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Your AI prompts. Organized. Versioned. Shipped.

Promptly is the prompt management layer your AI workflow is missing. Organize, version, and collaborate on prompts across GPT, Claude, and Gemini without losing your best work in a Notion doc.

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Promptly Features

Trusted by AI builders worldwide shipping faster every day

Trusted by AI builders worldwide shipping faster every day

Promptly is used by solo developers, AI-first startups, and product teams who are done losing prompts in Slack threads and messy docs. From GPT wrappers to enterprise LLM pipelines, they ship better AI products with Promptly.

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Promptly Features

Everything your team needs to ship better AI faster

Everything your team needs to ship better AI faster

Everything your team needs to ship better AI faster

Promptly brings structure to your most valuable AI asset: the prompts. Version them, test them, collaborate on them, and never lose a breakthrough prompt again.

v7.2
Persona rewritelatest
v6.9
Tone softenedstable
v6.3
Added JSON schema
v5.8
Context window fix
v5.1
Blog post outlinefork
v4.7
Role prompt refactor
v4.2
Cold email sequence
Prompt Library with full version history

Every prompt you write is saved, versioned, and searchable. Roll back to any version. Fork and iterate without fear.

Multi-model testing in one click

Run the same prompt across GPT-4o, Claude 3.5, and Gemini 1.5 side by side. Pick the winner. Ship it.

system-prompt.md
1You are a helpful assistant.
2Answer in a clear, concise, and friendly tone.
3Use examples when helpful.
4Structure your response with Markdown.
5If unsure, say you don't know.
6Avoid filler words and overly long explanations.
7Ask clarifying questions when needed.
8Include relevant code or snippets when useful.
9Keep responses accurate and up to date.
10Focus on actionable, practical advice.
Ana
Mark
You
Ana
Mark
You
10 lines
Real-time team collaboration

Comment, suggest edits, and review prompts together. No more prompt ownership silos.

Deploy prompts via API anywhere

Pull any prompt directly into your app or pipeline via REST API. One endpoint. All your prompts. Always in sync.

workflow

How Promptly Works

How Promptly Works

How Promptly Works

From raw idea to deployed prompt in three steps.
No spreadsheets, no Notion chaos, no lost context.

From raw idea to deployed prompt in three steps. No spreadsheets, no Notion chaos, no lost context.

Get Early Access

01

Write and organize your prompts

Create prompts in any language, for any model. Tag them by project, use case, or AI tool. Your library grows with you, fully searchable from day one.

02

Test across GPT, Claude, and Gemini

Run any prompt side by side across all major models. Compare outputs, score them, pick the winner. No more copy-pasting into five tabs.

03

Deploy via API and ship to production

Pull any prompt into your app or pipeline via REST API. Version it, update it live, and never redeploy just to fix a prompt again.

testimonials

What Our Customers Say

What Our Customers Say

What Our Customers Say

Hear from our incredible customers who are building at lightning speed.

Get Early Access

  • We went from losing prompts in Slack to having a versioned library in one afternoon. Promptly is now the single source of truth for every AI feature we ship.

    Marcus Holt

    Head of AI, Vercel

  • I used to rewrite the same system prompt four times a week because I couldn't find the last version. Promptly fixed that on day one. Game changer for solo builders.

    Priya Nair

    Indie Developer

  • Our QA team and our ML team finally speak the same language. We review prompts like we review code — with diffs, comments, and approvals. Promptly made that possible.

    Tobias Wen

    ML Lead, Linear

  • The API deployment feature alone saved us two sprints. We update prompts without touching the codebase. Our devs are genuinely happy about this.

    Sofia Andersson

    CTO, Draftly

  • We went from losing prompts in Slack to having a versioned library in one afternoon. Promptly is now the single source of truth for every AI feature we ship.

    Marcus Holt

    Head of AI, Vercel

  • I used to rewrite the same system prompt four times a week because I couldn't find the last version. Promptly fixed that on day one. Game changer for solo builders.

    Priya Nair

    Indie Developer

  • Our QA team and our ML team finally speak the same language. We review prompts like we review code — with diffs, comments, and approvals. Promptly made that possible.

    Tobias Wen

    ML Lead, Linear

  • The API deployment feature alone saved us two sprints. We update prompts without touching the codebase. Our devs are genuinely happy about this.

    Sofia Andersson

    CTO, Draftly

  • We went from losing prompts in Slack to having a versioned library in one afternoon. Promptly is now the single source of truth for every AI feature we ship.

    Marcus Holt

    Head of AI, Vercel

  • I used to rewrite the same system prompt four times a week because I couldn't find the last version. Promptly fixed that on day one. Game changer for solo builders.

    Priya Nair

    Indie Developer

  • Our QA team and our ML team finally speak the same language. We review prompts like we review code — with diffs, comments, and approvals. Promptly made that possible.

    Tobias Wen

    ML Lead, Linear

  • The API deployment feature alone saved us two sprints. We update prompts without touching the codebase. Our devs are genuinely happy about this.

    Sofia Andersson

    CTO, Draftly

  • Promptly is what happens when prompt engineering gets treated like real engineering. Version history, team review, API access. We've cut our LLM iteration time by 60%.

    Amara Osei

    Product Lead, Fathom

  • I run a small AI agency. Before Promptly I had client prompts scattered across docs, emails, and Notion. Now I have one library I can actually maintain. Clients love the transparency.

    James Carvalho

    Founder, Lumio AI

  • The multi-model comparison is worth the price alone. I stopped guessing which model handles my use case best and started actually measuring. My Claude prompts improved 40% in a week.

    Yuki Tanaka

    AI Engineer, Stripe

  • Onboarding new engineers used to mean explaining every prompt from scratch. Now I share a Promptly workspace and they're productive in hours. The documentation writes itself.

    Claudia Reyes

    VP Engineering, Superflow

  • Promptly is what happens when prompt engineering gets treated like real engineering. Version history, team review, API access. We've cut our LLM iteration time by 60%.

    Amara Osei

    Product Lead, Fathom

  • I run a small AI agency. Before Promptly I had client prompts scattered across docs, emails, and Notion. Now I have one library I can actually maintain. Clients love the transparency.

    James Carvalho

    Founder, Lumio AI

  • The multi-model comparison is worth the price alone. I stopped guessing which model handles my use case best and started actually measuring. My Claude prompts improved 40% in a week.

    Yuki Tanaka

    AI Engineer, Stripe

  • Onboarding new engineers used to mean explaining every prompt from scratch. Now I share a Promptly workspace and they're productive in hours. The documentation writes itself.

    Claudia Reyes

    VP Engineering, Superflow

  • Promptly is what happens when prompt engineering gets treated like real engineering. Version history, team review, API access. We've cut our LLM iteration time by 60%.

    Amara Osei

    Product Lead, Fathom

  • I run a small AI agency. Before Promptly I had client prompts scattered across docs, emails, and Notion. Now I have one library I can actually maintain. Clients love the transparency.

    James Carvalho

    Founder, Lumio AI

  • The multi-model comparison is worth the price alone. I stopped guessing which model handles my use case best and started actually measuring. My Claude prompts improved 40% in a week.

    Yuki Tanaka

    AI Engineer, Stripe

  • Onboarding new engineers used to mean explaining every prompt from scratch. Now I share a Promptly workspace and they're productive in hours. The documentation writes itself.

    Claudia Reyes

    VP Engineering, Superflow

  • We built our entire customer support AI on top of Promptly's API. Every prompt update goes live in seconds. No deploys. No PRs. Just better answers for our users.

    Daniel Park

    Founder, Helply

  • I manage prompts for three different client projects. Promptly keeps them cleanly separated, versioned, and shareable. It's saved me hours every single week.

    Nina Kovacs

    AI Consultant

  • Switched from a spreadsheet to Promptly in a day. My team stopped asking 'which prompt is the latest one' and started shipping. That question alone was costing us real time.

    Rajan Mehta

    Co-Founder, Brevi

  • Promptly gives you the discipline to treat prompts like production assets. Fork, test, rollback. It's brought real engineering culture to our AI work.

    Lena Fischer

    Staff Engineer, Notion

  • We built our entire customer support AI on top of Promptly's API. Every prompt update goes live in seconds. No deploys. No PRs. Just better answers for our users.

    Daniel Park

    Founder, Helply

  • I manage prompts for three different client projects. Promptly keeps them cleanly separated, versioned, and shareable. It's saved me hours every single week.

    Nina Kovacs

    AI Consultant

  • Switched from a spreadsheet to Promptly in a day. My team stopped asking 'which prompt is the latest one' and started shipping. That question alone was costing us real time.

    Rajan Mehta

    Co-Founder, Brevi

  • Promptly gives you the discipline to treat prompts like production assets. Fork, test, rollback. It's brought real engineering culture to our AI work.

    Lena Fischer

    Staff Engineer, Notion

  • We built our entire customer support AI on top of Promptly's API. Every prompt update goes live in seconds. No deploys. No PRs. Just better answers for our users.

    Daniel Park

    Founder, Helply

  • I manage prompts for three different client projects. Promptly keeps them cleanly separated, versioned, and shareable. It's saved me hours every single week.

    Nina Kovacs

    AI Consultant

  • Switched from a spreadsheet to Promptly in a day. My team stopped asking 'which prompt is the latest one' and started shipping. That question alone was costing us real time.

    Rajan Mehta

    Co-Founder, Brevi

  • Promptly gives you the discipline to treat prompts like production assets. Fork, test, rollback. It's brought real engineering culture to our AI work.

    Lena Fischer

    Staff Engineer, Notion

Pricing

Simple, transparent pricing

Simple, transparent pricing

Start free, upgrade when your team is ready. No hidden fees, no lock-in, no surprises.

Starter

Perfect for solo developers and indie builders getting started with prompt management.


$19

per month, billed annually

Up to 100 saved prompts

GPT, Claude, Gemini support

Full version history

1 workspace

Community support

Get it now

Recommended

Pro

For teams shipping AI products who need collaboration, API access, and serious prompt governance.

$49

per month, billed annually

Unlimited prompts

REST API access

Up to 10 team members

Multi-model testing

Priority email and chat support

Get it now

FAQ

You asked, we answered

You asked, we answered

Everything you need to know about Promptly before you get started.

What is Promptly?
Do I need to know how to code to use Promptly?
Which AI models does Promptly support?
How does the REST API work?
Is my prompt data private and secure?
Can I try Promptly before paying?

Still have questions? We're happy to help.

Get in Touch

Time to act is now

Stop losing your best prompts. Start shipping better AI.

Trusted by AI builders
shipping faster every day

Stop losing your best prompts. Start shipping better AI.

Join thousands of AI builders who version, test, and deploy prompts with Promptly. Get early access today — free to start, no credit card required.

Get Early Access

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