OpenAI vs Perplexity

OpenAI — Foundation Models · Private · $852B valuation · 5 of 5 figures sourced  |  Perplexity — Application · Private · $20.4B valuation · 4 of 4 figures sourced

Relationship

Both consumer assistants in one measured market; ChatGPT holds 46.4% while Perplexity sits under 5% — the leader against a challenger in the measured tail.

4 of 17 capabilitiesShared product typeSmaller scaleSourced competitorUse an everyday AI assistant

4 of 17 capabilities — Shares agent orchestration, search answers, summarization and 1 more.

Ludbee capability tags · from the product records

Shared product type — Both ship AI agent, application and model API.

Ludbee product records

Smaller scale — Perplexity: $20.4B valuation, against OpenAI's $852B valuation.

Ludbee scale figures · valuation, market cap or revenue estimate

Sourced competitor — “Until January, ChatGPT commanded over 50% market share, but by May's end, it had fallen to 46.4% thanks to the rise of Gemini (27.7%) and Claude (10.3%). Other assistants, including Grok, Perplexity, DeepSeek, and Meta AI, have less than 5…”

techcrunch.com · checked 2026-08-25

Use an everyday AI assistant — Rivals on this job — Get answers, writing, search and everyday help from a general-purpose assistant app.

Ludbee needs vocabulary · the scope on the sourced edge

Aligned comparison

FieldOpenAIPerplexity
Valuation$852B$20.4B Perplexity has 42× smaller
Employees4,500380 Perplexity has 12× fewer
Founded20152022 7 yrs later
StatusPrivatePrivate match
CategoryFoundation ModelsApplication
Stack layerAI agent, Agent platform, Application, Model APIAI agent, Application, Model API
HeadquartersSan Francisco, USASan Francisco, USA match

Capability overlap

Shared · 4

Agent orchestrationSummarizationSearch answersWorkflow automation

Not verified for Perplexity · 13

Agentic codingCode generationCode reviewData analysisData securityDocument extractionEvaluation and observabilityImage generationPresentation generationSpeech to textText generationText to speechThreat detection and response

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

Perplexity has no capability OpenAI lacks, among the 4 recorded here.

Products, side by side

Hand-checked pairing

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.

AI agent

CodexAI agent

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

Model API

OpenAI APIModel API

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

Perplexity

Application

PerplexityApplication

Search engine that answers questions in prose with numbered citations to the pages it drew on.

AI agent

CometAI agent

Web browser with Perplexity's assistant built in, able to read and act on the pages the user has open.

Perplexity ComputerAI agent

A general-purpose agentic 'digital worker' that orchestrates Perplexity's frontier-model lineup across tasks and tools to research, build, test, deploy and connect to 400+ apps, continuing work after the user steps away.

Model API

Agent APIModel API

Model-agnostic API for search and agentic workflows — orchestrates across supported frontier models with built-in web search, URL fetching and reasoning controls; billed per request and per token.

No counterpart

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

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.

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