AI Chatbot Cost Estimator
Plan your AI chatbot budget: enter usage numbers, pick a model, and see the estimated monthly cost in USD with a full breakdown and side-by-side model comparison.
Your usage
Roughly 1 token = 3 to 4 characters of English text. Most chatbots use 400 to 1,200 tokens per message.
Monthly estimate —
Monthly tokens
Estimated monthly cost
Cost per 1k conversations
Cost breakdown
| Item | Tokens | Price per 1k | Cost |
|---|---|---|---|
| Total | |||
Breakdown copied to your clipboard.
Model comparison
Same usage, estimated monthly cost for each model. Prices are assumptions — see the note below.
Assumptions used
- 30 days per month; input tokens = 60 percent, output tokens = 40 percent of total.
- 1 conversation = 10 messages on average.
- Per 1k token prices (2026 public pricing, may change): GPT-4o 0.005 in / 0.015 out, GPT-4o mini 0.00015 in / 0.0006 out, Claude 3.5 Sonnet 0.003 in / 0.015 out, Gemini 1.5 Pro 0.00125 in / 0.005 out, Llama 3.1 8B hosted 0.0002 in / 0.0002 out, all USD.
- This is a planning estimate, not a bill. Check official provider pricing for exact numbers.