Build, test, and shipAI prompts with confidence.
Your prompt stack, finally organized. Version every change, compare outputs, evaluate quality, and keep product and engineering aligned — without the spreadsheet chaos.
- Security-minded by design
- Built for cross-functional teams
- API-ready workflows
- v12 — tone guardrailslive
- v11 — stricter JSONstg
- v10 — fallback clausearchived
You are a careful assistant.
- Never invent order IDs.
- If unsure, ask one clarifying question.
User: {{user_message}}94.2
+2.1 vs v11
1.8k
Sam published v12
Jordan ran compare
Trusted by teams shipping AI in production
Prompts weren’t meant to live in docs and DMs
Most teams feel the same friction: invisible versions, flaky tests, and changes that break prod quietly.
Without a system
- Prompts scattered across Notion, Slack, and code comments
- Nobody knows which version is live in production
- Manual testing — inconsistent and easy to skip
- Silent regressions when someone “just tweaks the wording”
- Reviews and handoffs eat calendar time
With PromptLab
- Single source of truth for every prompt and version
- Clear publish history tied to environments
- Structured comparisons and evaluation hooks
- Audit trail: who changed what, and when
- Room for PM, eng, and ops in one workspace
Everything you need to run prompts like infrastructure
Opinionated workflows for teams that care about quality, not chaos.
Prompt versioning
Immutable history with notes, rollback, and environment-aware publishing.
Output comparison
Side-by-side runs so you can see regressions before users do.
Evaluations
Score outputs and gate changes with structured checks — not vibes.
Experiment tracking
Keep experiments attached to prompts instead of orphaned spreadsheets.
Team collaboration
Roles, invitations, and shared context across product and engineering.
Prompt history
Diff-friendly timelines for every meaningful edit.
Observability hooks
Connect runs to how prompts behave in staging and production.
Variables & templates
Reusable structure so prompts stay consistent at scale.
Version every prompt change
Treat prompts like code: branches, notes, and clear ownership. Roll forward or roll back without guessing which string is in prod.
- Rich version notes and searchable history
- Compare any two versions in seconds
- Publish with confidence across environments
Compare outputs side by side
Stop eyeballing two chat windows. Run the same inputs against different versions and see deltas that actually matter.
- Structured diff views for long prompts
- Capture latency and token signals per run
- Shareable links for async review
v11 out
“Your order is preparing…”
v12 out
“Here’s the live tracking link…”
Evaluate quality before shipping
Hook in scoring, human review, or automated checks so “good enough” is defined — not debated in a thread.
- Define pass/fail criteria per prompt
- Track scores across versions over time
- Catch regressions in CI-style workflows
Quality score
91
Threshold: 88 — pass
Track what changed and why
Audit logs and activity timelines connect people to decisions. When something breaks, you know where to look first.
- Organization and folder-level visibility
- API key and member events in one place
- Answers for compliance and postmortems
audit · prompt · publish
sam@ published v12 → production
policy approved change notes
Collaborate across product and engineering
PMs define intent, engineers ship implementation, and everyone sees the same prompt state — no more screenshots.
- Workspaces built for multi-team alignment
- Invite flow for contractors and partners
- Permissions that match how you already work
PM + Eng
same workspace · same truth
Numbers teams like to see on a Monday
Placeholder highlights — swap for your real metrics anytime.
10k+
prompt runs tracked in internal pilots
40%
faster iteration cycles vs. doc-based workflows
99.9%
visibility into version and publish history
3×
faster reviews when comparisons are built-in
How teams ship with PromptLab
A tight loop from draft to production — without losing the plot.
Create & organize
Structure prompts in folders with clear ownership and slugs.
Test & compare
Run outputs, diff versions, and capture what changed.
Evaluate & approve
Apply scores or checklists before anything touches users.
Ship & monitor
Publish to environments and trace issues with audit context.
Plays nicely with your stack
Model-agnostic workflows. Bring your providers, keys, and internal tools.
What operators say
“We finally stopped asking ‘which prompt is in prod?’ in every standup. The version timeline paid for itself in week one.”
“Product can propose copy changes without filing tickets into the void. Engineers keep control of publish and rollback.”
“It’s the first tool that respects how messy real prompt work is — without forcing us into a rigid LMS we’d outgrow.”
Simple pricing
Start small. Grow into enterprise controls when you need them.
Starter
For individuals exploring structured prompts.
$0/ month
- 1 organization
- Core versioning
- Community support
Pro
For teams shipping AI features weekly.
$49/ seat / month
- Unlimited prompts & versions
- Comparisons & evaluations
- Priority email support
Enterprise
For regulated teams and scale deployments.
Custom
- SSO / SAML
- Advanced audit & retention
- Dedicated success engineer
Questions, answered
What is PromptLab?
A prompt management platform for teams: organize prompts, version changes, compare outputs, and run evaluations in one workspace.
Who is it for?
Product managers, AI engineers, and platform teams who ship LLM features and need clarity across environments.
Can teams collaborate?
Yes. Invite members, assign roles, and keep a shared audit trail so changes are visible — not buried in chat.
Do you support version history?
Every meaningful save is tracked with notes. Diff views help you understand exactly what changed between versions.
Can we test prompts before production?
Use comparisons and evaluation hooks to validate behavior before you publish to a production environment.
Is there an API?
Yes. Automate reads and integrations with API keys scoped to your organization.
Enterprise or self-hosting?
Enterprise plans add security and compliance-oriented controls. Contact sales for deployment options that fit your policy.
Reliable AI releases start with reliable prompts
Give your team a serious workflow — without the enterprise bloat.