Limits & pricing
Instances created after April 16, 2026 include built-in storage, a built-in vector index, and web crawling. You can see if your instance was created after the new release by checking if it has built-in storage and vector index. You can check by going on the dashboard under AI > AI Search. Select your instance and check the Overview tab to see if it includes built-in storage and built-in vector database.
If your instance was created after April 16, 2026, it includes built-in storage, a built-in vector index, and web crawling. During the open beta, AI Search is free within the limits below. Workers AI and AI Gateway usage is billed separately. Pricing details will be communicated at least 30 days before any billing begins.
The following limits apply based on your Workers plan:
| Limit | Workers Free | Workers Paid |
|---|---|---|
| AI Search instances per account | 100 | 5,000 |
| Files per instance | 100,000 | 1M or 500K for hybrid search |
| Max file size | 4 MB | 4 MB |
| Queries per month | 20,000 | Unlimited |
| Maximum pages crawled per day | 500 | Unlimited |
| Max custom metadata fields | 5 per AI Search instance | 5 per AI Search instance |
| Max text metadata value length | 500 characters | 500 characters |
If your instance was created before April 16, 2026, it provisions and runs on top of Cloudflare services in your account. AI Search is free to enable. You are billed for the underlying services it provisions on your account:
| Service | Description |
|---|---|
| R2 | Stores your source data |
| Vectorize | Stores vector embeddings and powers semantic search |
| Workers AI | Handles embedding, query rewriting, and response generation |
| AI Gateway | Monitors and controls model usage |
| Browser Run | Loads dynamic JavaScript content during website crawling |
The following limits apply to these instances:
| Limit | Value |
|---|---|
| Max AI Search instances per account | 100 |
| Max files per AI Search | 1,000,000 |
| Max file size | 4 MB |
| Max custom metadata fields | 5 per AI Search instance |
| Max text metadata value length | 500 characters |
All instances will be migrated to managed infrastructure. Migration details are coming soon.
For more information about how each service is used, refer to How AI Search works.