Microsoft has started purchasing cloud computing capacity from Amazon Web Services to keep GitHub operational as AI-driven coding tools overwhelm the platform’s infrastructure, according to reports from Business Insider. The move marks a pragmatic concession for Microsoft, which is simultaneously accelerating GitHub’s migration to its own Azure cloud platform.
The decision comes as GitHub faces unprecedented strain from autonomous AI coding agents that have pushed the platform past its limits. GitHub Chief Technology Officer Vlad Fedorov reported roughly a 3.5x increase in load over two years, driven largely by AI tools that commit code continuously. Claude Code alone now generates 2.6 million commits weekly, while AI agent pull requests jumped from 4 million per month in September 2025 to 17 million by March 2026 .
The platform experienced 19 service-degrading incidents across April and May, with third-party monitoring showing availability dropping as low as 85% over a 90-day period. The reliability issues prompted Mitchell Hashimoto, founder of HashiCorp and creator of Ghostty, to publicly leave GitHub, stating the platform “is no longer a place for serious work if it just blocks you out for hours per day, every day” .
GitHub began migrating from its own data centers to Azure in October 2025, a project initially expected to complete within 12 months. However, the AI surge outpaced the migration timeline significantly. The infrastructure team had planned for a 10x capacity expansion in October 2025 but realized by February 2026 they needed to design for 30x current scale .
Microsoft characterized the AWS addition as part of a broader multi-cloud strategy. The company stated it is “both accelerating our move to Azure and continuing to explore a multi-cloud strategy” to support growth. GitHub Senior Vice President Jakub Oleksy noted that 40 percent of monolith traffic now runs on Azure, up from 8 percent in February .
GitHub has declared its operational priorities as “availability first, then capacity, then new features,” relying on AWS for overflow while completing the Azure migration. The platform also shifted to usage-based billing on June 1 and paused new individual plan sign-ups as it rebalances capacity for existing users.
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