PromptLayer

PromptLayer

Private
New York City, New YorkAI, Data & Cloud Infrastructurehttps://promptlayer.com

Last Round

Seed

Feb 9, 2025

Total Funding Raised

$4.8M

Company Overview

PromptLayer is a business/productivity software company that provides a platform for prompt engineers to track, debug, and collaborate on GPT requests.

Sector

AI, Data & Cloud Infrastructure

Verticals

ML Platforms, NLP & Conversational AI, API Management

Business Model

B2B

Customer Profile

Freemium, Subscription SaaS, Usage-Based SaaS

AI Layer

Infrastructure

Keywords

LLM observabilityprompt engineeringLLMOpsprompt managementPromptOpsprompt versioningLLM developer toolsLLM middlewareprompt registryprompt evaluationLLM API loggingLLM tracingAI infrastructureA/B testing prompts

Historical Pricing

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Caplight Momentum Score

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PromptLayer Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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PromptLayer Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
SeedFeb 9, 2025

PromptLayer Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 26, 2026

    Added Gertner, a technology/AI startup, as a customer.

  • Mar 26, 2026

    Added Speak Ai Inc., a technology/AI startup, as a customer.

PromptLayer Filings

SEC and related filings with document metadata.

TypedDateAmount OfferedAmount SoldFillingPagesDownload
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PromptLayer Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about PromptLayer's valuation, stock price, and market status.

Firmographic Details

HeadquartersNew York City, New York
Employee Range23
Year Founded2021
Last FundingFeb 9, 2025

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