SVTR 硅谷科技评论SVTR
← Database
Total funding $5M📍 New York · NYC MetroFounded 2021

About

PromptLayer (Magniv, Inc.) is a New York-based prompt engineering and LLM observability platform founded in 2021, offering a prompt CMS, evaluations, logging and tracing so non-technical domain experts can collaborate on production LLM prompts.

★ SVTR RatingSVTR has evaluated this company

Full tier & rationale — an SVTR Intelligence benefit

Capital graph

CompanyInvestorFounders / teamCo-investment (thicker arc = more shared deals, ×N marks the count)Bigger circle = stronger signal (activity / coverage / interest) · ⛶ fullscreen · scroll / pinch to zoom · hover to highlight · drag nodes · click a node to open its profile

Funding history

Comparable companies· by market

This company

  • PromptLayer

    PromptLayer (Magniv, Inc.) is a New York-based prompt engineering and LLM observability platform founded in 2021, offering a prompt CMS, evaluations, logging and tracing so non-technical domain experts can collaborate on production LLM prompts.

    Seed · $5M · 2025-02

Confirmed rounds only. Matched on subsector, sector, stage and funding scale — each verifiable on the company profiles.

Investors that may fit

Andreessen Horowitz

13 Optimization & Evals deals in the last 24 months · 8 at a nearby stage · 13 in NYC Metro

Request intro →

Y Combinator

11 Optimization & Evals deals in the last 24 months · 9 at a nearby stage · 10 in NYC Metro

Request intro →

Lightspeed

10 Optimization & Evals deals in the last 24 months · 5 at a nearby stage · 10 in NYC Metro

Request intro →

Felicis Ventures

4 Optimization & Evals deals in the last 24 months · 3 at a nearby stage · 4 in NYC Metro

Request intro →

Greylock Partners

4 Optimization & Evals deals in the last 24 months · 1 at a nearby stage · 4 in NYC Metro

Request intro →

Insight Partners

4 Optimization & Evals deals in the last 24 months · 1 at a nearby stage · 4 in NYC Metro

Request intro →

Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.

Want to reach PromptLayer — for capital, customers, or partnership? Send a short request; SVTR reviews it and brokers the intro, with both sides verified before you meet.

Request an intro to this companySubscribe to Signal