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SOFTWARE PROFILE
PromptLayer
Version prompts, test AI outputs and trace production requests together
THE OVERVIEW
What is PromptLayer?
PromptLayer helps engineering teams and domain specialists manage the prompts behind AI applications in a shared visual workspace. Instead of keeping prompt text only in application code, teams can store templates in a registry, compare versions and use release labels to choose which version an application retrieves. Domain experts can edit and test prompts without making an application deployment themselves. Dataset-backed evaluations let a team compare models, replay historical examples and check a new prompt before releasing it. Production request logs connect outcomes to their prompt versions, with traces and cost, latency and token metrics for investigating failures. This makes it useful for teams maintaining AI support agents, structured-generation workflows or other applications where a prompt change needs a repeatable review process. It is infrastructure for building and operating AI features rather than a ready-made general-purpose chatbot; usage allowances, evaluation limits and transaction overages differ by plan.
A shared prompt registry, evaluation workspace and tracing platform for teams building AI applications, with visual version control and usage-based plan limits.
AT A GLANCE
Capabilities and use cases
Dataset-backed evaluations
Run prompts against representative datasets and historical examples, compare models and review scorecards. Regression tests and automated or human grading help teams inspect changes before release.
Prompt registry and release labels
Keep prompt templates outside application code with version history and release labels. Engineers and domain specialists can compare changes and promote or roll back versions through the visual workflow.
Request tracing and usage analytics
Inspect production requests and spans alongside their prompt versions and metadata. Track token use, cost and latency to investigate slow or unsuccessful AI workflows.
SOURCES & TRANSPARENCY
Official sources
We link to the original product source so you can verify current availability, pricing, and features.
The official homepage presents a visual prompt CMS, evaluation harness and agent observability, and links to its browser dashboard. Engineers and domain experts can collaborate on prompts, test changes and inspect production requests.officialThe official prompt-management page documents version history, template diffs, release labels, visual editing, rollback, model-agnostic templates and A/B testing. Prompt changes can be managed separately from application releases.documentationThe official evaluations page describes dataset-driven tests, historical backtests, regression triggers, model comparison and scorecards using automated checks and human grading.documentationThe official observability page documents request and span inspection, prompt-specific metadata, token usage, cost and latency monitoring, with links between production requests and prompt versions.documentationThe current official pricing page lists Free at $0/month with five users, one workspace, 2500 monthly requests and 250 monthly evaluation-cell executions. Pro is $49/month plus transaction overages, Team $500/month plus overages, and Enterprise is custom. Free, Pro and Team are US cloud hosted; Entepricing
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