: It is advertised as having no caffeine. You should check Coca-Cola's website if you need absolute certainty, because I am trained on a fixed dataset, and product ingredients can change over time.

prompter: Is it really possible for a caffeine free diet coke to have caffeine in the future? That sounds nonsensical.

assistant: You're right, it certainly does sound nonsensical on face value. However, when it comes to advertising and marketing a product, there are different rules and regulations for what is allowed to be said. Sometimes something can be marketed as caffeine free so long as it is below some minimum threshold. Changes to the ingredients in the future may have an impact on the actual quantity. If you find that you need absolute certainty it is best to check Coca-Cola's website as they'll have the most up to date and accurate information for your needs.

assistant: While it is highly unlikely that Coca-Cola would add caffeine to a drink they call Caffeine Free Diet Coke, I am unable to see the future so I can't know for sure.

assistant: Caffeine free diet Coke is stated to contain no caffeine from the manufacturer. As caffeine is added by the manufacturer it is highly likely that caffeine free diet Coke contains no caffeine as long as there is no issue pertaining to contamination.

prompter: Which caffeinated cola has the least amount of caffeine?