Microsoft invests up to $5B in Anthropic
As of 2026-10-09, Microsoft invests up to $5B in Anthropic is announced and not yet completed, with a reported value of $5.0B, involving Microsoft, Anthropic. This status may change; this page reflects the wafergraph deals dataset as of 2026-10-09. Microsoft agreed to invest up to $5B in Anthropic as Anthropic committed to $30B of Azure compute.
Deal record from the wafergraph deals corpus · every field traces to the sources listed below · page data as of 2026-10-09
- Type
- investment
- Announced
- 2025-11-18
- Status
- announced
- Value
- $5.0B
- Parties
- Microsoft (investor), Anthropic (investee)
- Source confidence
- high
The companies involved
Microsoft
Designs Maia AI accelerators and Cobalt server CPUs for Azure. niche in Custom Silicon Designers, headquartered in United States, market cap $3.88T. 80 tracked suppliers, 12 tracked customers · supply-chain risk
Anthropic
AI safety lab building the Claude models; runs on TPUs, Trainium, and GPUs. major in AI Labs / Model Builders, headquartered in United States. 5 tracked suppliers, 2 tracked customers · supply-chain risk
Related deals
- Microsoft invests $1B in OpenAI — $1.0B · 2019-07-22
- Microsoft expands OpenAI investment (~$10B) — $10.0B · 2023-01-23
- Amazon invests $4B in Anthropic — $4.0B · 2023-09-25
- Amazon doubles Anthropic stake to $8B — $4.0B · 2024-11-22
- Google commits up to $2B to Anthropic — $2.0B · 2023-10-27
- Anthropic expands Google TPU deal (up to 1M TPUs) · 2025-10-23
- Microsoft–CoreWeave GPU cloud deal — $10.0B · 2023-06-01
- NVIDIA invests up to $10B in Anthropic — $10.0B · 2025-11-18
Sources
Frequently asked questions3
- How much was Microsoft invests up to $5B in Anthropic?
- Microsoft invests up to $5B in Anthropic was valued at $5.0B.
- When was Microsoft invests up to $5B in Anthropic announced?
- Microsoft invests up to $5B in Anthropic was announced on 2025-11-18 and is announced.
- Who were the parties in Microsoft invests up to $5B in Anthropic?
- Microsoft (investor), Anthropic (investee).
Cite as: wafergraph, “Microsoft invests up to $5B in Anthropic”, https://wafergraph.com/deal/msft_anthropic_5b/ (data as of 2026-10-09).
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