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Microsoft

Copilot, Azure AI, and OpenAI's largest investor

Microsoft builds the Copilot family of AI assistants across Windows, Office, and GitHub, and operates Azure AI, the cloud platform that also hosts OpenAI's models. It is OpenAI's largest outside investor and infrastructure partner.

12 tools ·1 GPUs ·20 models ·founded 1975 ·Redmond, Washington
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Founders
Bill Gates, Paul Allen

// tools by Microsoft

// hardware by Microsoft

// models by Microsoft

BitNet b1.58 Microsoft's research model demonstrating competitive LLM performance with 1.58-bit ternary weights Microsoft · Language · Free
Florence-2 Microsoft's compact vision foundation model for captioning, detection, and segmentation in one model Microsoft · Multimodal · Free
Phi-3-medium The 14B-parameter tier of Microsoft's Phi-3 family, tuned for stronger reasoning Microsoft · Language · Free
Phi-3-small The 7B-parameter tier of Microsoft's Phi-3 small-language-model family Microsoft · Language · Free
Phi-4 Microsoft's small reasoning-focused model that punches above its parameter count Microsoft · Reasoning · Free
Phi-4-reasoning Reasoning-tuned variant of Phi-4 trained with chain-of-thought supervision Microsoft · Reasoning · Free
Turing-NLG Microsoft's 17B-parameter model that was among the largest published language models of its time Microsoft · Language · Paid
VALL-E Microsoft's neural codec voice-cloning model that mimics a speaker from a 3-second sample Microsoft · Audio Generation · Paid
VALL-E 2 Microsoft's improved zero-shot voice-cloning model reaching human parity on benchmarks Microsoft · Audio Generation · Paid
WizardLM-2 Microsoft's instruction-tuned model family built with complex, evolved synthetic training data Microsoft · Language · Free
BioGPT Microsoft's domain-specific generative model pre-trained on biomedical literature Microsoft · Language · Free
Kosmos-2 Microsoft's grounded multimodal model that links language to specific image regions Microsoft · Multimodal · Free
NaturalSpeech 3 Microsoft's factorized diffusion TTS model for zero-shot voice and style transfer Microsoft · Audio Generation · Paid
Orca-Math Microsoft's small model specialised in grade-school math word problems Microsoft · Reasoning · Free
Phi-3 Microsoft's compact open-weight model family for on-device use Microsoft · Language · Free
Phi-3-vision Multimodal member of the Phi-3 family for image reasoning on-device Microsoft · Multimodal · Free
WizardCoder Microsoft's code-specialised fine-tune built with Evol-Instruct data generation Microsoft · Code · Free
Phi-3.5-mini Microsoft's updated compact model in the Phi-3 line Microsoft · Language · Free
Orca 2 Microsoft Research's reasoning-focused fine-tune of Llama 2 Microsoft · Language · Free
Phi-2 Microsoft's earlier 2.7B model demonstrating outsized small-model performance Microsoft · Language · Free