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How Much Does an AI Chatbot Cost?
Calculate the API cost of running a customer support or conversational AI chatbot.
How We Calculate This
A typical AI chatbot handles customer queries with ~2,000 input tokens (conversation history + system prompt + user message) and generates ~500 output tokens per response. A medium-traffic site might see 500 conversations per day.
Frequently Asked Questions
How much does it cost to run an AI chatbot per month?▼
Monthly costs range from $15 (using efficient models like GPT-4o mini) to $2,000+ (using flagship models like GPT-5.2) for 500 daily conversations. The exact cost depends on conversation length and model choice.
What is the cheapest AI model for a chatbot?▼
DeepSeek V3 and GPT-4o mini are among the cheapest options at under $1/million input tokens. For most chatbot use cases, these efficient models perform well enough.
Should I use GPT or Claude for my chatbot?▼
Both work well. Claude tends to be better at following complex instructions and staying in character. GPT models offer more pricing tiers. Compare costs above for your specific volume.