Reports: Amazon boosts expected Anthropic investment/compute to $25–$40B

Amazon said it will invest up to $25 billion more in Anthropic, and Anthropic said it will spend more than $100 billion on Amazon Web Services over the next decade. (aboutamazon.com) (cnbc.com) The companies announced the expanded agreement on April 20, 2026. Amazon said the new money comes on top of the $8 billion it had already invested in Anthropic in 2023 and 2024. (aboutamazon.com) (anthropic.com) Anthropic said the deal secures up to 5 gigawatts of current and future Amazon Trainium chip capacity to train and run Claude models. Amazon said significant Trainium2 capacity is due online in the second quarter, with scaled Trainium3 capacity expected later in 2026. (anthropic.com) (aboutamazon.com) Trainium is Amazon’s in-house artificial intelligence chip, built to do the heavy math behind training models and serving answers to users. Anthropic has been using Amazon as its primary cloud provider for mission-critical workloads since the companies’ first strategic tie-up in September 2023. (aboutamazon.com) (anthropic.com) The new agreement also widens where Claude runs. Anthropic said it will add inference capacity in Asia and Europe and use incremental capacity for Claude in Amazon Bedrock, Amazon’s managed platform for outside AI models. (anthropic.com) (aboutamazon.com) Amazon framed the arrangement as an infrastructure deal as much as an equity deal. CNBC reported Anthropic’s $100 billion-plus spending commitment mirrors the structure Amazon used in a separate OpenAI agreement announced earlier in 2026. (cnbc.com) (geekwire.com) Anthropic did not announce any Google investment in the April 20 release. The Information separately reported on April 24 that Google had agreed to invest up to $40 billion in Anthropic and struck its own 5-gigawatt compute deal, indicating Anthropic is pursuing multi-cloud capacity beyond Amazon. (theinformation.com)) The scale shows how frontier AI financing is shifting from one-time funding rounds toward long-term commitments for chips, data centers and cloud contracts. Amazon said in February it expected to spend about $200 billion on capital expenditures in 2026, mostly on AI infrastructure. (cnbc.com) For Amazon, the bet is that Anthropic keeps buying Trainium at volumes large enough to justify the capital build-out. For Anthropic, the bet is that locking in power and chips now is cheaper than competing for scarce capacity later. (aboutamazon.com) (anthropic.com)