Cerence vs OpenAI

Cerence — Application · Public · $384.9M mkt cap · 4 of 4 figures sourced  |  OpenAI — Foundation Models · Private · $852B valuation · 5 of 5 figures sourced

Relationship

Cerence Voice Lab and OpenAI API do comparable work on speech to text and text to speech; both also serve buyers who need to create synthetic voice and audio and turn speech into text; larger scale (private).

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

4 of 5 capabilitiesShared product typeLarger scale

4 of 5 capabilities — Shares agent orchestration, evaluation and observability, speech to text and 1 more.

Ludbee capability tags · from the product records

Shared product type — Both ship AI agent and application.

Ludbee product records

Larger scale — OpenAI: $852B valuation, against Cerence's $384.9M market cap.

Ludbee scale figures · valuation, market cap or revenue estimate

Aligned comparison

FieldCerenceOpenAI
Size$384.9M mkt cap$852B valuation different basis
Employees1,3004,500 OpenAI has 3.5× more
Founded20192015 4 yrs earlier
StatusPublicPrivate
CategoryApplicationFoundation Models
Stack layerAI agent, Application, Developer tool, PlatformAI agent, Agent platform, Application, Model API
HeadquartersBurlington, USASan Francisco, USA

Capability overlap

Shared · 4

Agent orchestrationEvaluation and observabilitySpeech to textText to speech

Not verified for OpenAI · 1

Voice agent

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

Not verified for Cerence · 13

Agentic codingCode generationCode reviewData analysisData securityDocument extractionImage generationPresentation generationSummarizationText generationThreat detection and responseSearch answersWorkflow automation

Recorded for OpenAI. Cerence’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

Cerence

Application

Car KnowledgeApplication

Delivers vehicle-specific insights through AI-refined search, answering questions about the vehicle.

Cerence AssistantApplication

Turnkey in-car voice assistant that carmakers deploy as-is, running core functions onboard the vehicle while reaching the cloud for live information such as news, weather and flight updates.

Chat ProApplication

Brings friendly, free-flowing small talk to the car -- contextual in-car conversation distinct from vehicle-specific Q&A.

Emergency Vehicle DetectionApplication

Acoustically detects a wide range of global sirens to alert the driver.

In-Car CommunicationApplication

Optimises conversations between vehicle occupants across rows.

Mobile Work AgentApplication

Turns drive time into productive time: a voice-based work assistant for drivers.

Ownership Companion AgentApplication

Always-available personal OEM representative that helps drivers understand and maintain their vehicle.

Speech Signal EnhancementApplication

Removes noise, unwanted sounds and speech interference from in-vehicle audio.

AI agent

Dealer Assist AgentAI agent

Handles dealership customer inquiries as part of Cerence's automotive AI agents portfolio.

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.

No counterpart

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

Developer tool

Cerence Voice LabDeveloper tool

Self-service cloud portal where developers upload their own audio to benchmark Cerence's speech recognition engines on word error rate, latency and confidence, and audition and tune the text-to-speech voice library in the browser.

Platform

Cerence xUIPlatform

Hybrid generative-AI platform for the car cabin built on Cerence's own CaLLM model family, splitting work between the vehicle's embedded hardware and the cloud so the assistant still answers with no connection.

OpenAI sells these in a stack layer with no product recorded for Cerence 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.

Model API

OpenAI APIModel API

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