Free
Free
Free tier
- Users
- Up to 5
- Requests
- 2.5k per month
Finding the possibilities
PromptLayer
● Identity checkedAssistant · Vendor site 2026-10-04
PromptLayer is a prompt management platform for AI engineering teams. It provides a visual prompt registry, dataset-backed evaluations, and production observability so product and domain experts can iterate on prompts without redeploying application code.
- Category
- Assistant
- Free access
- Free plan includes 5 users, 2.5k requests per month, 1 workspace, 250 eval cell executions per month, and 10MB max per dataset
- API access
- Documentation covers PromptLayer SDKs, REST API reference, and MCP server integration for programmatic prompt and eval workflows
Is PromptLayer right for you?
A good fit for
AI product and engineering teams that need versioned prompts, regression evals, and traceability between production runs and prompt versions.
Before you choose
Free tier caps prompts at 10, agent node executions at 750 per month, and playground runs at 10 per day; higher limits require paid plans.
Collaboration layer for AI teams
PromptLayer combines a prompt CMS, eval harness, and observability stack so domain experts can edit prompts while engineers keep production visibility.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Prompt registry | Marketing site positions PromptLayer as a prompt CMS with visual editing, versioning, and release labels. | Facts sourced | 2026-10-04 |
| Evaluations | Pricing and product pages highlight dataset-backed evals and regression testing before production deploys. | Facts sourced | 2026-10-04 |
| Observability | Homepage describes connecting production traces to prompt versions with cost, latency, and token usage. | Facts sourced | 2026-10-04 |
Understand the total cost
PromptLayer pricing & plans
Pro
$49.00 /mo
Monthly subscription
- Workspaces
- Unlimited
- Datasets
- Up to 150MB each
Team
$500.00 /mo
Monthly subscription
- Users
- 25 included
- Requests
- 100k+ per month
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Frequently asked questions
What hosting options do you offer?
Free, Pro, and Team are cloud-hosted in the US. Enterprise customers can choose self-hosted, EU-hosted, or single-tenant deployments.
What if I exceed usage thresholds?
Additional usage is charged per transaction for requests, agent runs, and evaluation cell runs according to your plan overage rate.
What is PromptLayer used for?
PromptLayer is a prompt management platform for AI engineering teams. It provides a visual prompt registry, dataset-backed evaluations, and production observability so product and domain experts can iterate on prompts without redeploying application code.
Does PromptLayer have a free plan?
Free plan includes 5 users, 2.5k requests per month, 1 workspace, 250 eval cell executions per month, and 10MB max per dataset. This record lists ongoing free access; check the plan limits before starting.
How much does PromptLayer cost?
The listed monthly price is $49.00 USD at monthly billing. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use PromptLayer through an API?
Documentation covers PromptLayer SDKs, REST API reference, and MCP server integration for programmatic prompt and eval workflows. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Free tier caps prompts at 10, agent node executions at 750 per month, and playground runs at 10 per day; higher limits require paid plans.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.