Startup profile for PromptLayer: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.

Startup profile · funding coverage

PromptLayer funding, valuation and investors

Prompt management, evaluation, and governance platform for production LLM applications.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Seed

$4.8M · February 2025

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$4.8M

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

private

seed · New York, New York

Investors in latest funding

Lead: ScOp Venture Capital

Sources: latest funding Last verified: 2026-07-25

Overview

Prompt management, evaluation, and governance platform for production LLM applications. PromptLayer's $4.8M seed reflects investor interest in LLM ops layers — teams need eval, testing, and production prompt governance beyond raw API calls. See fundraising history for verified round details.

Why PromptLayer is interesting

PromptLayer's $4.8M seed reflects investor interest in LLM ops layers — teams need eval, testing, and production prompt governance beyond raw API calls.

Product & use cases

Prompt registry, evaluation, and production governance platform sitting in front of LLM APIs for teams building AI applications.

  • Production prompt versioning and A/B testing
  • LLM evaluation workflows for product teams
  • Non-technical stakeholder access to prompt iteration

Key facts

  • Seed (Feb 2025): $4.8M led by ScOp Venture Capital (TechCrunch)
  • NYC LLM prompt management and eval tooling
  • Targets non-technical AI app stakeholders

Funding history (newest first)

Competitive landscape

Edge: Prompt-specific workflow and eval vs. general MLOps platforms — accessible to non-engineers.

LLM ops is fragmenting across observability, eval, and prompt management. PromptLayer wins on prompt-centric UX; risk is LangChain ecosystem bundling.

  • LangSmith direct

    LangChain observability; overlapping LLM ops.

  • Humanloop direct

    Prompt management and eval platform.

  • Weights & Biases adjacent

    ML observability expanding to LLMs.

Notable stories

  • Feb 2025 seed for prompt governance as distinct LLM infra layer.
  • NYC developer-tools capital beyond foundation models.

Industries

Developer Tools AI & Machine Learning Enterprise SaaS

Related funding articles

Venture Capital Tracker pieces that cover PromptLayer's financing or category context.

FAQs about PromptLayer

Practical answers founders, operators, and investors typically search for.

PromptLayer announced a $4.8 million seed round in February 2025.
PromptLayer builds tools for managing and evaluating prompt workflows in AI applications.
Prompt registry, evaluation, and production governance platform sitting in front of LLM APIs for teams building AI applications.
See fundraisingRounds — amounts only when verified in press or company announcements.
See competitors section for named alternatives.
Stage: seed; status: private.
Not publicly disclosed unless noted in highlights.
We track strategically relevant startups with verified public disclosure for founder and investor research.

By Venture Capital Tracker

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