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PromptLayer pricing

PromptLayer starts at $0/mo and has a free tier, with self-serve signup.

Last checked 2026-08-23. Verify on the vendor's own page before you commit spend.

Plans

PlanPriceIncluded
Free$0 per month2.5k/month Requests, 5 Users, 1 Workspace, 250/month Eval Cell Executions, 10MB max per Dataset
Pro$49 per monthSame limits as Free plus Unlimited Playgrounds, Unlimited Workspaces, 150MB max per Dataset, Pay-as-you-go ($0.003 per txn)
Team$500 per month25 Users, 100k+/month Requests, 7.5k+/month Eval Cell Executions, 1GB max per Dataset, Pay-as-you-go ($0.002 per txn)
EnterpriseCustomCustom limits on everything, Role Based Access Controls, Deployment Approvals, HIPAA with BAA, Flexible Hosting Options, Dedicated Support, Data Retention Control

The Free plan at $0 per month covers 2.5k/month Requests, 5 Users, 1 Workspace, 250/month Eval Cell Executions, 10MB max per Dataset, which is where an agent would start. The top plan (Enterprise) is quoted rather than listed, so anything at that volume goes through a person.

Can an agent buy this on its own?

A price is only half the question. The other half is whether software can get from landing on the site to making a paid call without a person, which is what the AgentReady measures under adopt.

For PromptLayer, it can create an account itself; API credentials can be created over the API.

Against that, a sales call gates access; the signup flow assumes a human at a browser. Each of those is a point where an unattended run stops and waits for a human.

That works out to 65/100 on adopt, against 83/100 overall.

What you are paying for

The collaboration layer for AI engineering teams. The prompt CMS, eval harness, and observability stack you'd build eventually — shipped today. Let domain experts collaborate without touching your codebase.

Next

PromptLayer's full agent-readiness profile breaks down all 41 signals. Alternatives to PromptLayer ranks what else does the same job.

An agent can fetch this as data: GET /v1/pricing?domain=promptlayer.com

For AI agents

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