Claude Opus 4.1(anthropic.com)
801 points by meetpateltech | 301 comments
Anthropic announcement page for Claude Opus 4.1, a new version of its Claude Opus large language model, dated August 5, 2025.
First screen, captured .
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Claude Sonnet 4.5(anthropic.com)
1503 points by adocomplete | 746 comments
Anthropic's announcement post introducing Claude Sonnet 4.5, its new AI model, dated September 29, 2025.
Anthropic raises $13B Series F(anthropic.com)
534 points by meetpateltech | 538 comments
Anthropic announcement that it raised $13B in a Series F round at a $183B post-money valuation, dated Sep 2, 2025.
Claude 4(anthropic.com)
1928 points by meetpateltech | 1109 comments
Anthropic's May 22, 2025 announcement post introducing the Claude 4 family of AI models.
Claude Integrations(anthropic.com)
678 points by bryanh | 240 comments
Anthropic announcement from May 1, 2025 that Claude can now connect to external apps and services through Integrations.
Related stories
100K Context Windows(anthropic.com)
853 points by samwillis | 364 comments
Anthropic announcement from May 11, 2023 introducing 100K token context windows for its Claude language model.
Claude Sonnet 5.5(anthropic.com)
11 points by alvis | 4 comments
Anthropic's announcement URL for Claude Sonnet 5.5, which loaded as a 404 page displaying an AI-generated poem.
Claude Sonnet 4.6(anthropic.com)
1268 points by adocomplete | 1129 comments
Anthropic's announcement page for the Claude Sonnet 4.6 model, with a linked system card and launch video.
Claude Sonnet 4.5(anthropic.com)
1503 points by adocomplete | 746 comments
Anthropic's announcement post introducing Claude Sonnet 4.5, its new AI model, dated September 29, 2025.
Claude now has access to a server-side container environment(anthropic.com)
628 points by meetpateltech | 326 comments
Anthropic product announcement that Claude can now create and edit files such as spreadsheets and documents using a server-side container environment.
Claude 3.7 Sonnet and Claude Code(anthropic.com)
1984 points by bakugo | 865 comments
Anthropic's announcement of the Claude 3.7 Sonnet model and Claude Code, an agentic command-line coding tool, dated Feb 24, 2025.