AI Assistant: AI Token Usage Estimation
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The AI Assistant module is an add-on feature for the iSlash AI platform. Note that when using AI Assistant, there is AI token usage which is chargeable.
Prerequisites:
An active iSlash AI account with AI Assistant module being enabled.
iSlash AI Assistant is powered by ChatGPT, Google Gemini, and Qwen. When using the iSlash AI Assistant, token usage occurs in three key activities:
Processing Customer Questions - Understanding and analysing customer queries
Generating AI Answers - Producing responses in the selected language and AI model
Token calculation is based on character usage. However, usage efficiency varies depending on language and the LLM (Large Language Model) version selected.
No Token Charges for Uploading Training Materials
(Applies only to Knowledge Base 2.0)
Build and update your Knowledge Base 2.0 freely — uploading and training your AI Assistant won't cost any tokens. Tokens are only used later, when your AI Assistant is actively answering customer questions.
We've also made training your AI Assistant much simpler:
1️⃣ More file formats supported
Upload almost any file type — no need to convert or reformat your documents:
.pdf, .docx, .xlsx, .csv, .json, .txt, .md, .jpg, .png
2️⃣ No more "Embedding Model" selection
No technical decisions required. Just upload your training materials — the system handles the rest automatically.
AI Token Standard Pricing by AI Models
Open AI | Model Name | Price Per 1,000 Unit (HKD) |
|---|---|---|
Embedding | Text Embedding ADA 002 | 0.0013 |
Embedding | Text Embedding 3 Small | 0.0003 |
Embedding | Text Embedding 3 Large | 0.0017 |
Prompt | ChatGPT 5 Mini | 0.0234 |
Prompt | ChatGPT 5.4 Nano | 0.0147 |
Prompt | ChatGPT 5.4 Mini | 0.0527 |
Prompt | ChatGPT 5.4 | 0.1755 |
Prompt | ChatGPT 5.6 Sol | 0.351 |
Prompt | ChatGPT 5.6 Terra | 0.1755 |
Prompt | ChatGPT 5.6 Luna | 0.0702 |
Google Gemini | Model Name | Price Per 1,000 Unit (HKD) |
|---|---|---|
Embedding | Gemini Embedding 2 | 0.0024 |
Prompt | Gemini 2.5 Flash | 0.0293 |
Prompt | Gemini 3 Flash Preview | 0.0351 |
Prompt | Gemini 2.5 Pro | 0.1755 |
Prompt | Gemini 3.1 Pro Preview | 0.2106 |
Prompt | Gemini 3.1 Flash Lite | 0.0176 |
Prompt | Gemini 3.5 Flash | 0.1053 |
Qwen | Model Name | Price Per 1,000 Unit (HKD) |
|---|---|---|
Prompt | Qwen 3.7 Max | 0.0878 |
Prompt | Qwen 3.6 Flash | 0.0468 |
AI Token Usage Estimation
Understanding token usage helps you estimate costs and optimize your AI interactions. Tokens are units of text (words, punctuation, or characters) that the AI processes.
Token calculation by language.
English Language:
1 token equals approximately 4 English characters
about 75 words per 100 tokens.
Chinese Language:
A 20-characters Chinese poem like “Quiet Night Thoughts” (靜夜思) uses ~34 tokens.
Example usage estimation:
If there are 20 users per day, each asking 3 questions, over 365 days, the estimated cost is around HKD 750 (with a fluctuation of about 60 questions).
With HKD 2000, you can process roughly 10 million Chinese characters in conversations.
For heavy daily usage, monitor token reports in your iSlash AI dashboard.
How to Estimate Token Usage
Draft your text prompt or expected chatbot response.
Visit the free Token Counter Tool here: 👉 https://www.quizrise.com/token-counter

Paste your text to see the estimated token count instantly.
This tool provides a quick way to gauge usage before you send your messages to the AI, helping you manage efficiency and plan resources better.
Top-up AI Credit
Before beginning to deploy AI Assistant to chatbot, please top up AI credit following these steps:
Go to Settings (https://app.islash.io/setting/plan).
At My Plan, find Credit Balance.

Click "Manage Credits" and select "Top-Up".
At the "Top-Up By Credit Card" pop-up window, select AI and update amount of credits to top-up.
Minimum top-up value is HKD500, the credit is transferable between Plan, Message, AI and Ad.

Click "Top-up HKD 500" and you'll be guided to a payment checkout page.
Complete payment.
Insights
What is the cost estimation for token usage?
If there are 20 users per day, each asking 3 questions, over 365 days, the estimated cost is around HKD 750 (with a fluctuation of about 60 questions).



