Anthropic raises $65B in Series H funding at $965B post-money valuation
Anthropic has closed a $65 billion Series H round led by Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital, valuing the company at $965 billion post-money. The company reports annualized run-rate revenue crossing $47 billion and highlights major compute expansion agreements with Amazon (up to 5 GW), Google/Broadcom (5 GW of TPU capacity), and SpaceX (Colossus GPU access). Strategic infrastructure partners Micron, Samsung, and SK hynix join the round alongside a broad syndicate of institutional investors. Funding is earmarked for safety and interpretability research, compute scaling, and product expansion including Claude Code and Cowork.
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Anthropic raises Series E at $61.5B post-money valuation
Anthropic has closed a $3.5 billion Series E round at a $61.5 billion post-money valuation, led by Lightspeed Venture Partners with participation from Bessemer, Cisco, Fidelity, General Catalyst, Salesforce Ventures, and others. Proceeds will fund next-generation AI system development, expanded compute capacity, mechanistic interpretability and alignment research, and international expansion. The raise follows the launch of Claude 3.7 Sonnet and Claude Code, with Anthropic citing strong enterprise adoption across customers including Cursor, Zoom, Snowflake, Pfizer, and Amazon's Alexa+.
Anthropic raises $13B Series F at $183B post-money valuation
Anthropic completed a $13 billion Series F round led by ICONIQ, Fidelity, and Lightspeed, valuing the company at $183 billion post-money. The company reports run-rate revenue grew from ~$1 billion at the start of 2025 to over $5 billion by August 2025, serving over 300,000 business customers. Claude Code, launched in May 2025, is already generating over $500 million in run-rate revenue with usage growing more than 10x in three months. Proceeds will fund enterprise capacity expansion, safety research, and international growth.
Anthropic raises $30 billion Series G at $380 billion valuation
Anthropic has closed a $30 billion Series G funding round led by GIC and Coatue, valuing the company at $380 billion post-money. The company reports $14 billion in annualized run-rate revenue growing over 10x annually for three consecutive years, with Claude Code alone generating over $2.5 billion in run-rate revenue and accounting for an estimated 4% of all GitHub public commits worldwide. Eight of the Fortune 10 are now Claude customers, and over 500 businesses spend more than $1 million annually. The round will fund frontier research, infrastructure expansion, and product development, and coincides with a confidential S-1 filing with the SEC.
Anthropic raises $965B Series H, releases Opus 4.8 and Dynamic Workflows/ultracode
Anthropic has reportedly raised a $965B Series H funding round, a figure that would represent an extraordinary capital event in AI. Simultaneously, the company released Claude Opus 4.8 and new features called Dynamic Workflows and ultracode. The item is a newsletter digest from Latent Space summarizing these developments.
Anthropic raises $450M Series C led by Spark Capital with Google and Salesforce participation
Anthropic announced a $450 million Series C funding round led by Spark Capital, with participation from Google, Salesforce Ventures, Sound Ventures, and Zoom Ventures. Proceeds will fund expansion of Claude-based products, enterprise API growth, and AI safety research including alignment techniques. The announcement also highlights a 100K context window feature for Claude and notes Yasmin Razavi of Spark Capital joining the board. This is a historically significant funding round for a frontier safety-focused AI lab, though it predates the much larger rounds that followed.
Anthropic Expands Partnership with Google and Broadcom for Multi-Gigawatt TPU Compute Capacity
Anthropic has signed a new agreement with Google and Broadcom for multiple gigawatts of next-generation TPU capacity expected to come online starting in 2027, representing the company's largest compute commitment to date. The announcement coincides with Anthropic reporting run-rate revenue surpassing $30 billion, up from ~$9 billion at end of 2025, and the number of enterprise customers spending over $1M annually doubling to 1,000+ in under two months. The compute will be predominantly US-sited, extending Anthropic's November 2025 $50B American infrastructure commitment. Anthropic continues to operate across AWS Trainium, Google TPUs, and NVIDIA GPUs, with Amazon remaining its primary cloud and training partner.
Anthropic raises $124M Series A to build reliable, steerable AI systems
Anthropic announced a $124 million Series A round in May 2021, led by Jaan Tallinn with participation from Dustin Moskovitz, Eric Schmidt, and others. The company, founded by Dario and Daniela Amodei, plans to use the funding for computationally-intensive research into large-scale AI systems that are steerable, interpretable, and robust. The round represents Anthropic's founding-era capital raise, establishing its research agenda around AI safety, interpretability, and human feedback integration.
Anthropic raises $580M Series B to advance AI safety and interpretability research (2022)
Anthropic raised $580 million in a Series B round in April 2022, led by Sam Bankman-Fried of FTX, to fund large-scale infrastructure for AI safety research. The company, then ~40 people, outlined work on interpretability, steerability, and robustness of large language models. The round is historically notable both for Anthropic's early safety-focused mission and for the involvement of Sam Bankman-Fried, who was later convicted of fraud in the FTX collapse.