OpenAI vs Upstage

OpenAI — Foundation Models · Private · $852B valuation · 5 of 5 figures sourced  |  Upstage — Foundation Models · Private · $958.8M valuation · 4 of 4 figures sourced

Relationship

Upstage's own product-announcement page benchmarks Solar Pro 2 directly against OpenAI's GPT-4o as a comparably-performing, smaller alternative for API buyers.

6 of 17 capabilitiesShared product typeSmaller scaleSourced competitorBuild on a hosted model API

6 of 17 capabilities — Shares agent orchestration, code generation, document extraction and 3 more.

Ludbee capability tags · from the product records

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

Ludbee product records

Smaller scale — Upstage: $958.8M valuation, against OpenAI's $852B valuation.

Ludbee scale figures · valuation, market cap or revenue estimate

Sourced competitor — “Solar Pro 2 delivered results comparable to leading frontier-scale models including OpenAI's GPT-4o, DeepSeek's R1, Mistral's Small 3.2, and Alibaba's Qwen 3—despite being less than half their size.”

upstage.ai · checked 2026-09-19

Build on a hosted model API — Rivals on this job — Call hosted language models from an application, billed per token, without running the models yourself.

Ludbee needs vocabulary · the scope on the sourced edge

Aligned comparison

FieldOpenAIUpstage
Valuation$852B$958.8M Upstage has 889× smaller
Employees4,500100 Upstage has 45× fewer
Founded20152020 5 yrs later
StatusPrivatePrivate match
CategoryFoundation ModelsFoundation Models match
Stack layerAI agent, Agent platform, Application, Model APIAPI service, Agent platform, Application, Model API
HeadquartersSan Francisco, USASeoul, South Korea

Capability overlap

Shared · 6

Agent orchestrationCode generationDocument extractionText generationSearch answersWorkflow automation

Not verified for Upstage · 11

Agentic codingCode reviewData analysisData securityEvaluation and observabilityImage generationPresentation generationSpeech to textSummarizationText to speechThreat detection and response

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

Not verified for OpenAI · 1

Model inference

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

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.

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.

Upstage

Application

Solar ChatApplication

Research-the-web chat assistant built on Upstage's Solar LLM family, answering questions with sources.

Upstage AI SpaceApplication

Document intelligence tool that extracts, drafts and reviews document-based work; referenced in a customer testimonial as helping brokers find answers across long documents.

Agent platform

Upstage StudioAgent platform

Workspace for building and running document-processing agents from Upstage's parsing and extraction steps.

Model API

Solar LLMsModel API

Upstage's family of agent-oriented language models -- Solar Pro 4 as a hosted API for terminal tasks, document workflows and multi-turn tool use, plus the open-weight Solar Open 2 (250B MoE, 15B active params) for self-hosting.

No counterpart

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

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

API service

Document ParseAPI service

API that converts PDFs and scanned documents into structured, machine-readable layout and text.

Information ExtractAPI service

API that pulls named fields out of unstructured documents such as invoices, claims and contracts.

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