PromptLayer
A logging service that tracks prompts and API requests for debugging and replay
- Also known as
- promptlayer
Available worldwide · Popular in: US, EU
What is PromptLayer?
A platform that maintains logs of prompts and API requests, enabling debugging and replay of previous completions. Provides version tracking, testing, and monitoring with integrated tracing and evaluation features.
PromptLayer pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
Free tier available. Pro starts at $49/month, Team at $500/month, both with usage-based billing ($0.002–$0.003 per transaction). Enterprise custom pricing.
Free
Freefor hackers
- users
- 5
- requests
- 2.5k/month
- dataset_size
- 10MB
- eval_executions
- 250/month
- 5 Users
- 2.5k/month Requests
- 1 Workspace
- 250/month Eval Cell Executions
- 10MB max per Dataset
- Basic Support
Pro
for small teams
- workspaces
- Unlimited
- playgrounds
- Unlimited
- dataset_size
- 150MB
- Unlimited Playgrounds
- Unlimited Workspaces
- 150MB max per Dataset
- Webhooks Included
- Dedicated Support
Team
for growing teams
- users
- 25
- requests
- 100k+/month
- dataset_size
- 1GB
- eval_executions
- 7.5k+/month
- 25 Users
- 100k+/month Requests
- 7.5k+/month Eval Cell Executions
- 1GB max per Dataset
- Webhooks Included
- Role Based Access Controls
- Dedicated Support
Enterprise
Contact sales- Custom limits on everything
- Role Based Access Controls
- Deployment Approvals
- HIPAA with BAA
- Flexible Hosting Options
- Dedicated Support
- Data Retention Control
What PromptLayer does
The capabilities that matter for prompt management, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Versioning model
- Git native
- Diff and rollback
- ✓
- Deploy without redeploy
- ✓
- Non engineer editing
- ✓
- Multi model playground
- ✓
- Ab testing
- ✓
- LLM judge or human eval
- ✓
- Multi step flows
- ✓
- Approval workflow
- ✓
- Tracing included
- ✓
- Self hostable
- ✓
- Deployment model
- Managed SaaS
- Pricing model
- Usage/seat based saas
Platform & deployment
Independently observed- Web
- Cloud / SaaS
Integrations (9)
Independently observed- Pydantic AI
- OpenAI
- Anthropic
- Google GenAI
- AWS Bedrock
- OpenTelemetry
- Azure OpenAI
- Vertex AI
- Gemini API⇄•
PromptLayer FAQ
Common questions about PromptLayer, answered from independent, dated evidence.
What is PromptLayer?
A service that records interactions with various LLM providers, allowing developers to review past requests, troubleshoot issues, and restore previous prompt configurations. Includes distributed tracing, version control, regression testing, and automated evaluation for prompts and AI agents. It is indexed under Prompt Management.
Source: https://promptlayer.com
Is PromptLayer free?
PromptLayer offers a free tier, so you can start without paying. Paid plans start at $0.00. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.
What platforms does PromptLayer support?
We have confirmed browser-based access to PromptLayer. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.
Source: https://promptlayer.com
Can PromptLayer be self-hosted?
We have only confirmed a cloud / SaaS deployment for PromptLayer, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.
Source: https://promptlayer.com
What does PromptLayer integrate with?
We have confirmed 8 integrations for PromptLayer, including Pydantic AI, OpenAI, Anthropic, Google GenAI, AWS Bedrock, OpenTelemetry, Vertex AI and Gemini API. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://promptlayer.com
What security certifications does PromptLayer have?
We have independently confirmed SOC 2, HIPAA and GDPR for PromptLayer. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as PromptLayer not holding them. Always confirm compliance directly before you rely on it.
Where is PromptLayer available?
PromptLayer is available worldwide. Its primary markets are the United States and the EU. The vendor is headquartered in the United States.
PromptLayer alternatives
Other prompt management we track, ranked by the same independent score.
- AWS Bedrock Prompt ManagementA managed cloud platform for building and deploying generative AI applications using multiple foundation models with built-in customization and enterprise securhigh · 75%
- Orq.aiA unified gateway for routing AI requests across hundreds of models with built-in observability, cost tracking, and governance controls.medium · 74%
- PromptHubA collaborative platform for managing, testing, and deploying AI prompts across teamslow · 25%
- PromptfooOpen-source CLI for testing and securing language model applicationslow · 22%
- LatitudeAutomated observability and fixing for AI agentslow · 22%
- VellumA personal AI assistant that runs on your device and takes real actions across your apps and fileslow · 35%
Compare PromptLayer
Side by side against other prompt management, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for PromptLayer, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Security posture | 55 | 0.12 | 6.7 | ✓ |
| Pricing transparency | 100 | 0.05 | 5.4 | ✓ |
| Capabilities | 100 | 0.04 | 3.8 | ✓ |
| Price level | 50 | 0.04 | 2.1 | ✓ |
| Integrations | 22 | 0.04 | 1.0 | ✓ |
| Reliability | 0 | 0.07 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 7 items | mediumsource · 2026-09-10 · 62% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Caching: exact · Ab testing: Yes · Open source: Yes · Pricing model: usage/seat-based-saas · Rate limiting: Yes · Self hostable: Yes | mediumsource · 2026-10-02 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 5 | mediumsource · 2026-10-02 · 60% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | HqCountry: US · PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-08-21 · 75% |
Pricing
Security
Is PromptLayer the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank PromptLayer against the rest of the prompt management we index, using the same dated evidence weighted your way.
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