Microsoft for Startups - YC Partnership ($350,000)
Source: https://www.microsoft.com/en-us/startups
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+ 1 Y Combinator batch companies get $350,000 in Azure credits through a special Microsoft partnership launched in November 2023. This is one of the largest cloud credit packages available to YC startups -- significantly more than the standard $150,000 (now $100,000) investor-track offer. Credits cover Azure compute, data services, analytics, AI workloads, and priority access to GPU infrastructure for AI model training. As of mid-2024, 58% of YC startups had accepted the offer, up from just 5% building on Azure before the partnership.
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+ 7 1. Get accepted into a Y Combinator batch -- this offer is exclusive to active YC batch companies
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+ 8 2. YC provides a referral code for the Microsoft for Startups Investor Network
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+ 9 3. Go to startups.microsoft.com and click "Get started now"
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+ 10 4. Enter the YC referral code when prompted
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+ 11 5. Complete the application form -- you will need a LinkedIn account and basic company details (name, stage, description)
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+ 12 6. Select your development stage (Concept design, Prototyping, Building MVP, MVP in market, or Established market)
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+ 13 7. Wait for approval -- average review time is 3 business days, notification comes via email
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+ 14 8. Once approved, log in to the Microsoft for Startups Portal and click "Activate Azure"
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+ 15 9. Link your Microsoft account and complete Azure sign-up (requires a payment method on file, but you will not be charged while credits are active)
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+ 16 10. Credits may take up to 24 hours to appear on your account
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+ 17
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+ 18 Important:
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+ 19 • The referral code comes through YC -- you cannot get it from Microsoft directly
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+ 20 • You must be in an active YC batch (not just a YC alum applying independently)
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+ 21 • If declined, you can reapply after 14 days
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+ 22 • Applications cannot be edited after submission; you can delete and reapply if still pending
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+ 28 The $350,000 in Azure credits can be applied toward any Azure product listed on azure.microsoft.com/products, including:
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+ 30 CategoryExamples
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+ 31 ComputeVirtual Machines, App Service, Container Apps, Kubernetes (AKS)
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+ 32 AI / MLAzure OpenAI Service, Azure AI Foundry, Azure Machine Learning, Cognitive Services
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+ 33 GPU InfrastructureND A100 VMs for model training and fine-tuning (priority access for YC companies)
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+ 34 Data & AnalyticsCosmos DB, PostgreSQL, SQL Database, Synapse Analytics, Data Factory
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+ 35 Storage & NetworkingBlob Storage, CDN, Virtual Network, Load Balancer
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+ 36 Developer ToolsAzure DevOps, Azure Functions, Logic Apps
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+ 37
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+ 38 Credits cannot be used for:
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+ 39 • Microsoft Azure Marketplace (third-party products)
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+ 40 • Microsoft Support Plans
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+ 41 • Products sold separately from Azure
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+ 42 • Credits cannot be combined with other licensing, prepaid, or credit offers
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+ 48 A major differentiator of the YC partnership is priority access to GPU infrastructure:
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+ 49
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+ 50 • YC startups get access to ND A100 Azure VM clusters configured for model training and fine-tuning
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+ 51 • This includes optimization technologies: LoRA (Low Rank Adaptation), DeepSpeed, and ONNX Runtime
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+ 52 • Access is time-bound -- intended for testing and trialing models, not indefinite production use
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+ 53 • Startups also get 1:1 guidance from Microsoft AI experts on architecture, performance, and implementation
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+ 54 • Azure OpenAI Service access (GPT-5 mini/nano, GPT-4.1, GPT-4o, o4-mini, o3-mini, etc.) is available and credits apply to API usage. Advanced models (GPT-5.2, GPT-5.1, GPT-5, o3) require limited-access registration
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+ 60 • Credits are valid for up to 2 years from activation
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+ 61 • Once credits are exhausted or expire, your Azure account transitions to pay-as-you-go pricing
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+ 62 • A payment method is required on file during activation, but you are not charged while credits remain
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+ 63 • Unused credits do not roll over or extend beyond the expiration date
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+ 64 • The lifetime cap for free Azure credits through this program is $350,000 -- once reached, no additional credits are available
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+ 70 The YC partnership includes the full Microsoft for Startups benefit package:
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+ 71
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+ 72 BenefitDetails
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+ 73 OpenAI Credits$2,500 in OpenAI API credits for experimentation
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+ 74 GitHub Enterprise20 user seats
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+ 75 Microsoft 365 Business Premium50 seats
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+ 76 Visual Studio Enterprise5 user licenses
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+ 77 LinkedIn PremiumIncluded
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+ 78 Microsoft ClarityFree analytics tool
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+ 79 Dynamics 36510-25 seats depending on module
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+ 80 Power PlatformPower Apps, Power Automate, Power BI -- 10 users each
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+ 81 Azure Standard Support24/7 expert assistance at no cost
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+ 82 Go-to-Market SupportValue proposition refinement, Microsoft channel sales access
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+ 88 To qualify for the $350,000 YC package, your startup must:
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+ 89
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+ 90 • Be an active Y Combinator batch company (the referral code comes through YC)
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+ 91 • Have a software-based product as core business (owned, not licensed)
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+ 92 • Have received fewer than $350,000 in lifetime free Azure credits
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+ 93 • Be headquartered in a country where Azure services are available
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+ 94 • Have not raised Series C funding or later
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+ 95 • Be privately held and for-profit
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+ 96 • Not be an educational institution, government org, consultancy, agency, dev shop, or crypto mining operation
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+ 101
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+ 102 As of July 2025, Microsoft overhauled the broader Startups program:
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+ 103
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+ 104 • The old "Founders Hub" brand is retired; everything is now Microsoft for Startups
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+ 105 • The general investor-track offer starts at $100,000 (down from $150,000), with the opportunity to earn more based on engagement
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+ 106 • Non-investor-backed startups get a self-service track: $1,000 immediately, up to $5,000 after business verification
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+ 107 • YC partnership credits are separate from the general program tiers and remain at the $350,000 level for eligible batch companies
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+ 108 • Existing activated credits remain valid until their expiration date
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+ 111
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+ 113
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+ 114 YC companies can stack cloud credits from multiple providers:
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+ 115
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+ 116 ProviderYC Credit Offer
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+ 117 Microsoft Azure$350,000 in Azure credits + GPU access
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+ 118 AWS$350,000 in AWS credits + $300,000 for Trainium/Inferentia AI chips
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+ 119 Google CloudUp to $350,000 for AI-focused startups
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+ 120
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+ 121 Accepting credits from multiple providers is common and considered strategic for cost management. As one founder noted, accepting credits is essentially like raising additional capital.
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+ 124
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+ 126
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+ 127 • Stack credits -- most YC companies accept offers from Azure, AWS, and GCP simultaneously. There is no exclusivity requirement
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+ 128 • GPU access is time-bound -- plan your model training sprints around the GPU availability window rather than expecting indefinite access
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+ 129 • Set budget alerts in the Azure portal immediately after activation to avoid surprise charges when credits run low
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+ 130 • Stopping a VM is not enough -- you must deallocate it to stop incurring charges. Stopped-but-not-deallocated VMs still cost money
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+ 131 • Not all models are in all regions -- check Azure regional availability before creating resources, especially for Azure OpenAI models
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+ 132 • The $2,500 OpenAI credits are separate from the $350,000 Azure credits and are specifically for the OpenAI API (platform.openai.com), not Azure OpenAI Service
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+ 133 • If you are a YC alum but not in an active batch, you may still qualify for the standard investor-track offer ($100,000+) through the YC Alumni network
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+ 136
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+ 137 Sources:
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+ 138 • Microsoft for Startups
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+ 139 • Microsoft for Startups Investor Offer Benefits
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+ 140 • Microsoft for Startups Application Process
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+ 141 • Azure Credit Offer Details
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+ 142 • Microsoft Blog: Startups to Access High-Performance Azure Infrastructure
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+ 143 • CNBC: Microsoft Touts Cloud Momentum from Y Combinator Startups
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+ 144 • Changes to Microsoft for Startups Program (July 2025)
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+ 145 • Evolve ETFs: How Microsoft is Winning AI Startups
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