Pricing and Limits
Plan pricing, document quotas, API costs, and rate limits for Chat9.
Current pricing
Chat9 is currently free to use during the early access period.
Document limits
- Maximum 100 documents per account.
- Maximum 50 MB per document.
Widget limits
- Maximum 1 000 characters per single message sent through the widget. Messages exceeding this limit are rejected before reaching the bot.
- Maximum 800 tokens per bot response (roughly 600 words). Longer answers are truncated by the model.
The 100-document capacity is shared across uploaded files and indexed URL-source pages.
API costs
Chat9 uses your own OpenAI API key — you pay OpenAI directly for:
- Embedding generation (when you upload documents): uses
text-embedding-3-small. - Chat answers: uses
gpt-5-mini. - Lightweight guard and validation checks: use
gpt-4o-miniby default.
Typical costs are very low — a few cents per document upload, and fractions of a cent per chat message.
Rate limits
To protect the service, the following rate limits apply:
- Private chat API: 30 requests per minute per API key.
- Public widget — session init (
POST /widget/session/init): 10 requests per minute per IP. - Public widget — chat (
POST /widget/chat): 30 requests per minute per visitor IP. - Public widget — escalation (
POST /widget/escalate): 20 requests per minute per IP. - Search API: 30 requests per minute.
- Document upload: 20 uploads per hour.
- Registration: 5 per hour per IP.
- Login: 10 per minute per IP.
- Password reset request: 3 per hour per IP.
Questions about pricing?
Contact us at: support@getchat9.live