MiniMax vs OpenAI

MiniMax — Foundation Models · Public · $12.6B mkt cap · 4 of 5 figures sourced  |  OpenAI — Foundation Models · Private · $852B valuation · 5 of 5 figures sourced

Relationship

MiniMax Open Platform and OpenAI API do comparable work on text to speech; both also serve buyers who need to build on a hosted model API, create images and video, create synthetic voice and audio and 1 more; 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.

5 of 8 capabilitiesShared product typeLarger scale

5 of 8 capabilities — Shares agent orchestration, agentic coding, image generation and 2 more.

Ludbee capability tags · from the product records

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

Ludbee product records

Larger scale — OpenAI: $852B valuation, against MiniMax's $12.6B market cap.

Ludbee scale figures · valuation, market cap or revenue estimate

Aligned comparison

FieldMiniMaxOpenAI
Size$12.6B mkt cap$852B valuation different basis
Employees3854,500 OpenAI has 12× more
Founded20212015 6 yrs earlier
StatusPublicPrivate
CategoryFoundation ModelsFoundation Models match
Stack layerAI agent, Application, Model APIAI agent, Agent platform, Application, Model API
HeadquartersShanghai, ChinaSan Francisco, USA

Capability overlap

Shared · 5

Agent orchestrationAgentic codingImage generationText generationText to speech

Not verified for OpenAI · 3

Image editingMusic generationVideo generation

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

Not verified for MiniMax · 12

Code generationCode reviewData analysisData securityDocument extractionEvaluation and observabilityPresentation generationSpeech to textSummarizationThreat detection and responseSearch answersWorkflow automation

Recorded for OpenAI. MiniMax’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

MiniMax

Application

Hailuo AIApplication

Generates video clips from text prompts and still images.

MiniMax AudioApplication

Text-to-speech and AI music generation platform (voice generator, AI music generator, voice isolator) from MiniMax.

星野 (Xingye)Application

Immersive AI-companion / virtual-character community platform where users create, customize and chat with AI agents; MiniMax's China-market app, released internationally as Talkie.

AI agent

MiniMax AgentAI agent

Runs multi-step agents that build software and documents from a written brief.

MiniMax DesignAI agent

Multimedia creation platform coordinating multiple AI agents around a visual canvas for design work.

Model API

MiniMax Open PlatformModel API

Hosted API for MiniMax's text, video, speech and music models, billed per token.

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.

No counterpart

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