Artificial intelligence company Anthropic announced on Tuesday that its valuation has surged to 183 billion dollars following a 13 billion dollar fundraise, more than doubling from its previous valuation earlier this year. The jump highlights continued investor confidence in AI startups, even amid concerns about broader technology spending.
In March, Anthropic was valued at 61.5 billion dollars after raising 3.5 billion dollars. The latest Series F round was led by ICONIQ and co-led by Fidelity Management and Research and Lightspeed Venture Partners. Other significant investors include the Qatar Investment Authority, Blackstone and Coatue.
“The investment will expand our capacity to meet growing enterprise demand, deepen our safety research, and support international expansion as we continue building reliable, interpretable, and steerable AI systems,” the company said in a blog post.
Backed by Alphabet and Amazon, Anthropic has made its mark by developing AI models with strong coding capabilities. Its run-rate revenue, which stood at around 1 billion dollars at the start of 2025, had risen to more than 5 billion dollars by August. In the same month, the startup released Opus 4.1, an enhanced version of its Claude large language model designed for agentic tasks, real-world coding and reasoning.
Investor interest comes at a time when US startup funding rose by 75.6 percent in the first half of 2025, largely fuelled by AI investments, making it one of the strongest periods on record, according to a recent report.
Anthropic has also been expanding into public sector partnerships. In August, the US government added Claude to its list of approved AI vendors, with the company offering its product for 1 dollar to government agencies. Meanwhile, Amazon is considering another multibillion-dollar investment to strengthen its strategic ties with the AI firm, according to reports.
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