PromptLayer Pricing 2026
Complete pricing guide for PromptLayer — plans, costs, and free options.
💰 PromptLayer Pricing Overview
PromptLayer uses a freemium pricing model. Free tier available with optional paid upgrades. Current pricing: Free $0/month — 5 users, 2.5k requests/month, 1 workspace, 10 prompts, 750 agent node executions/month, 250 eval cell executions/month, 10MB max dataset. Pro $49/month — same base limits plus unlimited playgrounds, unlimited prompts and workspaces, 150MB max dataset, pay-as-you-go at $0.003 per transaction. Team $500/month — 25 users, 100k+ requests/month, 10k+ agent node executions, 7.5k+ eval cell executions, 1GB max dataset, webhooks, pay-as-you-go at $0.002 per transaction. Enterprise is custom, adding RBAC, deployment approvals, HIPAA with BAA, flexible hosting, dedicated support and data-retention control.. PromptLayer is a popular ai agent infrastructure tool known for prompt cms, eval harness and observability stack that lets domain experts version and ship prompts without touching the codebase.. You can get started with PromptLayer for free and upgrade to a paid plan as your needs grow.
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🔍 Compare Before You Buy
See all 5 alternatives →Comparing PromptLayer to similar tools helps you make the best choice for your budget and needs:
PromptVault
FreemiumEdit production LLM prompts live, with versioning and one-click rollback
Free tier available ("Start free", no card mentioned). The pricing page renders its plan table client-side and returned no readable figures to a plain fetch.
Compare with PromptLayer →Lunary
FreemiumObservability and prompt management for LLM apps — event logs, traces, cost and latency tracking, versioned prompts and human review.
Free plan + paid from $20
Compare with PromptLayer →Mastra
FreemiumTypeScript agent framework with observability, evals, and cloud deployment, from the creators of Gatsby
Starting at The framework is open source and free. Hosted platform tiers exist on the pricing page but the tier table is rendered client-side and not readable from a plain fetch, so no figure is quoted here.
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PromptLayer Plans & Pricing
Free
$0/month — 5 users, 2.5k requests/month, 1 workspace, 10 prompts, 750 agent node executions/month, 250 eval cell executions/month, 10MB max dataset
Pro
Same base limits plus unlimited playgrounds, unlimited prompts and workspaces, 150MB max dataset, pay-as-you-go at $0.003 per transaction
Team
25 users, 100k+ requests/month, 10k+ agent node executions, 7.5k+ eval cell executions, 1GB max dataset, webhooks, pay-as-you-go at $0.002 per transaction
Enterprise
Is custom, adding RBAC, deployment approvals
* Pricing information is based on publicly available data and may not reflect current promotions, annual discounts, or regional pricing. Visit the official PromptLayer website for the latest pricing.
Is PromptLayer Free?
PromptLayer offers a free tier that lets you try the platform without any payment. The free plan typically includes core features with usage limits. For power users, paid plans unlock additional features, higher limits, and priority support.
Check PromptLayer pricing at the source
The breakdown above is our summary of PromptLayer's published pricing, not a quote. Plans, limits and what each tier includes change without notice — confirm on PromptLayer's own pages before you buy.
Official PromptLayer site ↗We do not represent PromptLayer and these links are not paid placements.
Is PromptLayer Worth It?
PromptLayer is a freemium ai agent infrastructure tool that offers 6 key features including Visual prompt registry with versioning and no-redeploy publishing, Dataset-backed regression tests and automated graders, Human review workflows before changes reach production. PromptLayer positions itself as the collaboration layer for AI engineering teams, built around a specific organisational problem: the people with the domain knowledge to write a good prompt are usually not the people with commit access. It provides a prompt registry with a visual editor, so subject-matter experts can edit, version, test and deploy prompts without touching the codebase or waiting on an application redeploy — the vendor's case studies describe curriculum designers at an education company compressing months of iteration into a week on exactly that basis. The second pillar is evaluation: dataset-backed regression tests, automated graders and human review runs, executed before a prompt or workflow change reaches production, so a prompt edit is gated the same way a code change would be. The third is observability, connecting production traces back to the specific prompt version that produced them and tracking cost, latency and token usage per version, which is what makes a regression diagnosable rather than merely visible. Together that is the prompt CMS, eval harness and observability stack most teams end up building internally. Reference customers include Gorgias, Speak and NoRedInk. Pricing scales from a free hacker tier through per-seat team plans to enterprise deployments, with pay-as-you-go transaction rates once included volume is exhausted, so a team can start on the free tier and grow into the same tooling rather than migrating off it.
✅ PromptLayer is a good choice if you need:
- •Visual prompt registry with versioning and no-redeploy publishing
- •Dataset-backed regression tests and automated graders
- •Human review workflows before changes reach production
- •Production traces linked back to the exact prompt version
- •Cost, latency and token usage tracked per version
💡 Value Assessment
With a free tier available, PromptLayer is an easy recommendation for anyone looking to try ai agent infrastructure tools without financial commitment. The paid plans offer good value for power users who need the additional features and higher usage limits.
PromptLayer Key Features
PromptLayer comes packed with features that make it a strong contender in the ai agent infrastructure space. Here's what you get:
Visual prompt registry with versioning and no-redeploy publishing helps you work more efficiently with PromptLayer.
Dataset-backed regression tests and automated graders helps you work more efficiently with PromptLayer.
Human review workflows before changes reach production helps you work more efficiently with PromptLayer.
Production traces linked back to the exact prompt version helps you work more efficiently with PromptLayer.
Cost, latency and token usage tracked per version helps you work more efficiently with PromptLayer.
Non-engineers can iterate without codebase access helps you work more efficiently with PromptLayer.
PromptLayer Alternatives & Their Pricing
Considering alternatives to PromptLayer? Here's how competing tools compare on pricing:
PromptVault
FreemiumEdit production LLM prompts live, with versioning and one-click rollback
Pricing: Free tier available ("Start free", no card mentioned). The pricing page renders its plan table client-side and returned no readable figures to a plain fetch.
Lunary
FreemiumObservability and prompt management for LLM apps — event logs, traces, cost and latency tracking, versioned prompts and human review.
Pricing: Free $0/mo for personal projects, no credit card — 10,000 events per month, 3 projects, 30 days log retention, 1 seat, 1 month history. Team $20 per user per month — 50,000 events included then $10 per additional 50k per month, AI Playground (1,000 queries/month then $0.05 per query), unlimited projects, 1 year history, up to 10 seats, custom dashboards, human reviews, topics and exports. Enterprise is custom, adding self-hosting, SSO/SAML, granular access control, PII masking, SOC 2 and ISO 27001 reports, a 99.9% SLA, data-warehouse connectors, audit papertrail and white labelling.
Mastra
FreemiumTypeScript agent framework with observability, evals, and cloud deployment, from the creators of Gatsby
Pricing: The framework is open source and free. Hosted platform tiers exist on the pricing page but the tier table is rendered client-side and not readable from a plain fetch, so no figure is quoted here.
Agnost AI
FreemiumAnalyzes production agent conversations to find the failures your evals miss, then proposes reviewed fixes
Pricing: The site offers a self-serve 'try now' entry point and docs but publishes no tier pricing as of July 2026, so cost above the trial is a sales conversation.
PromptHub
FreemiumGit-based prompt versioning, testing and deployment for teams, with a public prompt library
Pricing: Free is $0 with unlimited team members, unlimited public prompts, no private prompts, 2,000 requests/month, 10 prompt enhancements/month, limited API access and all other features. Pro is $12/month for a single user with unlimited public and private prompts, 10,000 requests/month, 200 enhancements/month and full API access. Team is $20/user/month adding unlimited team members, unlimited private prompts, 50,000 requests/month, 500 enhancements/month, team and user permissions and private Slack channel support. Enterprise is custom-quoted with SSO/SAML, SOC 2 (in progress), custom limits and roles, custom model support and dedicated support. Yearly billing saves 25%.
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Frequently Asked Questions
Is PromptLayer free to use?
Yes, PromptLayer offers a free tier that you can use without paying. Paid plans starting at $49/month unlock additional features and higher usage limits.
How much does PromptLayer cost in 2026?
As of 2026, PromptLayer pricing is: Free $0/month — 5 users, 2.5k requests/month, 1 workspace, 10 prompts, 750 agent node executions/month, 250 eval cell executions/month, 10MB max dataset. Pro $49/month — same base limits plus unlimited playgrounds, unlimited prompts and workspaces, 150MB max dataset, pay-as-you-go at $0.003 per transaction. Team $500/month — 25 users, 100k+ requests/month, 10k+ agent node executions, 7.5k+ eval cell executions, 1GB max dataset, webhooks, pay-as-you-go at $0.002 per transaction. Enterprise is custom, adding RBAC, deployment approvals, HIPAA with BAA, flexible hosting, dedicated support and data-retention control.. Pricing may vary based on billing cycle (monthly vs annual) and region. Visit the official PromptLayer website for the most current pricing.
What is the cheapest PromptLayer plan?
The cheapest option is the free tier. If you need premium features, the most affordable paid plan is Pro at $49/month.
Does PromptLayer offer enterprise pricing?
Yes, PromptLayer offers custom enterprise pricing with features like dedicated support, custom integrations, enhanced security, and volume discounts. Contact their sales team for a personalized quote.
What are the best alternatives to PromptLayer?
Popular alternatives to PromptLayer include PromptVault, Lunary, Mastra. Each offers different features and pricing structures. Compare them on AISO Tools to find the best fit for your needs and budget.
Is PromptLayer worth the price?
PromptLayer is well-regarded in the agent-infrastructure space, offering features like Visual prompt registry with versioning and no-redeploy publishing, Dataset-backed regression tests and automated graders, Human review workflows before changes reach production. Whether it's worth the investment depends on your specific needs, usage volume, and budget. The free tier lets you try it before committing to a paid plan.
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