Releases
21 matching — model launches, API releases, product updates, financial events and news.
June 20261
Jun 1, 2026
Anthropic confidentially submits draft S-1AnnouncedIPO
Anthropic confidentially submitted a draft Form S-1 registration statement to the SEC for a proposed initial public offering; pricing and share count were not yet set.
May 20263
May 28, 2026Anthropic raises $65 billion Series H at $965 billion valuationFunding round
Anthropic raised $65 billion in Series H funding led by Altimeter, Dragoneer, Greenoaks, and Sequoia, at a $965 billion post-money valuation.
May 18, 2026Anthropic acquires StainlessAcquisition
Anthropic acquired Stainless, an SDK and MCP server tooling company that had powered generation of Anthropic's official SDKs.
May 2026Anthropic reports $47 billion run-rate revenue in May 2026Revenue disclosure
Anthropic disclosed that annualized run-rate revenue had crossed $47 billion earlier in May 2026.
April 20262
Apr 20, 2026Anthropic reports run-rate revenue above $30 billionRevenue disclosure
Anthropic disclosed that annualized run-rate revenue had surpassed $30 billion, up from about $9 billion at the end of 2025.
Apr 20, 2026Amazon invests an additional $5 billion in AnthropicFunding round
Amazon made an additional $5 billion investment in Anthropic and said it could invest up to a further $20 billion.
February 20262
Feb 12, 2026Anthropic reports $14 billion run-rate revenueRevenue disclosure
Anthropic disclosed annualized run-rate revenue of $14 billion and said it had grown more than tenfold annually for each of the prior three years.
Feb 12, 2026Anthropic raises $30 billion Series G at $380 billion valuationFunding round
Anthropic raised a $30 billion Series G led by GIC and Coatue, with a $380 billion post-money valuation.
September 20251
Sep 2, 2025Anthropic raises $13 billion Series F at $183 billion valuationFunding round
Anthropic completed a $13 billion Series F led by ICONIQ at a $183 billion post-money valuation.
August 20251
Aug 31, 2025Anthropic reports $5 billion annualized revenue run rateRevenue disclosure
Anthropic disclosed that annualized revenue had exceeded $5 billion by August 2025.
March 20251
Mar 3, 2025Anthropic raises $3.5 billion Series E at $61.5 billion valuationFunding round
Anthropic raised $3.5 billion led by Lightspeed Venture Partners at a $61.5 billion post-money valuation.
January 20251
Jan 22, 2025Google makes reported additional $1 billion investmentFunding round
Google reportedly made an additional $1 billion investment in Anthropic, deepening its existing investment and cloud relationship.
November 20241
Nov 22, 2024Amazon invests an additional $4 billion in AnthropicFunding round
Amazon made a new $4 billion investment in Anthropic, bringing its total investment to $8 billion and naming AWS the primary cloud and training partner.
March 20241
Mar 27, 2024Amazon invests additional $2.75 billion in AnthropicFunding round
Amazon invested an additional $2.75 billion, completing its initial $4 billion Anthropic investment commitment.
January 20241
Jan 2024Anthropic closes reported $750 million Series DFunding round
Anthropic reportedly closed a $750 million Series D led by Menlo Ventures at an approximately $18.4 billion post-money valuation.
October 20231
Oct 27, 2023Google commits up to $2 billion investment in AnthropicFunding round
Google agreed to invest up to $2 billion in Anthropic, including $500 million upfront and an additional $1.5 billion over time.
September 20231
Sep 25, 2023Amazon makes initial $1.25 billion Anthropic investmentFunding round
Amazon made an initial $1.25 billion investment in Anthropic under its broader commitment of up to $4 billion.
August 20231
Aug 15, 2023Anthropic and SK Telecom announce partnership and $100 million investmentFunding round
SK Telecom invested an additional $100 million in Anthropic and formed a partnership to build a multilingual model for telecommunications.
May 20231
May 23, 2023Anthropic raises $450 million Series CFunding round
Anthropic raised $450 million led by Spark Capital to scale reliable AI products and safety research.
April 20221
Apr 29, 2022Anthropic raises $580 million Series BFunding round
Anthropic raised $580 million to build steerable, interpretable, and robust AI systems and expand its research infrastructure.
May 20211
May 28, 2021Anthropic raises $124 million Series AFunding round
Anthropic raised $124 million to pursue computationally intensive research into reliable, interpretable, and steerable AI systems.
† Illustrative seed value, not verified or live market data.