OpenAI vs Superhuman

OpenAI — Foundation Models · Private · $852B valuation · 5 of 5 figures sourced  |  Superhuman — Application · Private · 1 of 1 figure sourced

Relationship

ChatGPT for Word and Grammarly do comparable work on summarization; both also serve buyers who need to draft and edit written content; Superhuman's scale not recorded.

Assembled from the recorded fields for this pair, not hand-checked. The comparison below is read from each company’s own profile.

4 of 17 capabilitiesShared product type

4 of 17 capabilities — Shares agent orchestration, summarization, text generation and 1 more.

Ludbee capability tags · from the product records

Shared product type — Both ship application.

Ludbee product records

Aligned comparison

FieldOpenAISuperhuman
Size$852B valuationnot disclosed
Employees4,500—
Founded20152009 6 yrs earlier
StatusPrivatePrivate match
CategoryFoundation ModelsApplication
Stack layerAI agent, Agent platform, Application, Model APIApplication, Platform
HeadquartersSan Francisco, USASan Francisco, USA match

Capability overlap

Shared · 4

Agent orchestrationSummarizationText generationWorkflow automation

Not verified for Superhuman · 13

Agentic codingCode generationCode reviewData analysisData securityDocument extractionEvaluation and observabilityImage generationPresentation generationSpeech to textText to speechThreat detection and responseSearch answers

Recorded for OpenAI. Superhuman’s product records say nothing either way — a missing record is not a missing capability.

Not verified for OpenAI · 1

Email assistance

Recorded for Superhuman. OpenAI’s product records say nothing either way — a missing record is not a missing capability.

Products, side by side

Algorithmic pairing — assembled from recorded fields, not hand-checked

OpenAI

Application

ChatGPTApplication

Assistant for chat, web search, file analysis and image generation, used in the browser and in desktop and mobile apps; developers can build custom in-chat apps for it via the Apps SDK, built on the Model Context Protocol.

ChatGPT AtlasApplication

OpenAI's agentic web browser. Deprecated on 9 August 2026, with its browser-based agentic capabilities moved into ChatGPT and Codex.

ChatGPT GovApplication

A version of ChatGPT that US government agencies deploy in their own Microsoft Azure commercial or Azure Government cloud, so the agency manages its own security, privacy and compliance.

ChatGPT for ExcelApplication

ChatGPT in the Excel ribbon: builds and edits spreadsheets, formulas and formatting from plain-language requests, answers questions about what is in the workbook, and asks permission before changing it. OpenAI's own page bundles this with a separate ChatGPT for Google Sheets add-in; this record covers the Excel add-in only.

ChatGPT for PowerPointApplication

ChatGPT in the PowerPoint ribbon: creates new slides, rewrites and restructures an existing deck, and turns notes, documents or spreadsheets into presentation-ready content while keeping the output editable in PowerPoint.

ChatGPT for WordApplication

ChatGPT in a Microsoft Word sidebar: drafts, revises and reorganizes the open document from notes or pasted source text, pulling in context from connected apps like Outlook, SharePoint, Google Workspace and Dropbox.

SoraApplication

OpenAI's text-to-video product. The web and app experiences were discontinued on 26 April 2026; the API will be discontinued on 24 September 2026.

Superhuman

Application

GrammarlyApplication

The writing assistant that gave the company its old name: spelling, grammar and tone correction across a million apps and websites, with generative rewrites, plagiarism and AI-text detection on the paid tier.

Superhuman DocsApplication

A collaborative-docs surface where a team's data and AI meet, the renamed successor to the acquired Coda.

Superhuman GoApplication

An AI assistant that works across the applications a person already uses, rather than living in its own chat window.

Superhuman MailApplication

An AI-assisted email client, the product the company was originally named for, now sold as one app inside the Superhuman Platform.

No counterpart

OpenAI sells these in a stack layer with no product recorded for Superhuman yet — nothing on the other side to compare them against.

AI agent

CodexAI agent

Coding agent that reads, edits and runs a codebase from the terminal, an IDE extension and the ChatGPT web app.

Agent platform

OpenAI DaybreakAgent platform

OpenAI's cybersecurity offering, bringing together frontier cyber models, Codex Security and partner workflows to find, validate and fix vulnerabilities, with an access-gated Daybreak Red tier for authorised vulnerability research and red teaming.

OpenAI FrontierAgent platform

Enterprise platform for connecting AI agents to systems of record and running them under enterprise identity, access and observability controls.

Model API

OpenAI APIModel API

Hosted API for OpenAI's text, image, audio and embedding models, billed per token.

Superhuman sells these in a stack layer with no product recorded for OpenAI yet — nothing on the other side to compare them against.

Platform

Superhuman PlatformPlatform

The umbrella under which Superhuman now sells Mail, Docs and Go as one subscription, plus a marketplace of third-party agents and connectors.