Microsoft vs Poolside AI

Microsoft — Application · Public · $3.7T mkt cap · 4 of 4 figures sourced  |  Poolside AI — Application · Private · $620M raised · 2 of 2 figures sourced

Relationship

SiliconANGLE's own coverage names GitHub Copilot as Poolside's direct rival; both are AI coding-assistant products.

2 of 28 capabilitiesShared product typeSourced competitorCode with an AI assistant

2 of 28 capabilities — Shares agentic coding and code generation.

Ludbee capability tags · from the product records

Shared product type — Both ship AI agent.

Ludbee product records

Sourced competitor — “Artificial intelligence coding startup Poolside Inc., a rival to GitHub Inc.'s Copilot, said today it has closed on a bumper $500 million Series B raise.”

siliconangle.com · checked 2026-09-19

Code with an AI assistant — Rivals on this job — Write, edit and maintain a codebase with an AI coding assistant or agent.

Ludbee needs vocabulary · the scope on the sourced edge

Aligned comparison

FieldMicrosoftPoolside AI
Size$3.7T mkt cap$620M raised different basis
Employees223,000—
Founded19752023 48 yrs later
StatusPublicPrivate
CategoryApplicationApplication match
Stack layerAI agent, API service, Agent platform, Application, Data service, Developer tool, PlatformAI agent
HeadquartersRedmond, USASan Francisco, USA

Capability overlap

Shared · 2

Agentic codingCode generation

Not verified for Poolside AI · 26

Agent orchestrationClinical documentationCode reviewCustomer supportData analysisData securityDocument extractionEmail assistanceEvaluation and observabilityGuardrails and safetyMeeting notesModel hostingModel inferenceModel trainingPresentation generationKnowledge retrievalSpeech to textSummarizationText generationText to speechThreat detection and responseTranslationVector searchVideo analyticsSearch answersWorkflow automation

Recorded for Microsoft. Poolside AI’s product records say nothing either way — a missing record is not a missing capability.

Poolside AI has no capability Microsoft lacks, among the 2 recorded here.

Products, side by side

Hand-checked pairing

Microsoft

AI agent

Copilot CoworkAI agent

Agentic feature of Microsoft 365 Copilot that plans and executes multi-step, multi-app tasks end-to-end and returns a finished deliverable rather than a draft.

Poolside AI

AI agent

poolsideAI agent

Command-line and desktop coding agent that runs poolside's own open-weight models.

No counterpart

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

Application

Azure AI Bot ServiceApplication

Integrated development environment for building conversational bots, integrating with Microsoft Copilot Studio for low-code bot building.

Microsoft 365 CopilotApplication

AI assistant embedded in Word, Excel, PowerPoint, Outlook and Teams that grounds its answers in a customer's own business data and ships with pre-built agents.

Microsoft CopilotApplication

Microsoft's assistant for chat, search and work inside Windows and the Microsoft 365 apps.

Microsoft Security CopilotApplication

Security-operations assistant that summarises threat signals and helps analysts detect, investigate and respond to incidents in natural language.

API service

Azure AI Custom VisionAPI service

Image-recognition service for building custom image classification and object-detection models; distinct from the general-purpose Azure AI Vision service.

Azure AI Immersive ReaderAPI service

Embeddable reading-comprehension tool that improves text readability for users of all ages and abilities.

Azure AI Video IndexerAPI service

Extracts insights from video and audio — transcription, face/object detection, sentiment, topics — via API.

Azure Content UnderstandingAPI service

Multimodal Azure AI service that extracts structured insights from unstructured content (documents, images, audio, video) into custom-defined schemas.

Azure Document IntelligenceAPI service

Extracts text, structure and key-value pairs from documents (invoices, receipts, forms, ID cards) via prebuilt and custom models.

Azure Language in Foundry ToolsAPI service

NLP service for sentiment analysis, key phrase extraction, entity recognition, summarization, question answering and conversational language understanding.

Azure Machine LearningAPI service

End-to-end platform for building, training, deploying and managing machine-learning models at enterprise scale.

Azure OpenAI in Foundry ModelsAPI service

Hosted access to OpenAI's GPT, embedding and image models with Azure enterprise security, networking and compliance, under Microsoft Foundry's current branding.

Azure Speech in Foundry ToolsAPI service

Speech-to-text, text-to-speech, speech translation and speaker recognition as an Azure API service.

Azure Translator in Foundry ToolsAPI service

Real-time and batch text translation API supporting 100+ languages.

Azure Vision in Foundry ToolsAPI service

Image analysis, OCR, spatial analysis and face detection as an Azure API service.

Content Safety in Foundry Control PlaneAPI service

Detects harmful text/image content (hate, violence, sexual, self-harm) for generative-AI applications, billed per text/image record analyzed.

Foundry Agent ServiceAPI service

Managed service for building, deploying and orchestrating enterprise AI agents with tool calling, state management and multi-turn conversations.

Foundry IQAPI service

Context-engineering platform giving AI agents agentic retrieval across enterprise data sources (SharePoint, Blob Storage, the web) with permission-aware security.

Foundry ModelsAPI service

Model catalog (11,000+ models from Azure, Anthropic, Meta, Mistral, Hugging Face and others) with managed-compute and serverless per-token deployment.

Microsoft Dragon CopilotAPI service

AI assistant for clinicians that combines ambient conversation capture, clinical documentation and voice-driven EHR/order workflows into one product.

Observability in Foundry Control PlaneAPI service

Evaluation, production monitoring and distributed tracing for generative-AI applications, billed by consumption per the Foundry observability pricing page.

Agent platform

Microsoft Copilot StudioAgent platform

Low-code platform for building, connecting and publishing custom conversational and autonomous AI agents across Microsoft 365, the web and business channels.

Developer tool

GitHub CopilotDeveloper tool

Coding assistant and agent inside the editor, the CLI and GitHub itself.

Platform

Microsoft FoundryPlatform

Azure's platform for building, evaluating and deploying model-based applications and agents.

Data service

Azure AI SearchData service

Enterprise retrieval service providing hybrid keyword and vector search plus RAG grounding over an organisation's own data, also surfaced inside Microsoft Foundry as Foundry IQ.