# PromptLayer funding: rounds and investors

> PromptLayer has raised $4.8M across 1 round since 2025. Investors include Gokul Rajaram. Every round with its source.

Source: https://millionrounds.com/company/promptlayer (Millionrounds; every figure on the page links to its filing or article)

United States · [Seed startup](https://millionrounds.com/companies)

# Who invested in *PromptLayer*

One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Software

Funding summary Updated 26 Oct 2026

**$4.8M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $4.8M Feb 2025
- **Investors:** 1

See who backed them

## The rounds

- **Feb 2025** Seed **$4.8M** [Gokul Rajaram](https://millionrounds.com/fund/gokul-rajaram) Source recorded

## Founders and team

From PromptLayer's own website: 3 on the team.

- **John Gilmore** VP of Operations at ParentLab
- **Seung Jae Cha** AI Product Lead at Speak
- **Victor Duprez** Director of Engineering at Gorgias

## Everyone who backed them

[Gokul Rajaram](https://millionrounds.com/fund/gokul-rajaram) Angel **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=promptlayer).

## Also claim to have backed them

This firm lists PromptLayer as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Geek Ventures](https://millionrounds.com/fund/geek-ventures) VC firm Per its own site

## Quick answers about PromptLayer

### Who invested in PromptLayer?

PromptLayer's investors include Gokul Rajaram.

### How much has PromptLayer raised?

PromptLayer has raised $4.8M across 1 round since 2025.

### When did PromptLayer last raise?

PromptLayer's most recent round was a Seed of $4.8M in Feb 2025.

### What was PromptLayer's biggest round?

Its most recent round, $4.8M in Feb 2025, is also its largest on record.

### Who backed PromptLayer first?

PromptLayer's first round on record, in Feb 2025, was backed by Gokul Rajaram.

### What stage is PromptLayer at?

PromptLayer's latest named round is a Seed, in Feb 2025.

### Where is PromptLayer based?

PromptLayer is based in the United States.

## Companies like PromptLayer

In the same sector, and raised in the last eighteen months.

[**TruAgents** $3.4M · Oct 2026](https://millionrounds.com/company/truagents)[**Fireworks AI** $1.7B · Oct 2026](https://millionrounds.com/company/fireworks-ai)[**VECKTA** $11M · Oct 2026](https://millionrounds.com/company/veckta)[**Punch** $11M · Oct 2026](https://millionrounds.com/company/punch)[**Othello** $8.0M · Oct 2026](https://millionrounds.com/company/othello)[**Applied Intuition** $640M · Oct 2026](https://millionrounds.com/company/applied-intuition)

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