Breaking

Meta and Microsoft Scale Back Internal Use of Claude AI, Shifting to Proprietary Tools

October 6, 2026 at 06:29 EDT

Foundation Models
Sales & Business
Software Dev & Coding

Meta Platforms and Microsoft have significantly reduced internal employee reliance on Anthropic's Claude AI, according to reports from October 5, 2026, as both technology giants shift spending toward proprietary alternatives amid rising AI costs. The pullback represents a strategic realignment by two of Anthropic's largest corporate clients, even as enterprise customer spending on Claude through cloud platforms continues to expand.

October 5, 2026 · Technology

Meta and Microsoft Cut Claude AI Budget

Two major Anthropic clients reduce internal reliance on Claude while investing in proprietary coding tools.

Usage and Budget Reductions

50%

Meta Claude Code users cut from 60,000 to 30,000

33%

Microsoft annual Anthropic spending reduced by one-third

90%

Microsoft per-employee monthly budget reduced by ~90% in most divisions

Microsoft Annual Spending Projection

$1B

Before reduction

→

$667M

After reduction

Strategic Context

Both firms are developing proprietary AI tools to reduce external vendor dependence
Meta shifting 30,000+ users to MetaCode and 6,000+ to Muse Code
Microsoft redirecting developers to GitHub Copilot and OpenAI models
Anthropic derives ~25% of revenue from Meta and Microsoft combined

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