Harmonic for ChatGPT

Discover and research startups

Harmonic AI, Inc
Finance

Open in ChatGPT

Official listing on chatgpt.com

Example prompts

3 from the official listing

Harmonic Research Harvey's founders, funding history, key investors, and my team’s strongest connections to the company
Harmonic Show me the NYC Fintech companies that recently raised a round of funding
Harmonic Tell me about the net-new results in my Founders to Watch saved search

Mention Harmonic by name in your message, as the official examples do.

How to use Harmonic in ChatGPT

Open Harmonic in ChatGPT’s plugin directory

Open Harmonic’s page on chatgpt.com. Sign in to ChatGPT if you are not already.
Install it from that page

Choose Install plugin there. It adds the Harmonic app to ChatGPT.
Mention Harmonic in a chat

Start a new chat and name it in your request, for example: “Harmonic, research Harvey's founders, funding history, key investors, and my team’s strongest…”

Availability can depend on your ChatGPT plan, your region and, on work accounts, your admin’s settings.

What Harmonic does

Search, enrich, and research startups, companies and investors using Harmonic's proprietary data on millions of companies and the people behind them. Get detailed company profiles with funding, location, founders, and network connections. Use natural language to find companies matching specific criteria. Create and manage lists of companies and people. Access your team's network mapping and saved searches. Discover startups earlier, research them faster, and act with confidence—an AI-powered research agent built into your workflow.

From the official listing, written by Harmonic AI, Inc.

What Harmonic can access

The official listing names no Read or Write capability for Harmonic. Check what it asks for when you add it, and connect only the accounts you want it to use.

Before you connect it

OpenAI’s plugin pages note that a connected plugin may receive relevant parts of your chats to answer a request, and that Harmonic AI, Inc’s own terms and privacy policy then cover that data. You can disconnect a plugin later in ChatGPT’s settings. Read the privacy policy (harmonic.ai) and terms (harmonic.ai).

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Harmonic in ChatGPT: questions and answers

What does Harmonic do in ChatGPT?

What can I ask Harmonic in ChatGPT?

The official listing suggests prompts like: “Research Harvey's founders, funding history, key investors, and my team’s strongest connections to the company”; “Show me the NYC Fintech companies that recently raised a round of funding”; “Tell me about the net-new results in my Founders to Watch saved search”.

How do I use Harmonic in ChatGPT?

Open Harmonic’s page in ChatGPT’s plugin directory on chatgpt.com and install it there. Then mention Harmonic in a chat, for example: “Research Harvey's founders, funding history, key investors, and my team’s strongest connections to the company”.

Who makes the Harmonic plugin?

Harmonic AI, Inc, currently at version 4.0.0. Best GPT Apps is an independent directory and is not affiliated with OpenAI or Harmonic AI, Inc.

Is Harmonic one of the old ChatGPT plugins from 2023?

No. The 2023 ChatGPT plugins were a separate beta that OpenAI has since retired. Today’s ChatGPT plugins are the apps directory under a new name: since July 2026 a plugin can bundle apps, skills and MCP servers.