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triggerdotdev--trigger.dev/docs/limits.mdx
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James Ritchie fade22015f Docs – v4 GA updates (#2298) 
* Adds new features table to top of v4 upgrade guide

* Adds wait idempotency to wait-until, wait-for, and wait-for-token pages

* Adds new priority docs page and updates the v4 upgrade guide

* Adds new task lifecycle hooks

* Removes the message about requiring tasks to be exported

* Adds new global lifecycle hooks section

* Moves sections from upgrade guide into the table

* Adds hidden task page

* Improves the global lifecycle hooks section

* Updates middleware and locals section

* Adds new useWaitToken page to the react hooks section

* Adds a new ai.tool section

* Moves Docker (legacy) page into self-hosting section

* Removes known issues from v4 upgrade guide

* Replace “toolTask” with “ai.tool” in the Streams page example

* Renames guide to “Migrating from v3” and adds redirect

* Remove references to v4

* Removes changelog from migration guide

* The installation guide now references `@latest update`

* Changes all references from `/sdk/v3` to `/sdk`

* Updates @v4-beta to @latest

* Fixed broken link

* Fixes broken link

* Adds an upgrade to v4 using AI section

* Fixes 2 broken links

* Adds an entry for targetting preview branches

* Updates the run statuses

* Adds boolean helpers section to the runs and realtime pages

* Updates the concurrency page

* Updates the test page to include the new options

* Adds SDK and curl options for the preview branch targeting

* Updates new bulk actions page

* Remove the releasing concurrency section

* Got rid of some more @v4-beta mentions

* Improved rate limit docs

* Improved migrating docs

* Removed commented sections of the docs

* useWaitToken hook

* Fixed the description

* Fix for missing test image

---------

Co-authored-by: Matt Aitken <matt@mattaitken.com>
Co-authored-by: Dan <8297864+D-K-P@users.noreply.github.com>
2025-08-18 12:34:55 +01:00

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---
title: "Limits"
description: "There are some hard and soft limits that you might hit."
---
import RateLimitHitUseBatchTrigger from "/snippets/rate-limit-hit-use-batchtrigger.mdx";
## Concurrency limits
| Pricing tier | Limit |
| :----------- | :------------------- |
| Free | 10 concurrent runs |
| Hobby | 25 concurrent runs |
| Pro | 100+ concurrent runs |
Additional bundles above the Pro tier are available for $50/month per 50 concurrent runs. Contact us via [email](https://trigger.dev/contact) or [Discord](https://trigger.dev/discord) to request more.
## Rate limits
Generally speaking each SDK call is an API call.
| Limit | Details |
| :---- | :------------------------ |
| API | 1,500 requests per minute |
You can request a higher rate limit from us if you're on a paid plan.
<RateLimitHitUseBatchTrigger />
## Queued tasks
The number of queued tasks by environment.
| Limit | Details |
| :------ | :----------------- |
| Dev | At most 500 |
| Staging | At most 10 million |
| Prod | At most 10 million |
## Schedules
| Pricing tier | Limit |
| :----------- | :----------------- |
| Free | 10 per project |
| Hobby | 100 per project |
| Pro | 1,000+ per project |
Additional bundles above the Pro tier are available for $10/month per 1,000 schedules. Contact us via [email](https://trigger.dev/contact) or [Discord](https://trigger.dev/discord) to request more.
When attaching schedules to tasks we strongly recommend you add them [in our dashboard](/tasks/scheduled#attaching-schedules-in-the-dashboard) if they're "static". That way you can control them easily per environment.
If you add them [dynamically using code](/management/schedules/create) make sure you add a `deduplicationKey` so you don't add the same schedule to a task multiple times. If you don't your task will get triggered multiple times, it will cost you more, and you will hit the limit.
If you're creating schedules for your user you will definitely need to request more schedules from us.
## Preview branches
| Pricing tier | Limit |
| :----------- | :------------------- |
| Free | Not available |
| Hobby | 5 preview branches |
| Pro | 20+ preview branches |
Additional bundles above the Pro tier are available for $10/month per preview branch. Contact us via [email](https://trigger.dev/contact) or [Discord](https://trigger.dev/discord) to request more.
## Realtime connections
| Pricing tier | Limit |
| :----------- | :-------------------------- |
| Free | 10 concurrent connections |
| Hobby | 50 concurrent connections |
| Pro | 500+ concurrent connections |
Additional bundles are available for $10/month per 100 concurrent connections. Contact us via [email](https://trigger.dev/contact) or [Discord](https://trigger.dev/discord) to request more.
## Task payloads and outputs
| Limit | Details |
| :--------------------- | :-------------------------------------------- |
| Single trigger payload | Must not exceed 3MB |
| Batch trigger payload | The total of all payloads must not exceed 5MB |
| Task outputs | Must not exceed 10MB |
Payloads and outputs that exceed 512KB will be offloaded to object storage and a presigned URL will be provided to download the data when calling `runs.retrieve`. You don't need to do anything to handle this in your tasks however, as we will transparently upload/download these during operation.
## Batch size
A single batch can have a maximum of 500 items.
<SoftLimit />
## Log retention
| Pricing tier | Limit |
| :----------- | :------ |
| Free | 1 day |
| Hobby | 7 days |
| Pro | 30 days |
## Log size
We limit the size of logs to prevent oversized data potentially causing issues.
<Expandable title="log limits">
#### Attribute Limits
- Span Attribute Count Limit: 256
- Log Attribute Count Limit: 256
- Span Attribute Value Length Limit: 131072 characters
- Log Attribute Value Length Limit: 131072 characters
#### Event and Link Limits
- Span Event Count Limit: 10
- Link Count Limit: 2
- Attributes per Link Limit: 10
- Attributes per Event Limit: 10
#### I/O Packet Length Limit
128 KB (131,072 bytes)
#### Attribute Clipping Behavior
- Attributes exceeding the value length limit (1028 characters) are discarded.
- If the total number of attributes exceeds 256, additional attributes are not included.
#### Attribute Value Size Calculation
- Strings: Actual length of the string
- Numbers: 8 bytes
- Booleans: 4 bytes
- Arrays: Sum of the sizes of all elements
- Undefined or null: 0 bytes
</Expandable>
## Alerts
An alert destination is a single email address, Slack channel, or webhook URL that you want to send alerts to.
| Pricing tier | Limit |
| :----------- | :---------------------- |
| Free | 1 alert destination |
| Hobby | 3 alert destinations |
| Pro | 100+ alert destinations |
If you're on the Pro plan and need more than the plan limit, you can request more by contacting us via [email](https://trigger.dev/contact) or [Discord](https://trigger.dev/discord).
## Machines
The default machine is `small-1x` which has 0.5 vCPU and 0.5 GB of RAM. You can optionally configure a higher spec machine which will increase the cost of running the task but can also improve the performance of the task if it is CPU or memory bound.
See the [machine configurations](/machines#machine-configurations) for more details.
## Team members
| Pricing tier | Limit |
| :----------- | :--------------- |
| Free | 5 team members |
| Hobby | 5 team members |
| Pro | 25+ team members |
Additional seats are available for $20/month per seat. Contact us via [email](https://trigger.dev/contact) or [Discord](https://trigger.dev/discord) to request more.
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