Timeline

Launches Claude 4 with significant capability improvements across reasoning and coding.

Anthropic raises $3.5B in new funding, reaching $61.5B valuation. Total funding: $13.7B.

Publishes essay on AI's potential positive impacts on science, health, and society.

Releases Claude 3.5 Sonnet with improved performance at lower cost than Opus.

Launches Claude 3 family: Opus, Sonnet, Haiku. Achieves top benchmark scores.

Amazon announces up to $4B investment in Anthropic.

Releases Claude AI assistant to public via API and consumer product.

Publishes research on training AI systems using principles rather than human feedback.

Launches AI safety company with $124M initial funding. Based in San Francisco.

Departs along with several other researchers including sister Daniela Amodei.

Co-authors influential research on neural network scaling. Cited 3000+ times.

Becomes VP of Research. Works on GPT development and AI safety research.

Research scientist working on speech recognition and deep learning under Andrew Ng.